Acton Bright Steel
The Metal Professionals

Steel Stockholders of Carbon, Alloy, Stainless and Tool Steel, Aluminium, Brass, Tube, Box Section and Sheet
tel: 01784 455273  fax: 01784 451748  email: sales@actonbrightsteel.co.uk


: 
       
  • 1: Home
  • 2: Technical Guide
    • 2.1: Bright Low Carbon Steels
      • 230M07
      • EN1A Freecutting
      • 230M07 PG
      • 230M07PG
      • 230M07Pb
      • 230M07 Pb Leaded Freecutting
      • 070M20
      • EN3B
      • 080A15
      • EN32B
      • 040A10
      • Half hard round edge
    • 2.2: Bright Medium Carbon Steels
      • 080A42
      • EN8D
      • 212A42
      • EN8DM
      • 070M55
      • EN9
      • 150M19
      • EN14A
      • 210M15
      • EN32M
      • BS 46 PART 1 1958
      • KEY STEEL - EN6 TYPE
    • 2.3: Direct Hardening Steels
      • 605M36T
      • EN16T
      • 606M36T
      • EN16MT
      • 709M40T
      • EN19T
      • 817M40T
      • EN24T
      • 817M40 ANNEALED
      • EN24 ANNEALED
      • 835M30
      • EN30B
      • 535A99
      • EN31
      • 722M24T
      • EN40BT
    • 2.4: Case Hardening Steels
      • 665M17
      • EN34
      • 655M13
      • EN36B
      • 835M15
      • EN39B
      • 905M39
      • EN41B
      • 635M15
      • EN351
      • 637M17
      • EN352
      • 815M17
      • EN353
    • 2.5: Stainless Steels
      • 303S31
      • European No. 1.4305
      • 304S11
      • European No. 1.4307
      • 316S11
      • European No. 1.4404
      • 416S21
      • European No. 1.4005
    • 2.6: Tool Steels
      • BO1
      • GRADE O1
      • BD2
      • GRADE D2
    • 2.7: Aluminium
      • 6082-T6
      • HE 30
      • 2011
      • FC 1
    • 2.8: Brass
      • CZ121 PB3
    • 2.9: Sheet
  • 3: Useful Info
    • 3.1: International Specification Comparison Chart
    • 3.2: BS 970 (1991) Tolerances
    • 3.3: ISO Tolerances
    • 3.4: Conversion of Standard Units
    • 3.5: Formulae
    • 3.6: Hardness comparison table
    • 3.7: Gauges for Tubes & Sheets (SWG)
  • 4: Stock Range
    • 4.1: Rounds - imp
    • 4.2: Rounds - mm
    • 4.3: Hexagons
    • 4.4: Flats
    • 4.5: Squares
    • 4.6: Angles
    • 4.7: Key Steel
    • 4.8: Tool Steel
    • 4.9: Stainless Steel
    • 4.10: Aluminium
    • 4.11: Brass
    • 4.12: Sheet
  • 5: FAQ
  • 6: Contact Us
    • 6.1: LOCATION
  • 7: Brochure Request
  • 9: Special Offers
  • 10: Downloads
    • 10.1: International Specification Comparison Chart (.pdf)
    • 10.2: Account application form (.pdf)
    • 10.3: Account application form (.xls)
    • 10.4: Terms and Conditions of Trading (.pdf)
    • 10.5: Quality Policy Document (.pdf)
    • 10.6: REACH letter (.pdf)
    • 10.7: RoHS 2 letter (.pdf)
    • 10.8: Conflict minerals (.pdf)
    • 10.9: Environmental policy (.pdf)
  • 2.1: Bright Low Carbon Steels
  • 2.2: Bright Medium Carbon Steels
  • 2.3: Direct Hardening Steels
  • 2.4: Case Hardening Steels
  • 2.5: Stainless Steels
  • 2.6: Tool Steels
  • 2.7: Aluminium
  • 2.8: Brass
  • 2.9: Sheet
  


BRIGHT LOW CARBON STEELS
BS970: 1955 BS970: 1991 COLOUR CODE DESCRIPTION 
EN1A Freecutting230M07greenBright drawn / turned / ground / Freecutting steelclick to view details


CHEMICAL ANALYSIS
Car0.15 max
Sil0.05 max
Mang0.90 / 1.30
Phos0.09 max
Sul0.25 / 0.35
Chr-
Moly-
Nick-
Lead-


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 230M07
BRITISH BS 970:1955 EN1A
GERMAN DIN 9SMn28
FRENCH AFNORS250
SWEDISH SS1912
AMERICAN SAE1214
EUROPEAN STEEL NO.1.0715
EUROPEAN STEEL NAME11SMn30
EUROPEAN STANDARDEN10277-3


QUICK VIEW SYSTEM
MACHINEABILITY200
WELDABILITYNot recommended
HARDENABILITYPoor
SELECTION GUIDE AND USAGE EXAMPLESHighly machineable with consistant properties giving good tool life and surface finish
SIZES.

Size (ins. dia) 5/323/161/45/163/87/161/29/165/811/163/47/815/161
1.1/161.1/81.1/41.5/161.3/81.1/21.5/81.3/41.7/822.1/82.1/42.3/82.1/2
2.5/82.3/42.7/833.1/83.1/43.1/23.5/83.3/444.1/44.1/24.5/84.3/4
55.1/45.1/25.3/466.1/46.1/26.3/477.1/288.1/29 



Size (mm. dia) 3.004.005.006.007.008.009.0010.0012.0014.0015.0016.0017.0018.00
19.0020.0022.0024.0025.0027.0028.0030.0032.0035.0038.0040.0042.0045.00
50.0054.0055.0060.0065.0070.0075.0080.0085.0090.0095.00100.00105.00110.00
120.00125.00150.00           


Size (ins. A/F) 1.0001.2501.4801.6701.8602.0502.2202.5802.7603.550    


Size (ins.) 3/4 x 1/21 x 1/41 x 3/81 x 1/21 x 5/81 x 3/4
1.1/4 x 1/41.1/4 x 3/81.1/4 x 1/21.1/4 x 5/81.1/4 x 3/41.1/4 x 1
1.1/2 x 1/41.1/2 x 3/81.1/2 x 1/21.1/2 x 5/81.1/2 x 3/41.1/2 x 1
1.1/2 x 1.1/42 x 1/42 x 3/82 x 1/22 x 5/82 x 3/4
2 x 12 x 1.1/42 x 1.1/22.1/2 x 12.1/2 x 1.1/42.1/2 x 1.1/2
3 x 1/43 x 1/23 x 3/43 x 13 x 1.1/43 x 1.1/2
3 x 23 x 2.1/24 x 1/44 x 14 x 1.1/24 x 2
4 x 2.1/24 x 36 x 1/26 x 16 x 1.1/26 x 2
6 x 36 x 4    


Size (ins. sq) 3/161/43/87/161/25/83/47/811.1/81.1/41.1/21.3/42
2.1/42.1/22.3/433.1/24567     


Size (mm sq) 68101214151618202225303540
455060658090        




230M07PG230M07 PGdashBright ground freecutting steelclick to view details


CHEMICAL ANALYSIS
Car0.15 max
Sil0.05 max
Mang0.90 / 1.30
Phos0.09 max
Sul0.25 / 0.35
Chr-
Moly-
Nick-
Lead-


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 230M07 PG
BRITISH BS 970:1955 EN1A Precision Ground
GERMAN DIN 9SMn28
FRENCH AFNORS250
SWEDISH SS1912
AMERICAN SAE1214
EUROPEAN STEEL NO.1.0715
EUROPEAN STEEL NAME11SMn30
EUROPEAN STANDARDEN10277-3


QUICK VIEW SYSTEM
MACHINEABILITY200
WELDABILITYNot recommended
HARDENABILITYPoor
SELECTION GUIDE AND USAGE EXAMPLESRepetiton parts and shafts where the diameter tolerance is critical
SIZES.

