A514 is a particular type of high strength steel, which is quenched and tempered alloy steel, with a yield strength of 100,000 psi (100 ksi or approximately 700 MPa).A514 is primarily used as a structural steel for building construction. This is a standard set by the standards organization ASTM International, a voluntary standards development organizations that sets technical standards for materials, products, systems, and services.
The tensile yield strength of A514 alloys is specified as at least 100 ksi (689 MPa) for thicknesses up to 2.5 inches (63.5 mm) thick plate, and at least 110 ksi (758 MPa) ultimate tensile strength, with a specified ultimate range of 110–130 ksi (758–896 MPa). Plates from 2.5 to 6.0 inches (63.5 to 152.4 mm) thick have specified strength of 90 ksi (621 MPa) (yield) and 100–130 ksi (689–896 MPa) (ultimate).
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