ASTM A285Gr.B is a low to medium strength carbon steel that is used for fusion welded pressure vessels.
ASTM A285 is a specification for low to medium tensile strength carbon steel plate for use in welded pressure vessels. The specification consists of three grades, A, B, and C, which have different strength levels. ASTM A285 Grade B has a tensile strength range of 50-70 ksi.
A285 Grade B steel plate Chemical analysis:
| C % | Mn % | P % | S % | SI % |
| 0.22 | 0.98 | 0.035 | 0.035 | 0.08-0.45 |
Mechanical Property ASTM A285GR.B:
| Mechanical Property A285 Grade B | A285 Grade B |
| Tensile strength, kis [MPa] Yield strength, min, kis [MPa] Elongation in under [50mm], min, % | 345-485 185 28 |