Size (ins. dia) 1/45/163/87/161/25/83/47/811.1/81.1/41.1/21.3/42



Size (mm. dia) 6.008.0010.0012.0015.0016.0020.0025.0030.0035.0040.0045.0050.00 




230M07 Pb Leaded Freecutting230M07PbmagentaBright drawn leaded freecutting steelclick to view details


CHEMICAL ANALYSIS
Car0.15 max
Sil0.05 max
Mang0.90 / 1.30
Phos0.09 max
Sul0.25 / 0.35
Chr-
Moly-
Nick-
Lead0.15 / 0.35


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 230M07Pb
BRITISH BS 970:1955 EN1A Leaded
GERMAN DIN 9SMn28Pb
FRENCH AFNORS250Pb
SWEDISH SS1914
AMERICAN SAE12L14
EUROPEAN STEEL NO.1.0718
EUROPEAN STEEL NAME11SMnPb30
EUROPEAN STANDARDEN10277-3


QUICK VIEW SYSTEM
MACHINEABILITY250
WELDABILITYNot recommended
HARDENABILITYPoor
SELECTION GUIDE AND USAGE EXAMPLESAs EN1A but where even better machining speeds, tool life and surface finish is required
SIZES.

Size (ins. dia) 1/83/167/321/49/325/1611/323/87/161/29/165/811/163/4
13/167/829/3215/1611.1/161.1/81.3/161.1/41.5/161.3/81.1/21.5/81.3/4
1.7/822.1/82.1/42.3/82.1/22.5/82.3/433.1/43.1/2   



Size (mm. dia) 3.004.005.006.007.007.238.009.009.2610.0012.0013.0014.0015.00
16.0017.0018.0019.0020.0022.0024.0025.0026.0027.0028.0030.0032.0035.00
36.0040.0042.0045.0050.0054.0055.0060.0065.0080.00    


Size (ins. A/F) 0.1870.2180.2480.2820.3240.3750.4370.4450.5000.5250.5620.6000.6250.687
0.7500.8120.8200.8750.9200.9371.0001.0101.0621.1001.2501.3001.5001.875
2.0502.2203.150           


Size (mm A/F) 457810121314161718192224
273032364146485055607080  


Size (mm sq) 1545            




EN3B070M20red/blackBright drawn / turned mild steelclick to view details


CHEMICAL ANALYSIS
Car0.16/0.24
Sil-
Mang0.50/0.90
Phos0.05 max
Sul0.05 max


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 070M20
BRITISH BS 970:1955 EN3B
GERMAN DIN CK20
FRENCH AFNORXC18
SWEDISH SS1370
AMERICAN SAE1021
EUROPEAN STEEL NO.1.1151
EUROPEAN STEEL NAMEC22E
EUROPEAN STANDARDEN10083-1


QUICK VIEW SYSTEM
MACHINEABILITY100
WELDABILITYGood
HARDENABILITYPoor
SELECTION GUIDE AND USAGE EXAMPLESGeneral purpose engineering
SIZES.

Size (ins. dia) 1/85/323/161/45/163/87/161/29/165/83/47/811.1/16
1.1/81.1/41.3/81.1/21.5/81.3/41.7/822.1/82.1/42.3/82.1/22.5/82.3/4
2.7/833.1/43.1/23.3/444.1/44.1/24.3/455.1/45.1/25.3/46
6.1/46.1/26.3/477.1/288.1/299.1/21010.1/21112 



Size (mm. dia) 3.004.005.006.008.0010.0012.0015.0016.0017.0018.0019.0020.0022.00
24.0025.0027.0030.0032.0035.0036.0038.0040.0045.0050.0054.0055.0060.00
65.0070.0075.0080.0085.0090.0095.00100.00110.00180.00240.00320.00330.00350.00
360.00380.00390.00           


Size (ins.) 1/4 x 3/161/2 x 1/81/2 x 1/41/2 x 3/85/8 x 1/85/8 x 1/4
3/4 x 1/83/4 x 3/163/4 x 1/43/4 x 3/83/4 x 1/27/8 x 1/8
7/8 x 1/41 x 1/81 x 3/161 x 1/41 x 3/81 x 1/2
1 x 5/81 x 3/41.1/4 x 1/81.1/4 x 3/161.1/4 x 1/41.1/4 x 3/4
1.1/4 x 11.1/2 x 1/81.1/2 x 3/161.1/2 x 1/41.1/2 x 5/161.1/2 x 3/8
1.1/2 x 1/21.1/2 x 5/81.1/2 x 3/41.1/2 x 11.1/2 x 1.1/42 x 1/8
2 x 3/162 x 1/42 x 3/82 x 1/22 x 5/82 x 3/4
2 x 12 x 1.1/42 x 1.1/22.1/2 x 1/82.1/2 x 3/162.1/2 x 1/4
2.1/2 x 5/162.1/2 x 3/82.1/2 x 1/22.1/2 x 5/82.1/2 x 3/42.1/2 x 1
2.1/2 x 1.1/22.1/2 x 23 x 1/83 x 3/163 x 1/43 x 5/16
3 x 3/83 x 1/23 x 5/83 x 3/43 x 13 x 1.1/2
3 x 23 x 2.1/23.1/2 x 3/43.1/2 x 1.1/24 x 1/84 x 3/16
4 x 1/44 x 3/84 x 1/24 x 5/84 x 3/44 x 1
4 x 1.1/24 x 24 x 2.1/24 x 34.1/2 x 1/25 x 1/4
5 x 5/165 x 3/85 x 1/25 x 5/85 x 3/45 x 1
5 x 1.1/25 x 25 x 36 x 1/86 x 3/166 x 1/4
6 x 3/86 x 1/26 x 5/86 x 3/46 x 16 x 1.1/2
6 x 26 x 36 x 47 x 1/47 x 1/27 x 1
8 x 1/48 x 3/88 x 1/28 x 5/88 x 3/48 x 1
8 x 1.1/28 x 29 x 1/29 x 3/49 x 110 x 1/4
10 x 3/810 x 1/210 x 1/210 x 5/810 x 3/410 x 1
10 x 1.1/210 x 212 x 1/412 x 3/812 x 1/212 x 5/8
12 x 3/412 x 114 x 1/2   


