What are the classification of ASTM A588 Grade C weather resistant plate appearance hardening

High frequency quenching: put ASTM A588 Grade C weather resistant plate into high frequency electromagnetic coil, connect high frequency current, and then the product will produce induced current in the workpiece. However, the high frequency current is only concentrated on the surface of the ASTM A588 Grade C weather resistant plate, so if the surface of the weathering plate is heated. This method of heating quenching is called high frequency electromagnetic induction heating quenching.

Flame quenching: use CO2 and other steam flame quenching, stop heating method.

Nitriding and quenching: in order to only increase the carbon content on the surface of the ASTM A588 Grade C weather resistant plate, put theASTM A588 Grade C weather resistant plate into the nitriding agent and stop heating the nitriding and quenching method.

As nitriding agents, there are liquid nitriding agents such as wood carbon, coke and other solid nitriding agents, and steam nitriding agents such as Co. when such nitriding agents stop heating, carbon elements penetrate into the ASTM A588 Grade C weather resistant plate surface, only the ASTM A588 Grade C weather resistant plate surface becomes high carbon steel weathering plate. The nitrided and quenched layers can reach the depth in mm.