| BIS Specification |
IS 7138 |
| Nearest equivalent International Specification |
JIS G3445 |
| Grade |
NS |
| Chemical Composition (%) |
| %C max |
%Mn |
%S max |
%P max |
| NS |
NS |
0.06 |
0.06 |
|
| Mechanical Properties |
|
| Weld Properties |
|
| Dimensional Tolerances |
| OD |
Thickness |
Remarks |
| Over |
up to incl |
Toll |
| mm |
mm |
mm |
| - |
21.3 |
±0.2 |
| 21.3 |
- |
±0.3 |
|
+ not limited -8% |
|
|
So