Size (mm) 6 x 310 x 310 x 510 x 612 x 312 x 512 x 612 x 812 x 10
15 x 315 x 515 x 616 x 316 x 516 x 616 x 816 x 1016 x 12
20 x 320 x 420 x 520 x 620 x 820 x 1020 x 1220 x 1625 x 3
25 x 425 x 525 x 625 x 825 x 1025 x 1225 x 1625 x 2030 x 3
30 x 530 x 630 x 830 x 1030 x 1230 x 1630 x 2030 x 2532 x 10
32 x 1232 x 1632 x 2032 x 2535 x 1035 x 1235 x 1635 x 2035 x 25
35 x 3040 x 1.2540 x 340 x 540 x 640 x 840 x 1040 x 1240 x 16
40 x 2040 x 2540 x 3045 x 645 x 845 x 1045 x 1245 x 1645 x 20
45 x 2545 x 3045 x 4050 x 350 x 550 x 650 x 850 x 1050 x 12
50 x 1650 x 2050 x 2550 x 3050 x 4060 x 660 x 860 x 1060 x 12
60 x 1660 x 2060 x 2560 x 3060 x 4065 x 665 x 1065 x 1265 x 16
65 x 2065 x 2570 x 670 x 870 x 1070 x 1270 x 1670 x 2070 x 25
70 x 3070 x 4070 x 5075 x 1.575 x 675 x 875 x 1075 x 1275 x 16
75 x 2075 x 2580 x 680 x 880 x 1080 x 1280 x 1680 x 2080 x 25
80 x 3080 x 4080 x 5080 x 6090 x 690 x 1090 x 1290 x 1690 x 20
90 x 2590 x 3090 x 4090 x 50100 x 6100 x 8100 x 10100 x 12100 x 16
100 x 20100 x 25100 x 30100 x 40100 x 50110 x 10110 x 20125 x 6125 x 10
125 x 12125 x 16125 x 20125 x 25125 x 30125 x 40125 x 50150 x 10150 x 12
150 x 16150 x 20150 x 25160 x 6160 x 8160 x 10160 x 12160 x 16160 x 20
160 x 25160 x 30160 x 50200 x 10200 x 12200 x 20200 x 25  


Size (ins. sq) 3/161/43/81/25/83/47/811.1/41.1/21.3/422.1/42.1/2
33.1/244.1/256        


Size (mm sq) 68101216182025303235404550
60708090100         




EN32B080A15redBright drawn / turned mild steelclick to view details


CHEMICAL ANALYSIS
Car0.13 / 0.18
Sil0.10 / 0.40
Mang0.70 / 0.90
Phos0.05 max
Sul0.05 max


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 080A15
BRITISH BS 970:1955 EN32B
GERMAN DIN CK15
FRENCH AFNOR 
SWEDISH SS1370
AMERICAN SAE1016
EUROPEAN STEEL NO.1.0407
EUROPEAN STEEL NAMEC16
EUROPEAN STANDARDEN10277-2


QUICK VIEW SYSTEM
MACHINEABILITY100
WELDABILITYGood
HARDENABILITYPoor
SELECTION GUIDE AND USAGE EXAMPLESGeneral purpose engineering suitable for case hardening and welding
SIZES.

Size (ins. dia) 1/85/323/161/45/163/87/161/29/165/83/47/811.1/16
1.1/81.1/41.3/81.1/21.5/81.3/41.7/822.1/82.1/42.3/82.1/22.5/82.3/4
2.7/833.1/43.1/23.3/444.1/44.1/24.3/455.1/45.1/25.3/46
6.1/46.1/26.3/477.1/288.1/299.1/21010.1/21112 



Size (mm. dia) 3.004.005.006.008.0010.0012.0015.0016.0017.0018.0019.0020.0022.00
24.0025.0027.0030.0032.0035.0036.0038.0040.0045.0050.0054.0055.0060.00
65.0070.0075.0080.0085.0090.0095.00100.00110.00180.00240.00320.00330.00350.00
360.00380.00390.00           


Size (ins.) 1/4 x 3/161/2 x 1/81/2 x 1/41/2 x 3/85/8 x 1/85/8 x 1/4
3/4 x 1/83/4 x 3/163/4 x 1/43/4 x 3/83/4 x 1/27/8 x 1/8
7/8 x 1/41 x 1/81 x 3/161 x 1/41 x 3/81 x 1/2
1 x 5/81 x 3/41.1/4 x 1/81.1/4 x 3/161.1/4 x 1/41.1/4 x 3/4
1.1/4 x 11.1/2 x 1/81.1/2 x 3/161.1/2 x 1/41.1/2 x 5/161.1/2 x 3/8
1.1/2 x 1/21.1/2 x 5/81.1/2 x 3/41.1/2 x 11.1/2 x 1.1/42 x 1/8
2 x 3/162 x 1/42 x 3/82 x 1/22 x 5/82 x 3/4
2 x 12 x 1.1/42 x 1.1/22.1/2 x 1/82.1/2 x 3/162.1/2 x 1/4
2.1/2 x 5/162.1/2 x 3/82.1/2 x 1/22.1/2 x 5/82.1/2 x 3/42.1/2 x 1
2.1/2 x 1.1/22.1/2 x 23 x 1/83 x 3/163 x 1/43 x 5/16
3 x 3/83 x 1/23 x 5/83 x 3/43 x 13 x 1.1/2
3 x 23 x 2.1/23.1/2 x 3/43.1/2 x 1.1/24 x 1/84 x 3/16
4 x 1/44 x 3/84 x 1/24 x 5/84 x 3/44 x 1
4 x 1.1/24 x 24 x 2.1/24 x 34.1/2 x 1/25 x 1/4
5 x 5/165 x 3/85 x 1/25 x 5/85 x 3/45 x 1
5 x 1.1/25 x 25 x 36 x 1/86 x 3/166 x 1/4
6 x 3/86 x 1/26 x 5/86 x 3/46 x 16 x 1.1/2
6 x 26 x 36 x 47 x 1/47 x 1/27 x 1
8 x 1/48 x 3/88 x 1/28 x 5/88 x 3/48 x 1
8 x 1.1/28 x 29 x 1/29 x 3/49 x 110 x 1/4
10 x 3/810 x 1/210 x 1/210 x 5/810 x 3/410 x 1
10 x 1.1/210 x 212 x 1/412 x 3/812 x 1/212 x 5/8
12 x 3/412 x 114 x 1/2   


Size (mm) 6 x 310 x 310 x 510 x 612 x 312 x 512 x 612 x 812 x 10
15 x 315 x 515 x 616 x 316 x 516 x 616 x 816 x 1016 x 12
20 x 320 x 420 x 520 x 620 x 820 x 1020 x 1220 x 1625 x 3
25 x 425 x 525 x 625 x 825 x 1025 x 1225 x 1625 x 2030 x 3
30 x 530 x 630 x 830 x 1030 x 1230 x 1630 x 2030 x 2532 x 10
32 x 1232 x 1632 x 2032 x 2535 x 1035 x 1235 x 1635 x 2035 x 25
35 x 3040 x 1.2540 x 340 x 540 x 640 x 840 x 1040 x 1240 x 16
40 x 2040 x 2540 x 3045 x 645 x 845 x 1045 x 1245 x 1645 x 20
45 x 2545 x 3045 x 4050 x 350 x 550 x 650 x 850 x 1050 x 12
50 x 1650 x 2050 x 2550 x 3050 x 4060 x 660 x 860 x 1060 x 12
60 x 1660 x 2060 x 2560 x 3060 x 4065 x 665 x 1065 x 1265 x 16
65 x 2065 x 2570 x 670 x 870 x 1070 x 1270 x 1670 x 2070 x 25
70 x 3070 x 4070 x 5075 x 1.575 x 675 x 875 x 1075 x 1275 x 16
75 x 2075 x 2580 x 680 x 880 x 1080 x 1280 x 1680 x 2080 x 25
80 x 3080 x 4080 x 5080 x 6090 x 690 x 1090 x 1290 x 1690 x 20
90 x 2590 x 3090 x 4090 x 50100 x 6100 x 8100 x 10100 x 12100 x 16
100 x 20100 x 25100 x 30100 x 40100 x 50110 x 10110 x 20125 x 6125 x 10
125 x 12125 x 16125 x 20125 x 25125 x 30125 x 40125 x 50150 x 10150 x 12
150 x 16150 x 20150 x 25160 x 6160 x 8160 x 10160 x 12160 x 16160 x 20
160 x 25160 x 30160 x 50200 x 10200 x 12200 x 20200 x 25  


