The ASTM/ASME SA516 A514 grade F alloy steel plate specification covers carbon steel plates, which are mainly used for welding pressure vessels, where improving notch toughness is very important. The A514 grade F alloy steel plate tensile strength range is 55-90MPa, and its versatility makes this specification very popular in applications.
A514 grade F alloy steel plate, 20CrMo alloy steel plate has high hardenability, no temper brittleness, good weldability, little tendency of cold cracking, good machinability and cold strain plasticity. 20CrMo alloy steel plate is generally used in the state of quenching and tempering or carburizing and quenching. 20CrMo alloy steel plate is used to manufacture high-pressure pipes, fasteners and carburized parts, such as gears and shafts, working in non corrosive medium and medium containing mixture of nitrogen and hydrogen under 250 ℃.
Tempering the important A514 grade F alloy steel plate welding structure often use high temperature tempering to remove residual weld stress. Classification: high temperature tempering above 400 ℃, medium temperature tempering 250 ~ 400 ℃, low temperature tempering 150 ~ 250 ℃, Quenching +Tempering is improve A514 grade F alloy steel plate strength, plasticity and toughness.
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