ASTM A516 Grade 70 steel is boiler steel for moderate and low temperature service.
ASTM A516 Grade 70 boiler steel plates are generally used for the construction of welded pressure vessels when an improvement in notch toughness is required.
ASTM A516 Grade 70 boiler Steel Plate Chemical Composition:
| Steel Grade | C | Si | Si (Min) | Mn | Mn (Min) | P | S |
| A516 70 | 0.28 | 0.45 | 0.13 | 1.3 | 0.79 | 0.035 | 0.035 |
ASTM A516 Grade 70 boiler Steel Plate Mechanical Properties:
| Grade | A516 Grade 70 |
| Tensile Strength (ksi) | 70-90 |
| Tensile Strength (MPa) | 485-620 |
| Yield Strength (ksi) | 38 |
| Yield Strength (MPa) | 260 |
| Elongation in 200mm (%) | 17 |
| Elongation in 50mm (%) | 21 |
| Max Thickness (mm) | 205 |
BBN STEEL supply ASTM A516 Grade 70 boiler Steel Plates for boiler and pressure vesselfabrication which is ideally suited to the high standards set by the oil, gas and petrochemical industry.
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