Size (ins. sq) 3/161/43/81/25/83/47/811.1/41.1/21.3/422.1/42.1/2
33.1/244.1/256        


Size (mm sq) 68101216182025303235404550
60708090100         


Size (mm) 16 x 16 x 320 x 20 x 325 x 25 x 325 x 25 x 530 x 30 x 332 x 32 x 432 x 32 x 5
32 x 32 x 640 x 40 x 340 x 40 x 440 x 40 x 540 x 40 x 650 x 50 x 6 




Half hard round edge040A10whiteBright cold rolled mild steelclick to view details


CHEMICAL ANALYSIS
Car0.08 / 0.13
Mang0.30 / 0.50


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 040A10
BRITISH BS 970:1955 Half hard round edge
GERMAN DIN CK10
FRENCH AFNOR 
SWEDISH SS1311
AMERICAN SAE1015
EUROPEAN STEEL NO.1.0301
EUROPEAN STEEL NAMEC10
EUROPEAN STANDARDEN10277-2


QUICK VIEW SYSTEM
MACHINEABILITY100
WELDABILITYGood
HARDENABILITYPoor
SELECTION GUIDE AND USAGE EXAMPLESCold formed components where surface finish, corners and bendability are important
SIZES.

Size (ins.) 3/8 x 1/81/2 x 3/321/2 x 1/85/8 x 1/83/4 x 1/83/4 x 3/16
1 x 1/81 x 3/161 x 1/4   





BRIGHT MEDIUM CARBON STEELS
BS970: 1955 BS970: 1991 COLOUR CODE DESCRIPTION 
KEY STEEL - EN6 TYPEBS 46 PART 1 1958red/yellowBright drawn. Imperial plus tols, metric minus tolsclick to view details


CHEMICAL ANALYSIS
CarUPON REQUEST
SilUPON REQUEST
MangUPON REQUEST
PhosUPON REQUEST
SulUPON REQUEST
ChrUPON REQUEST
MolyUPON REQUEST
NickUPON REQUEST
LeadUPON REQUEST


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 BS 46 PART 1 1958
BRITISH BS 970:1955 KEYSTEEL
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME 
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY95
WELDABILITYnot applicable
HARDENABILITYnot applicable
SELECTION GUIDE AND USAGE EXAMPLESKeys for keyways
SIZES.

Size (ins. sq) 3/161/45/163/87/161/25/83/47/81    


Size (mm sq) 45681012162025     


Size (ins.) 1/2 x 5/163/4 x 1/2    


Size (mm) 8 x 710 x 812 x 814 x 916 x 1018 x 1120 x 12       




EN8D080A42yellowBright / black "40" carbon steelclick to view details


CHEMICAL ANALYSIS
Car0.40 / 0.45
Sil0.10 / 0.40
Mang0.70 / 0.90
Phos0.05 max
Sul0.05 max
Chr-
Moly-
Nick-
Lead-


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 080A42
BRITISH BS 970:1955 EN8D
GERMAN DIN CK40
FRENCH AFNORXC42
SWEDISH SS1650
AMERICAN SAE1040
EUROPEAN STEEL NO.1.1186
EUROPEAN STEEL NAMEC40E
EUROPEAN STANDARDEN10277-2


QUICK VIEW SYSTEM
MACHINEABILITY80
WELDABILITYPrecaution may be required
HARDENABILITYSmall sizes suitable for induction hardening
SELECTION GUIDE AND USAGE EXAMPLESMedium tensile strength. Axles, shafts, spindles and studs
SIZES.

Size (ins. dia) 1/411.1/41.1/21.3/4222.1/42.3/82.1/233.1/43.1/23.3/4
44.1/44.1/24.3/455.1/26       



Size (mm. dia) 30.0045.0050.0055.0060.0075.0080.0090.00100.00115.00120.00130.00140.00150.00
155.00160.00170.00190.00200.00220.00230.00240.00250.00255.00260.00270.00280.00300.00
320.00330.00            


Size (ins. sq) 3/161.1/41.1/22.1/23         




EN8DM212A42yellow/greenBright drawn semi freecutting carbon steelclick to view details


CHEMICAL ANALYSIS
Car0.40 / 0.45
Sil0.25 max
Mang1.00 / 1.30
Phos0.06 max
Sul0.12 / 0.20


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 212A42
BRITISH BS 970:1955 EN8DM
GERMAN DIN 45S20
FRENCH AFNOR35MF6
SWEDISH SS1957
AMERICAN SAE1141
EUROPEAN STEEL NO.1.0764
EUROPEAN STEEL NAME36SMn14
EUROPEAN STANDARDEN10277-3


QUICK VIEW SYSTEM
MACHINEABILITY100
WELDABILITYNot recommended
HARDENABILITYSmall sizes suitable for induction hardening
SELECTION GUIDE AND USAGE EXAMPLESAs EN8D, but more suitable for repetition machining
SIZES.

Size (ins. dia) 1/45/163/87/161/29/165/83/47/811.1/81.1/41.3/81.1/2
1.5/81.3/422.1/82.1/42.3/82.1/22.5/82.3/433.1/4   



Size (mm. dia) 10.0012.0015.0016.0019.0020.0025.0028.0030.0035.0040.0042.0045.0050.00
54.0055.0060.0065.0070.0075.0080.00       


Size (ins. A/F) 0.7500.8751.1251.500          


Size (mm A/F) 101719           




EN9070M55yellow/whiteBright / black "55" carbon steelclick to view details


CHEMICAL ANALYSIS
Car0.50 / 0.60
Sil0.10 / 0.40
Mang0.50 / 0.90
Phos0.05 max
Sul0.05 max


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 070M55
BRITISH BS 970:1955 EN9
GERMAN DIN CF53
FRENCH AFNORCX55
SWEDISH SS1674
AMERICAN SAE1055
EUROPEAN STEEL NO.1.1203
EUROPEAN STEEL NAMEC55E
EUROPEAN STANDARDEN10083-1


QUICK VIEW SYSTEM
MACHINEABILITY55
WELDABILITYSeek advice
HARDENABILITYSmall sizes suitable for induction hardening
SELECTION GUIDE AND USAGE EXAMPLESHigher medium tensile strength with good wear resisting properties. cams, gears and sprockets
SIZES.

