A573 Grade 70 low alloy steel sheet
A573 Grade 70 High Strength Steel Sheet(HSLA) Products Description
A573 Grade 70 high tensile steel plate implements ASTM standards and is suitable for medium and low temperature pressure vessels and boiler manufacturing.
Performance characteristics of A573Gr70 high tensile steel plate
Good low temperature toughness and good weldability: A573Gr70 low alloy steel has low carbon, sulfur and phosphorus content and low welding crack sensitivity.
Other characteristics: A573Gr70 low alloy steel material has good impact resistance, small temperature deformation, micro-alloying, high purity, low carbon equivalent, and strong resistance to sulfur and hydrogen.
A573Gr70 high strength alloy steel is widely used in engineering fields such as petroleum, chemical industry, power station, boiler, etc., and is used to manufacture reactors, heat exchangers, storage tanks, oil and gas tanks, nuclear reactor pressure vessels, boiler drums and other equipment and components.
A573 Grade 70 Low Alloy Steel Sheet Products Details
ASTM A573 Gr 70 low alloy steel chemical composition:
| Component Elements Properties | Metric | English | Comments |
| Carbon, C | 0.28% | 0.28% | may vary with plate thickness |
| Iron, Fe | 98% | 98% | as balance |
| Manganese, Mn | 0.85 - 1.2 % | 0.85 - 1.2 % | |
| Phosphorous, P | 0.04% | 0.04% | |
| Silicon, Si | 0.15 - 0.40 % | 0.15 - 0.40 % | |
| Sulfur, S | 0.05% | 0.05% |
ASTM A573 Gr 70 low alloy steel material mechanical property:
| Physical Properties | Metric | English | Comments |
| Density | 7.85g/cm3 | 0.282 lb/in³ | Typical of ASTM Steel |
| Mechanical Properties | Metric | English | Comments |
| Tensile Strength, Ultimate | 485 - 620 MPa | 70300 - 89900 psi | |
| Tensile Strength, Yield | 290 MPa | 42100 psi | |
| Elongation at Break | 18% | 18% | in 200 mm |
| Bulk Modulus | 160 GPa | 23200 ksi | Typical for steel |
| Shear Modulus | 80.0 GPa | 11600 ksi | Typical for steel |
A573 Grade 70 High Strength Sheet Products Image
A573 Grade 70 HSLA Steel Plate Product Testing
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