ASTM A572 Gr.50 steel is high strength low-alloy columbium-vanadium structural steel. A572 Gr.50 plate provides a 50ksi minimum yield strength and 65ksi minimum tensile strength. A572 Gr.50 plate is ductile and easy to form. ASTM A572 Gr.50 steel can be successfully machined with the appropriate techniques and is easy to weld.
ASTM A572 Gr.50 steel property:
| Minimum | Minumim | Min. Elongation | ||||
| Grade | Yield Point | Tensile Strength | In 8 inch | in 2 inch | ||
| ksi | [Mpa} | ksi | [Mpa] | [200 mm] | [50 mm] | |
| 50 [345] | 50 | [345] | 65 | [450] | 18 | 21 |
ASTM A572 Gr.50 plate has a higher yield and tensile strength than A36 plate, combined with a lower weight. ASTM A572 Gr.50 steel is intended for welded structures primarily in applications where extra strength or reduced end product weight is desired without foregoing strength. ASTM A572 Gr.50 plate is used in a variety of structural applications, including bridges, buildings, construction equipment, freight cars, machinery, truck parts and transmission towers.
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