Size (ins. dia) 5/83/4            





EN14A150M19blue/red/greenBlack carbon manganese steelclick to view details


CHEMICAL ANALYSIS
Car0.15 / 0.23
Sil0.10 / 0.40
Mang1.30 / 1.70
Phos0.05 max
Sul0.05 max


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 150M19
BRITISH BS 970:1955 EN14A
GERMAN DIN ST52-3
FRENCH AFNOR20M5
SWEDISH SS2172
AMERICAN SAE1524
EUROPEAN STEEL NO.1.1170
EUROPEAN STEEL NAME28Mn6
EUROPEAN STANDARDEN10083-1


QUICK VIEW SYSTEM
MACHINEABILITY70
WELDABILITYPre-heat for arc welding
HARDENABILITYPoor
SELECTION GUIDE AND USAGE EXAMPLESBolts, fulcrum shafts
SIZES.

Size (mm. dia) 110.00130.00            




EN32M210M15red/greenBright drawn semi freecutting case hardening steelclick to view details


CHEMICAL ANALYSIS
Car0.12 / 0.18
Sil0.10 / 0.40
Mang0.90 / 1.30
Phos0.05 max
Sul0.10 / 0.10


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 210M15
BRITISH BS 970:1955 EN32M
GERMAN DIN 15S20
FRENCH AFNOR35MF4
SWEDISH SS1922
AMERICAN SAE1117
EUROPEAN STEEL NO.1.0725
EUROPEAN STEEL NAME15SMn13
EUROPEAN STANDARDEN10277-3


QUICK VIEW SYSTEM
MACHINEABILITY130
WELDABILITYNot recommended
HARDENABILITYLow strength case hardening
SELECTION GUIDE AND USAGE EXAMPLESLight gears, spindles and worms
SIZES.

Size (ins. dia) 3/87/161/29/165/83/47/811.1/81.1/41.3/81.1/21.5/81.3/4
1.7/83            



Size (mm. dia) 10.0012.0016.0019.0020.0025.0030.0035.0040.0050.0054.0060.00  





DIRECT HARDENING STEELS
BS970: 1955 BS970: 1991 COLOUR CODE DESCRIPTION 
EN16T605M36Tblue/redBright / black manganese molybdenum steelclick to view details


CHEMICAL ANALYSIS
Car0.32 / 0.40
Sil0.10 / 0.40
Mang1.30 / 1.70
Phos0.035 max
Sul0.040 max
Moly0.22 / 0.30


MECHANICAL PROPERTIES
Tensile Strength N/MM2 Min Rm 850 / 1000
Yield Stress N/MM2 Min Rm 700
Elongation A Min % on 5.65√SO 9
Izod Min54
Kcv Min-
Proof Stress 0.2% N/MM2 Min680
Brinell Hardness248 / 302


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 605M36T
BRITISH BS 970:1955 EN16T
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME 
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY45
WELDABILITYPre / post heat precaution required
HARDENABILITYHigh strength up to 39mm dia
SELECTION GUIDE AND USAGE EXAMPLESGood mechanical properties, ductility and shock resistance. crankshafts, conrods and shafts
SIZES.

Size (ins. dia) 3/81/20.5563/411.7/822.1/42.3/82.1/22.3/43  



Size (mm. dia) 19.0085.0090.00100.00115.00160.00165.00       


Size (ins. A/F) 0.750             


Size (mm A/F) 50             




EN16MT606M36Tblue/greenBright drawn semi freecutting manganese molybdenum steelclick to view details


CHEMICAL ANALYSIS
Car0.32 / 0.40
Sil0.10 / 0.40
Mang1.30 / 1.70
Phos0.035 max
Sul0.15 / 0.25
Moly0.22 / 0.30


MECHANICAL PROPERTIES
Tensile Strength N/MM2 Min Rm 850 / 1000
Yield Stress N/MM2 Min Rm 700
Elongation A Min % on 5.65√SO 8
Izod Min40
Kcv Min-
Proof Stress 0.2% N/MM2 Min680
Brinell Hardness248 / 302


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 606M36T
BRITISH BS 970:1955 EN16MT
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME 
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY90
WELDABILITYNot recommended
HARDENABILITYHigh strength up to 30mm dia
SELECTION GUIDE AND USAGE EXAMPLESAs EN16T, but more suitable for repetition machining
SIZES.

Size (ins. dia) 1/25/83/47/811.1/81.1/41.3/81.1/21.3/41.7/822.1/2 



Size (mm. dia) 10.0012.0016.0019.0020.0025.0030.0040.0045.0050.00    




EN19T709M40Tblue/yellowBright / black 1% chromium molybdenum steelclick to view details


CHEMICAL ANALYSIS
Car0.36 / 0.44
Sil0.10 / 0.40
Mang0.70 /1.00
Phos0.035 max
Sul0.040 max
Chr0.90 / 1.20
Moly0.25 / 0.35


MECHANICAL PROPERTIES
Tensile Strength N/MM2 Min Rm 850 / 1000
Yield Stress N/MM2 Min Rm 700
Elongation A Min % on 5.65√SO 9
Izod Min54
Kcv Min-
Proof Stress 0.2% N/MM2 Min680
Brinell Hardness248 / 302


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 709M40T
BRITISH BS 970:1955 EN19T
GERMAN DIN 42CrMo4
FRENCH AFNOR42CD4
SWEDISH SS2244
AMERICAN SAE4140
EUROPEAN STEEL NO.1.7225
EUROPEAN STEEL NAME42CrMo4
EUROPEAN STANDARDEN10277-5


QUICK VIEW SYSTEM
MACHINEABILITY40
WELDABILITYPre / post head precaution required
HARDENABILITYHigh strength up to 60mm dia
SELECTION GUIDE AND USAGE EXAMPLESGood tensile, ductility and shock resistance. Can be induction hardened to give resistance to wear
SIZES.

Size (ins. dia) 1/25/83/47/811.1/81.1/41.3/81.1/21.5/81.3/422.1/42.1/2
3             



Size (mm. dia) 10.0045.0050.0060.00          




EN24T817M40TblueBright / black 1.1/2% nickel chromium molybdenum steelclick to view details


CHEMICAL ANALYSIS
Car0.36 / .044
Sil0.10 / 0.40
Mang0.45 / 0.70
Phos0.035 max
Sul0.040 max
Chr1.00 / 1.40
Moly0.20 / 0.35
Nick1.30 / 1.70


MECHANICAL PROPERTIES
Tensile Strength N/MM2 Min Rm 850 / 1000
Yield Stress N/MM2 Min Rm 700
Elongation A Min % on 5.65√SO 9
Izod Min54
Kcv Min-
Proof Stress 0.2% N/MM2 Min680
Brinell Hardness248 / 302


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 817M40T
BRITISH BS 970:1955 EN24T
GERMAN DIN 34NiCrMo6
FRENCH AFNOR35NCD6
SWEDISH SS2541
AMERICAN SAE4340
EUROPEAN STEEL NO.1.6582
EUROPEAN STEEL NAME34CrNiMo6
EUROPEAN STANDARDEN10277-5


QUICK VIEW SYSTEM
MACHINEABILITY40
WELDABILITYPre / post heat precaution required
HARDENABILITYHigh strength up to 100mm dia
SELECTION GUIDE AND USAGE EXAMPLESPopular direct hardening steel with good tensile, ductility, shock and wear resistance properties
SIZES.

