230M07 / EN1A Bright drawn / turned / ground / Freecutting steel


BS970: 1955 BS970: 1991 COLOUR CODE DESCRIPTION
EN1A Freecutting230M07greenBright drawn / turned / ground / Freecutting steel


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