| BIS Specification |
IS 2039 |
| Nearest equivalent International Specification |
BS 1717 |
| Grade |
ERW C1
ERW C2
ERW C3 |
| Chemical Composition (%) |
| %C max |
%Mn |
%S max |
%P max |
0.15
0.20
0.25 |
0.60 max
0.90 max
1.20 max |
0.06
0.05
0.05 |
0.06
0.06
0.06 |
|
| Mechanical Properties |
|
| Weld Properties |
| Flattening |
% Drift (Min) |
Bend test |
3t
5t
8t |
12
10
8 |
NS
NS
NS |
|
| Dimensional Tolerances |
| OD |
Thickness |
Remarks |
| Over |
up to incl |
Toll |
| mm |
mm |
mm |
| - |
30 |
+.03/-.13 |
| 30 |
44.5 |
+.06/-14 |
|
±8% |
|
|