Size (ins. dia) 3/81/25/83/47/811.1/81.1/41.3/81.1/21.5/81.3/41.7/82
2.1/42.1/22.3/43          



Size (mm. dia) 16.0020.0025.0030.0040.0050.0060.0065.0080.0090.0095.00100.00105.00110.00
120.00130.00140.00150.00160.00170.00180.00190.00200.00205.00220.00240.00250.00260.00
305.00             




EN24 ANNEALED817M40 ANNEALEDblue/brownBright drawn 1.1/2% nickel chromium molybdenum steelclick to view details


CHEMICAL ANALYSIS
Car0.36 / .044
Sil0.10 / 0.40
Mang0.45 / 0.70
Phos0.035 max
Sul0.040 max
Chr1.00 / 1.40
Moly0.20 / 0.35
Nick1.30 / 1.70


MECHANICAL PROPERTIES
Tensile Strength N/MM2 Min Rm  
Yield Stress N/MM2 Min Rm  
Elongation A Min % on 5.65√SO  
Izod Min 
Kcv Min 
Proof Stress 0.2% N/MM2 Min 
Brinell Hardness277 max


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 817M40 ANNEALED
BRITISH BS 970:1955 EN24 ANNEALED
GERMAN DIN 34NiCrMo6
FRENCH AFNOR35NCD6
SWEDISH SS2541
AMERICAN SAE4340
EUROPEAN STEEL NO.1.6582
EUROPEAN STEEL NAME34CrNiMo6
EUROPEAN STANDARDEN10277-5


QUICK VIEW SYSTEM
MACHINEABILITY50
WELDABILITYPre / post heat precaution required
HARDENABILITYHigh strength up to 100mm dia
SELECTION GUIDE AND USAGE EXAMPLESMax h/b 277 enabling good machineability prior to direct hardening
SIZES.

Size (mm. dia) 10.0013.0016.0020.0025.0030.0035.0040.0045.0050.0060.0075.00  


Size (ins.) 0.984 x 0.3942.1/2 x 23 x 1.1/43 x 1.1/2  


Size (mm) 25 x 10        




EN30B835M30blue/purpleBlack 4.1/4% nickel chromium (with/without) molybenum steelclick to view details


CHEMICAL ANALYSIS
Car0.26 / 0.34
Sil0.10 / 0.35
Mang0.45 / 0.70
Phos0.025 max
Sul0.025 max
Chr1.10 / 1.40
Moly0.20 / 0.35
Nick3.90 / 4.30


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 835M30
BRITISH BS 970:1955 EN30B
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO.1.6773
EUROPEAN STEEL NAME36CrNiMo16
EUROPEAN STANDARDEN10083-1


QUICK VIEW SYSTEM
MACHINEABILITY40
WELDABILITYSeek advice
HARDENABILITYAir hardening up to 60mm dia
SELECTION GUIDE AND USAGE EXAMPLESChisels and hammers
SIZES.



EN31535A99blue/whiteBright 1% carbon chromium steelclick to view details


CHEMICAL ANALYSIS
Car0.95 / 1.10
Sil0.10 / 0.35
Mang0.40 / 0.70
Phos0.040 max
Sul0.050 max
Chr1.20 / 1.60


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 535A99
BRITISH BS 970:1955 EN31
GERMAN DIN 100CR6
FRENCH AFNOR100C6
SWEDISH SS2258
AMERICAN SAE52100
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME 
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY40
WELDABILITYSeek advice
HARDENABILITY
SELECTION GUIDE AND USAGE EXAMPLESMachined components subject to abrasive wear & high surface loading. Ball and roller bearings
SIZES.

Size (ins. dia) 1/41            





EN40BT722M24Tblue/blackBlack 3% chromium molybdenum nitriding steelclick to view details


CHEMICAL ANALYSIS
Car0.20 / 0.28
Sil0.10 / 0.40
Mang0.45 / 0.70
Phos0.035 max
Sul0.040 max
Chr3.00 / 3.50
Moly0.46 / 0.65


MECHANICAL PROPERTIES
Tensile Strength N/MM2 Min Rm 850 / 1000
Yield Stress N/MM2 Min Rm 700
Elongation A Min % on 5.65√SO 9
Izod Min54
Kcv Min-
Proof Stress 0.2% N/MM2 Min680
Brinell Hardness248 / 302


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 722M24T
BRITISH BS 970:1955 EN40BT
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME 
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY35
WELDABILITYNot recommended
HARDENABILITYMedium strength nitriding
SELECTION GUIDE AND USAGE EXAMPLESAfter hardening produces very hard resistant case & core strength 55/65 t/sq". Shackle pins & ball joints
SIZES.

Size (mm. dia) 25.0032.0040.0051.0065.0080.0090.00105.00190.00     





CASE HARDENING STEELS
BS970: 1955 BS970: 1991 COLOUR CODE DESCRIPTION 
EN34665M17orange/redBlack 2% low carbon nickel molybdenum case hardening steelclick to view details


CHEMICAL ANALYSIS
Car0.14 / 0.20
Sil0.10 / 0.40
Mang0.35 / 0.75
Moly0.20 / 0.30
Nick1.50 / 2.00


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 665M17
BRITISH BS 970:1955 EN34
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE4615
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME 
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY75
WELDABILITYSatisfactory
HARDENABILITYMedium strength case hardening
SELECTION GUIDE AND USAGE EXAMPLESAfter hardening produces good case & core strength around 45 t/sq". Transmission parts
SIZES.



EN36B655M13orangeBright / black 3% nickel chromium case hardening steelclick to view details


CHEMICAL ANALYSIS
Car0.10 / 0.16
Sil0.10 / 0.40
Mang0.35 / 0.60
Chr0.70 / 1.00
Nick3.00 / 3.75


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 655M13
BRITISH BS 970:1955 EN36B
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE3415
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME15NiCr13
EUROPEAN STANDARDEN10277-4


QUICK VIEW SYSTEM
MACHINEABILITY65
WELDABILITYSatisfactory
HARDENABILITYHigh strength case hardening
SELECTION GUIDE AND USAGE EXAMPLESNickel & chrome permits deep hardening & a very tough core after hardening. Heavy duty gears & camshafts
SIZES.

Size (ins. dia) 1/25/83/47/811.1/81.1/41.3/81.1/21.5/81.3/422.1/42.1/2
2.3/43            



Size (mm. dia) 90.00100.00110.00120.00125.00130.00140.00150.00160.00170.00180.00190.00200.00220.00
240.00260.00            




EN39B835M15orange/light blueBright / black 4.1/4% nickel chromium case hardening steelclick to view details


CHEMICAL ANALYSIS
Car0.12 / 0.18
Sil0.10 / 0.40
Mang0.25 / 0.50
Chr1.00 / 1.40
Moly0.15 / 0.35
Nick3.90 / 4.30


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 835M15
BRITISH BS 970:1955 EN39B
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME 
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY60
WELDABILITYPre / post heat precaution required
HARDENABILITYHigh strength case hardening
SELECTION GUIDE AND USAGE EXAMPLESAs EN36B but tougher
SIZES.



EN41B905M39orange/blackBlack 1.1/2% chromium aluminium molybdenum nitriding steelclick to view details


CHEMICAL ANALYSIS
Car0.35 / 0.43
Mang0.40 / 0.65
Phos0.025 max
Sul0.025 max
Chr1.40 / 1.80
Moly0.15 / 0.25


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 905M39
BRITISH BS 970:1955 EN41B
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME 
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY45
WELDABILITYNot recommended
HARDENABILITYMedium strength nitriding
SELECTION GUIDE AND USAGE EXAMPLESRollers, ball joints and shackle pins
SIZES.



