Chemical Composition of Steel Grade :
| Chemical Composition of Martensitic Steel Grade |
| Grade |
UNS |
Indian / IS |
European / EN |
%C |
%Mn |
%P |
%S |
%Si |
%Cr |
%Ni |
%Mo |
% Others |
| (Max) |
(Max) |
(Max) |
(Max) |
(Max) |
| SS410 |
S41000 |
X12Cr12 |
1.4006 |
0.08-0.15 |
1.00 |
0.040 |
0.030 |
1 |
11.50-13.50 |
0.75 max |
– |
– |
| SS415 |
S41500 |
X02Cr13Ni4Mn1Mo1 |
1.4313 |
0.05 |
0.50-1.00 |
0.030 |
0.030 |
0.6 |
11.50-14.00 |
3.50-5.50 |
0.50-1.00 |
– |
| SS420 |
S42000 |
X20Cr13 |
1.4021 |
0.15 min |
1.00 |
0.040 |
0.030 |
1 |
12.00-14.00 |
0.75 max |
0.50 max |
– |
| SS420J1 |
– |
X20Cr13 |
1.4021 |
0.16-0.25 |
1.00 |
0.040 |
0.030 |
1 |
12.00-14.00 |
0.6 |
– |
– |
| SS420J2 |
– |
X30Cr13 |
1.4028 |
0.26-0.40 |
1.00 |
0.040 |
0.030 |
1 |
12.00-14.00 |
0.6 |
– |
– |
| SS420MoV |
– |
– |
1.4116 |
0.45-0.55 |
1.00 |
0.040 |
0.015 |
1 |
14.00-15.00 |
– |
0.50-0.80 |
V=0.10-0.20 |
| SS431 |
S43100 |
X15Cr16Ni2 |
1.4057 |
0.2 |
1.00 |
0.040 |
0.030 |
1 |
15.00-17.00 |
1.25-2.50 |
– |
– |
| BS |
– |
– |
– |
0.6-0.7 |
1.00 |
0.028 |
0.020 |
0.75 |
12.50-13.50 |
– |
– |
– |
| SS405 |
S40500 |
X04Cr12Al |
1.4002 |
0.08 |
1.00 |
0.040 |
0.030 |
1 |
11.50-14.50 |
0.6 |
– |
AI=0.10-0.30 |
