ASTM A573 Gr 70 steel plate is structural quality carbon manganese silicon steel. ASTM A573 Gr 70 steel plate is intended primarily for structural applications at atmospheric temperatures for which improved toughness is required. For ASTM A573 Gr 70 steel plate, BBN steel can arrange shot blasting and painting in our processing plant for clients if the end customers need the treatment. BBN steel would also issue the original mill test certificate EN 10204 3.1 for clients when arrange delivery, so that clients can trace the ASTM A573 Gr 70 steel plate origin easily.
ASTM A573 Gr 70 steel plate 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 steel plate 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 |
ASTM A573 Gr 70 steel plate application:
ASTM A573 Gr 70 steel plate is intended for fusion welding and for service at atmospheric temperatures where improved notch toughness is important.
For more inofrmation about ASTM A573 steel: A573 grade 58, A573 grade 65, A573 grade 70, welcome to consult BBN steel.
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
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