Properties
Properties
Mechanical properties
The values shown for the mechanical properties in the table below are for test pieces taken longitudinal to the rolling direction.
| ASTM A 1011-15 | Grade | SS Grade 50 |
|---|---|---|
| Yield strength (ksi) | 50 | |
| Tensile strength (ksi) | 65 | |
| Elongation (%) | t < 0.064 | 11 |
| 0.064 ≤ t < 0.097 | 16 | |
| 0.097 ≤ t < 0.230 | 17 | |
| 0.230 ≤ t | - |
Elongation after fracture A uses test piece length L0 = 2 inches..
t - material thickness in inch.
Grade 50 only available in ASTM A1011.
Minimum values unless shown otherwise.
Chemical composition
Structural steel meets the requirements of the heat analysis in the standard, as shown in the table below.
The steel grades supplied by Tata Steel are always fully killed. Tata Steel does not supply steel with increased copper content.
| ASTM A1011-15 | Grade | SS Grade 50 |
|---|---|---|
| C | Max. | 0.25 |
| Mn | Max. | 1.35 |
| P | Max. | 0.035 |
| S | Max. | 0.04 |
| Si | Max. | - |
| N | Max. | - |