is a kind of material for boiler and pressure vessel steel. P420M steel plates is classified by a minimum yield strength of 390-420 MPa and by good weldability,so P420M steel is widely used for manufacturing boilers.
 Standard : 
Steel Grade:P420M
Steel Plate Thickness: 6mm-120mm
Steel Plate Width: 1500mm-4020mm
Length: 3000mm-18000mm
Place of Origin: Henan China (Mainland)
Brand Name: 

Grade	P420MMechanical Property
	Thickness	Yield	Tensile	Elongation
P420M	mm	Min Mpa	Mpa	Min %
	6-16	355	450-610	22%
	16-40	355	450-610	22%
	40-63	345	450-610	22%