EN351635M15orange/whiteBright / black 3/4% nickel chromium case hardening steelclick to view details


CHEMICAL ANALYSIS
Car0.12 / 0.18
Sil0.10 / 0.40
Mang0.60 / 0.90
Chr0.40 / 0.80
Nick0.70 / 1.10


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 635M15
BRITISH BS 970:1955 EN351
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME16NiCrS4
EUROPEAN STANDARDEN10277-4


QUICK VIEW SYSTEM
MACHINEABILITY80
WELDABILITYPre / post heat precaution required
HARDENABILITYLow alloy case hardening
SELECTION GUIDE AND USAGE EXAMPLESAfter hardening produces a hard wear resistant core & case strength around 50 t/sq". Levers & shafts.
SIZES.

Size (mm. dia) 26.00             




EN352637M17orange/yellowBright / black 1% nickel chromium case hardening steelclick to view details


CHEMICAL ANALYSIS
Car0.14 / 0.20
Sil0.10 / 0.40
Mang0.60 / 0.90
Chr0.60 / 1.00
Nick0.85 / 1.25


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 637M17
BRITISH BS 970:1955 EN352
GERMAN DIN  
FRENCH AFNOR20NC6
SWEDISH SS2512
AMERICAN SAE3120
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME 
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY75
WELDABILITYPre / post heat precaution required
HARDENABILITYLow alloy case hardening
SELECTION GUIDE AND USAGE EXAMPLESAs EN351 but higher strength. pinions, layshafts, and camshafts
SIZES.

Size (ins. dia) 1.329             





EN353815M17orange/greenBright / black 1.1/4% nickel chromium case hardening steelclick to view details


CHEMICAL ANALYSIS
Car0.14 / 0.20
Sil0.10 / 0.40
Mang0.60 / 0.90
Chr0.80 / 1.20
Moly0.10 / 0.20
Nick1.20 /1.70


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 815M17
BRITISH BS 970:1955 EN353
GERMAN DIN 20NiCrMo5
FRENCH AFNOR20NCD5
SWEDISH SS2523
AMERICAN SAE 
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME17NiCrMoS6-4
EUROPEAN STANDARDEN10277-4


QUICK VIEW SYSTEM
MACHINEABILITY75
WELDABILITYPre / post heat precaution required
HARDENABILITYLow alloy case hardening
SELECTION GUIDE AND USAGE EXAMPLESAs EN352 but higher strength. Shafts, pinions, and clutch plates
SIZES.

Size (ins. dia) 1.5/16             






STAINLESS STEELS
EN 10088-3 BS970: 1991 COLOUR CODE DESCRIPTION 
European No. 1.4305303S31brown/greenAustenitic freecutting stainless steelclick to view details


CHEMICAL ANALYSIS
Car0.120 max
Sil1.00 max
Mang2.00 max
Phos0.060 max
Sul0.15 / 0.35
Chr17.0 / 19.0
Moly1.00 max
Nick8.0 / 10.0


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 303S31
BRITISH BS 970:1955  
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO.1.4305
EUROPEAN STEEL NAMEX10CrNiS18-9
EUROPEAN STANDARDEN10088-3


QUICK VIEW SYSTEM
MACHINEABILITY85
WELDABILITYMild corroding conditions only
HARDENABILITYNot applicable
SELECTION GUIDE AND USAGE EXAMPLESGeneral purpose freecutting stainless steel
SIZES.

Size (ins. dia) 1/83/161/45/163/87/161/29/165/811/163/47/811.1/8
1.1/41.3/81.1/21.5/81.3/41.7/822.1/82.1/42.1/22.3/433.1/23.3/4
44.1/44.1/24.3/455.1/45.1/25.3/4678   


Size (mm. dia) 345678910121315161820
253035405060        


Size (ins. A/F) .218.248.312.375.437.500.625.750.820.875.9201.000  


Size (mm. A/F) 81012           




European No. 1.4307304S11brown/blackAustenitic stainless steelclick to view details


CHEMICAL ANALYSIS
Car0.030 max
Sil1.00 max
Mang2.00 max
Phos0.045 max
Sul0.030 max
Chr17.0 / 19.0
Nick9.0 / 12.0


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 304S11
BRITISH BS 970:1955  
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO.1.4307
EUROPEAN STEEL NAMEX2CrNi18-9
EUROPEAN STANDARDEN10088-3


QUICK VIEW SYSTEM
MACHINEABILITY65
WELDABILITYGood
HARDENABILITYNot appllicable
SELECTION GUIDE AND USAGE EXAMPLESFully resistant to weld decay. Domestic, dairy and decorative applications
SIZES.

Size (ins. dia) 1/43/87/161/25/83/47/811.1/41.1/21.5/822.1/82.1/4


Size (mm. dia) 681012162025304050    




European No. 1.4404316S11brown/redAustenitic stainless steelclick to view details


CHEMICAL ANALYSIS
Car0.030 max
Sil1.00 max
Mang2.00 max
Phos0.045 max
Sul0.030 max
Chr16.5 / 18.5
Moly2.00 / 2.50
Nick11.0 / 14.0


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 316S11
BRITISH BS 970:1955  
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO.1.4404
EUROPEAN STEEL NAMEX2CrNiMo17 13-2
EUROPEAN STANDARDEN10088-3


QUICK VIEW SYSTEM
MACHINEABILITY60
WELDABILITYGood
HARDENABILITYNot applicable
SELECTION GUIDE AND USAGE EXAMPLESFully resistant to weld decay. Acid resisting and suitable for food, marine & medical purposes.
SIZES.

Size (ins. dia) 1/43/87/161/29/165/83/47/811.1/81.1/41.3/81.1/21.3/4
22.1/82.1/42.1/22.3/433.1/2456    


Size (mm. dia) 35681012162025304050  


Size (mm. A/F) 57            




European No. 1.4005416S21brown/whiteMartensitic freecutting stainless steelclick to view details


CHEMICAL ANALYSIS
Car0.09 / 0.15
Sil1.00 max
Mang1.50 max
Phos0.060 max
Sul0.15 / 0.35
Chr11.5 / 13.5
Moly0.60 max
Nick1.00 max


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 416S21
BRITISH BS 970:1955  
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO.1.4005
EUROPEAN STEEL NAMEX12CrS13
EUROPEAN STANDARDEN10088-3


QUICK VIEW SYSTEM
MACHINEABILITY130
WELDABILITYNot recommended
HARDENABILITYNot applicable
SELECTION GUIDE AND USAGE EXAMPLESUsed in mildy corrosive conditions. General engineering applications
SIZES.

