 |
| |
| EQUIVALENT
GRADES |
|
|
BS 970
1970-1972 |
BS 970-1955
EN No. |
AISI/ SAE |
DIN |
IS
Grade Specification
|
| HIGH SPEED STEELS |
| BM 2* |
- |
M2 |
XB2WM065 |
T83M0W6Cr4V2 |
7291/1974 |
| BT |
- |
T1 |
E6-60/65w |
T70W18Cr4V1 |
7291/1974 |
| |
|
|
|
|
|
| TOOL STEELS |
| BD 2* |
- |
D2 |
X165CrV12 |
XT160Cr12 |
3749/1978 |
| BD 3* |
- |
D 3 |
X210Cr12 |
XT215Cr12 |
4430/1979 |
| B 01* |
- |
01 |
- |
T90Mn6WCr2 |
4430/1979 |
| BH 11* |
- |
H 11 |
38CrMoV51 |
XT35Cr5mo1V3 |
3748/1978 |
| BH 12* |
- |
H 12 |
X37CrMoW5 |
X35Cr5MoW1V30 |
3748/1978 |
| BH 13* |
- |
H 13 |
X40CrMoV51 |
XT35Cr5Mov1 |
3748/1978 |
| Cr Mo Steels |
| - |
- |
4130 |
25CrMo4 |
- |
- |
| 709M 40 |
19 |
4140 |
- |
40Cr4Mo3 |
5517/1978 |
| NI Mo Steels |
| 665 M 17 |
34 |
4617 |
- |
- |
- |
| 817 M 40 |
24 |
4340 |
34CrNiMo6 |
40Ni10Cr4Mo 3 |
5517/1978 |
| 826 M 31 |
25 |
- |
- |
31Ni10Cr3Mo6 |
5517/1978 |
816 M 40
|
110 |
- |
- |
40Ni6Cr4Mo2 |
5517/1978 |
| 815 M 17 |
353 |
- |
- |
15NiCr1Mo12 |
4432/1967 |
| 820 M 17 |
354 |
- |
- |
15Ni2Cr1Mo15 |
4432/1967 |
| 822 M 17 |
355 |
|
|
16NiCr2Mo20 |
4432/1967 |
| 805 M 20 |
362 |
8620 |
- |
- |
- |
| FREE CUTTING STEELS |
| 216 M 36 |
15 AM |
1137 |
- |
40Mn15S12 |
3930/1979 |
| 212 M 36 |
BM |
1140 |
- |
40C10S18 |
4431/1978 |
| 220 M 07 |
1A |
1213 |
9527 |
11C10S25 |
4431/1978 |
| CARBON STEELS |
| - |
32 B |
1015 |
C- 15 |
Cl. 1A |
1875/1978 |
| 070 M 20 |
3 A |
1020 |
C- 20 |
Cl. 2 |
1875/1978 |
| - |
4 |
LF1/1026 |
- |
Cl. 2A |
1875/1978 |
| - |
5D |
1030 |
- |
Cl. 3 |
1875/1978 |
| 080 M 40 |
8 |
1040 |
- |
- |
- |
| 080 A 47 |
43 B |
1045 |
1045 |
Cl. 4 |
1875/1978 |
| 070 M 55 |
9 |
1055 |
Ck 55 |
Cl. 5 |
1875/1978 |
| 060 A 62 |
43 D |
1060 |
Ck 60 |
- |
- |
| - |
42 B |
1065 |
- |
Cl. 6 |
1875/1978 |
|
|
|
|