Technical Information

Related Steel Specifications

Carbon & Carbon Manganese Freecutting Steels

Steel No. (Werkstoff No.) Steel Name BS 970 1991 BS 970 1955 AISI/SAE
1.0723 15 S 20 210M15 En32M 1117
1.0727 45 S 20 212A42 En8DM 1144
1.0727 45 S 20 226M44 En8DM 1144
1.0715 9 SMn 28 230M07 En1A 1214
1.0718 9 SMnPb 28 230M07Pb En1APb 12L14

Carbon Steels

Steel No. (Werkstoff No.) Steel Name BS 970 1991 BS 970 1955 AISI/SAE
1.0401 C 15 080A15 En3B 1016
1.0402 C 22 070M20 En3B 1020
1.0535 C 55 070M55 En9 1055
1.1141 C 15 080A15 En3B 1016
1.1180 Cm 35 080A32 En5C 1035
1.1180 Cm 35 080A35 En8A 1035
1.1186 Ck 40 080M40 En8 1040
- - 080A42 En8D 1042
1.1730 C45 080A47 En43B 1046
1.0535 C 55 080A57 - 1055
1.1191 Ck 45 - - 1045

Alloy Steels

Steel No. (Werkstoff No.) Steel Name BS 970 1991 BS 970 1955 AISI/SAE
1.3505 100 Cr 6 - En31 5210
1.7131 16 MnCr 5 590A15 - -
- - 605M36 En16 -
- - 606M36 En16M -
- - 635M15 En351 -
- - 637M17 En352 -
1.5752 14 NiCr 14 655M13 En36 3415
- - 665M17 En34 4615
- - - - 4130
1.7225 42 CrMo 4 - - 4140
1.7361 32 CrMo 12 722M24 En40B -
1.8159 50 CrV 4 - En47 6150
1.6543 21 NiCrMo 22 805A20 - 8620
1.6523 21 NiCrMo 2 805M17 En361 8617
1.6543 21 NiCrMo 22 805M20 En362 8620
- - 815M17 En353 -
1.6565 40 CrNiMo 6 817M40 En24 4340
- - 820M17 En354 -
- - 822M17 En355 -
1.6743 32 NiCrMo 10 4 826M31 En25 -
1.6745 40 NiCrMo 10 5 826M40 En26 -
1.6723 15 NiCrMo 16 5 835M15 En39B -
1.6747 30 NiCrMo 16 6 - En30B -
1.8523 39 CrMoV 13 9 897M39 En40C -
1.8509 41 CrAlMo 7 905M39 En41B -

Stainless & Heat Resisting Steels

Steel No. (Werkstoff No.) Steel Name BS 970 1991 BS 970 1955 AISI/SAE
1.4305 X10 CrNiS 18 9 303S31 En58M 303
1.4305 X10 CrNiS 18 9 303S42 En58AM 303Se
1.4306 X2 CrNi 19 11 304S11 - 304L
1.4301 X2 CrNi 18 10 304S15 En58E 304
1.4845 X12 CrNi 25 21 310S31 - 310
1.4404 X2 CrNiMo 17 13 2 316S11 316L
1.4401 X5 CrNiMo 17 12 2 316S31 316
1.4571 X6 CrNiMoTi 17 12 2 320S31 316Ti
1.4541 X2 CrNiTi 18 10 321S31 - 321
1.4550 X6 CrNiNb 18 10 347S31 - 347
1.4006 X10 Cr 13 410S21 En56A 410S
1.4005 X12 CrS 13 416S21 En56AM 416
- - 416S41 En56AM 416Se
1.4021 X20 Cr 13 420S29 En56B 420
1.4028 - 420S37 En56C -
1.4057 X20 CrNi 17 2 431S29 En57 431