| BIS Specification |
IS 3601 |
| Nearest equivalent International Specification |
BS 6323
DIN 2393
DIN 2394
JIS G3445 |
| Grade |
WT 160
WT 200
WT 240
WT 310 |
| Chemical Composition (%) |
| %C max |
%Mn |
%S max |
%P max |
NS
NS
NS
NS |
NS
NS
NS
NS |
0.06
0.06
0.06
0.06 |
0.06
0.06
0.06
0.06 |
|
| Mechanical Properties |
| Yield Strength Kgf/mm2 (Min) |
Ultimate Tensile Strength Kgf/mm2 (Min) |
%Elongation (Min) on 5.65  So |
16
21
25
32 |
32
34
42
55 |
950 ÷ UTS
950 ÷ UTS
950 ÷ UTS
950 ÷ UTS |
|
| Weld Properties |
| Flattening |
% Drift (Min) |
Bend test |
3t
4t
6t
8t |
12.5
12.5
10.5
7.5 |
6D
6D
6D
6D |
|
| Dimensional Tolerances |
| OD |
Thickness |
Remarks |
| Over |
up to incl |
Toll |
| mm |
mm |
mm |
| - |
25.4 |
±0.15 |
| 25.4 |
51 |
±0.18 |
| 51 |
63.5 |
±0.23 |
| 63.5 |
76.1 |
±0.25 |
| 76.1 |
88.9 |
±0.31 |
|
±10% |
|
|