Size (ins. dia) 1/43/81/29/165/83/47/811.1/41.1/2    


Size (mm. dia) 68102025         





TOOL STEELS
BS 4659 COLOUR CODE DESCRIPTION 
GRADE O1BO1silver/blueNon shrinking oil hardening tool steelclick to view details


CHEMICAL ANALYSIS
Car0.85 / 1.40
Sil0.40 max
Mang1.10 / 1.35
Phos0.035 max
Sul0.035 max
Chr0.40 /0.60
Van0.25 max
Tung0.40 / 0.60


MECHANICAL PROPERTIES
Tensile Strength N/MM2 Min Rm  
Yield Stress N/MM2 Min Rm  
Elongation A Min % on 5.65√SO  
Izod Min 
Kcv Min 
Proof Stress 0.2% N/MM2 Min 
Brinell Hardnessann'd 229max


INTERNATIONAL SPECIFICATION COMPARISON
BS 4659 GRADE O1
BS 4659 BO1
GERMAN DIN  
FRENCH AFNOR90MCW5
SWEDISH SS 
AMERICAN SAEO1
EUROPEAN STEEL NO.1.2510
EUROPEAN STEEL NAME100MnCrW4
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY90
WELDABILITYNot recommended
HARDENABILITYGood
SELECTION GUIDE AND USAGE EXAMPLESGeneral purpose tool steel. Tough hard and economical. Press tool punches, moulding dies
SIZES.

Size (ins. dia) 1/23/411.1/41.1/21.3/422.1/233.1/2456 


Size (ins.) 2 x 12 x 1.1/23 x 13 x 24 x 14 x 1.1/4
4 x 1.1/24 x 24 x 36 x 16 x 1.1/46 x 1.1/2
6 x 28 x 3/48 x 110 x 2  


Size (ins. sq)1.1/2234         




GRADE D2BD2silver/redHigh carbon & chromium non distorting tool steelclick to view details


CHEMICAL ANALYSIS
Car1.40 / 1.60
Sil0.60 max
Mang0.60 max
Phos0.035 max
Sul0.035 max
Chr11.5 / 12.5
Moly0.70 / 1.20
Van0.25 / 1.00


MECHANICAL PROPERTIES
Tensile Strength N/MM2 Min Rm  
Yield Stress N/MM2 Min Rm  
Elongation A Min % on 5.65√SO  
Izod Min 
Kcv Min 
Proof Stress 0.2% N/MM2 Min 
Brinell Hardnessann'd 255max


INTERNATIONAL SPECIFICATION COMPARISON
BS 4659 GRADE D2
BS 4659 BD2
GERMAN DIN  
FRENCH AFNORZ160CDV12
SWEDISH SS 
AMERICAN SAED2
EUROPEAN STEEL NO.1.2379
EUROPEAN STEEL NAMEX155CrVMo12-1
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY35
WELDABILITYNot recommended
HARDENABILITYExcellent
SELECTION GUIDE AND USAGE EXAMPLESGood wear resistance tool steel and fairly tough
SIZES.

Size (ins. dia) 11.1/41.1/222.1/23        


Size (ins.) 2 x 14 x 14 x 1.1/44 x 1.1/25 x 26 x 1.1/2
8 x 1.1/28 x 210 x 1.1/210 x 2  





ALUMINIUM
BS EN 573-3 COLOUR CODE DESCRIPTION 
HE 306082-T6blackGeneral purpose Aluminiumclick to view details


CHEMICAL ANALYSIS
Sil0.70 / 1.30
Iron0.50 max
Cu0.10 max
Mang0.40 / 1.00
Mg0.60 / 1.20
Chr0.25 max
Zn0.20 max
Ti0.10 max


INTERNATIONAL SPECIFICATION COMPARISON
BS HE 30
BS EN 573-3 6082-T6
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS6082
AMERICAN SAE 
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAMEALSi1MgMn
EUROPEAN STANDARDEN-AW-6082


QUICK VIEW SYSTEM
MACHINEABILITY250
WELDABILITYGood
HARDENABILITYNot applicable
SELECTION GUIDE AND USAGE EXAMPLESA good allround general purpose aluminium
SIZES.

Size (ins. dia) 1/43/81/25/83/47/811.1/81.1/41.3/81.1/21.5/81.3/42
2.1/42.1/22.3/433.1/43.1/244.1/25678  


Size (ins.) 1/2 x 1/43/4 x 1/43/4 x 1/21 x 1/41 x 3/81 x 1/2
1 x 3/41.1/4 x 1/41.1/4 x 1/21.1/2 x 1/41.1/2 x 1/21.1/2 x 3/4
1.1/2 x 12 x 1/42 x 1/22 x 3/42 x 12 x 1.1/2
2.1/2 x 1/22.1/2 x 12.1/2 x 23 x 1/43 x 1/23 x 3/4
3 x 13 x 1.1/23 x 23.1/2 x 5/84 x 1/24 x 3/4
4 x 14 x 1.1/24 x 25 x 1/26 x 1/26 x 1


Size (ins. sq) 1/23/411.1/41.1/22
34    




FC 12011black/greenFreecutting Aluminiumclick to view details


CHEMICAL ANALYSIS
Sil0.40 max
Iron0.70 max
Cu5.00 / 6.00
Mang-
Mg-
Chr-
Zn0.30 max
Ti-
Lead0.20 / 0.60


INTERNATIONAL SPECIFICATION COMPARISON
BS FC 1
BS EN 573-3 2011
GERMAN DIN  
FRENCH AFNORFC1
SWEDISH SS 
AMERICAN SAEA92011
EUROPEAN STEEL NO.3.1655
EUROPEAN STEEL NAMEALCu6BiPb
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY400
WELDABILITYNot recommended
HARDENABILITYNot applicable
SELECTION GUIDE AND USAGE EXAMPLESHigh performance free machining aluminum for repetition parts with superior tool life
SIZES.

Size (ins. dia) 1.1/4             





BRASS
BS EN 12164 CW 614N COLOUR CODE DESCRIPTION 
CZ121 PB3 brassFree machining Brassclick to view details


CHEMICAL ANALYSIS
Cu56.50 / 58.50
Lead2.50 / 3.50


INTERNATIONAL SPECIFICATION COMPARISON
BS EN 12164 CW 614N CZ121 PB3
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE38500
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAMECuZn39Pb3
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY450
WELDABILITYNot recommended
HARDENABILITYNot applicable
SELECTION GUIDE AND USAGE EXAMPLESHigh speed free machining brass of the highest quality & consistency designed to minimise production costs
SIZES.

Size (ins. dia) 3/161/43/81/25/83/47/811.1/81.1/41.3/81.1/21.3/42





BRIGHT MILD STEEL SHEET
BS EN 10130:1999 COLOUR CODE DESCRIPTION 
DCO1CR4naturalBright Mild Steel Sheetclick to view details


CHEMICAL ANALYSIS
Car0.12
Sil0.45
Mang0.60
Phos0.045


MECHANICAL PROPERTIES
Tensile Strength N/MM2 Min Rm 270 / 410
Yield Stress N/MM2 Min Rm 280
Elongation A Min % on 5.65√SO 28
Izod Min 
Kcv Min 
Proof Stress 0.2% N/MM2 Min 
Brinell Hardness 


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 CR4
BRITISH BS 970:1955  
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO.1.0330
EUROPEAN STEEL NAMEDC01
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY
WELDABILITY
HARDENABILITY
SELECTION GUIDE AND USAGE EXAMPLES
SIZES.

Size (mm) 2000 x 1000 x 0.82000 x 1000 x 1.02000 x 1000 x 1.22000 x 1000 x 1.5
2000 x 1000 x 2.02000 x 1000 x 3.0  




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