| BS 3146 : Part 1 : 1974 |
Comparable Specifications |
Specifi
-cation |
|
Type of Steel |
Afnor
(see NF A32 - 054) |
D.I.N. |
Werk
-stoff |
A.I.S.I. |
BS 3100:
1976 |
BS970:
1983 |
E N |
| CLA 1 |
A
B
C
|
Carbon Steels |
XC 18
XC 32
XC 42M
|
GS 45
GS 52
GS 60
|
1.0443
1.0551
1.0553
|
C1020/1/2/3
C1030
C1040
|
A1
A2
A3
|
050A22
060A32
060A42
|
3
5
8
|
| CLA 2 |
|
1.5%Mn Steel |
20 M 6 |
20 Mn 6 |
1.5060 |
C1027 |
A4 |
150M19 |
14A |
| CLA 3 |
|
(45-55 Ton)
700-850N/mm²
Alloy Steel
|
40 NCD 14 M |
34 Cr Ni Mo 6 |
1.6582 |
9840 |
BT1 |
816M40 |
24 |
| CLA 4 |
|
(55-65 Ton)
850-1000N/mm²
Alloy Steel
|
32 NCD 14 M |
30 Cr Ni Mo 8 |
1.6580 |
4337 |
BT2 |
823M30 |
25 |
| CLA 5 |
A
B
|
High Tensile
Steels
|
40 NCD 10 |
|
|
|
|
826M31(Z) |
|
| CLA 7 |
|
3% Cr Mo
Steel
|
35 CD 12 - M |
24 Cr Mo 10 |
1.7273 |
|
B4 |
722M24 |
29 |
| CLA 8 |
|
Carbon Steel
Surface
Hardening
|
XC 42 - TS - M |
Ck 45 |
1.1191 |
C1040 |
AW2 |
060A40 |
8 |
| CLA 9 |
|
Carbon Steel
Surface
Hardening
|
XC 15 |
Ck 15 |
1.1141 |
C1016 |
AW1 |
080A15 |
32 |
| CLA 10 |
|
3% Ni Case
Hardening
Steel
|
20 NCD
12 - TS - M
|
10 Ni 14 |
1.5637 |
|
|
|
33 |
| CLA 11 |
|
3% Cr Mo
Nitriding
Steel
|
20 CD 12 |
27 Cr Mo 13.5 |
1.7365 |
|
B4 |
722M24 |
40 |
| CAL 12 |
A&B
C
|
1% Cr Abrasion
Resisting Steels
|
50 C 4
60 CD 5
|
50 Cr Mo 4
60 Cr Mo 4
|
1.7228
1.7229
|
5147
4150
|
BW2;
BW3;
BW4
|
|
|
| CLA 13 |
|
Ni Mo Steel |
15 ND 8 |
|
|
4617 |
|
665H17 |
34 |
BS3146, CLA 3, 4 and 5 specifies S and P only under chemical composition; the comparable specifications
given are similar materials; however, other alloys will give the mechanical properties required. |
