United States · ASME
SB-956 C71000
ASME SB-956
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.05 | For subsequent welding applications and when is so specified by the purchaser. | For subsequent welding applications and when is so specified by the purchaser. | |
| Cu | Bal. Including Ag. Cu plus sum of named elements min.99.5% | Bal. Including Ag. Cu plus sum of named elements min.99.5% | ||
| Fe | 1 | |||
| Mn | 1 | |||
| Ni | 19 | 23 | Includes Co | Includes Co |
| P | 0.02 | For subsequent welding applications and when is so specified by the purchaser. | For subsequent welding applications and when is so specified by the purchaser. | |
| Pb | 0.05 | For subsequent welding applications and when is so specified by the purchaser.Pb <= 0.02% | For subsequent welding applications and when is so specified by the purchaser.Pb <= 0.02% | |
| S | 0.02 | For subsequent welding applications and when is so specified by the purchaser. | For subsequent welding applications and when is so specified by the purchaser. | |
| Zn | 1 | For subsequent welding applications and when is so specified by the purchaser | For subsequent welding applications and when is so specified by the purchaser |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| steel tubes, Welded and annealed +WO61 | ≥110 At 0.5% extension under load. | ≥310 | ||||
| steel tubes, Welded and light cold worked +WC55 | ≥241 At 0.5% extension under load. | ≥345 |