070M20 / EN3B Bright drawn / turned mild steel


BS970: 1955 BS970: 1991 COLOUR CODE DESCRIPTION
EN3B070M20red/blackBright drawn / turned mild steel


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