S355JR steel plate is equivalent to A572Gr50 steel plate

A572Gr50 steel plate and S355JR steel plate both are high strength low alloy steel materials with minimum yield strength at 345Mpa and 355Mpa.So S355JR steel plate is equivalent to A572Gr50 steel plate.A572Gr50 steel plate comes from standard specification A572/A572M is for high strength low alloy Columbium-Vanadium structural steel,so there is requirement for Columbium or Vanadium or Columbium and Vanadium contents comparasion with S355JR steel plate.S355JR steel plate comes from EN 10025-2 standard specification for hot rolled structural steels.The relative other steel grades as S355J0,S355J2 and S355K2.

Xinsteel Industrial stock thickness from 2-250mm hot rolled A572Gr50 steel plate and S355JR steel plate at Shanghai warehoues.


As for chemical composition and mechanical properties for A572Gr50 steel plate and S355JR steel plate,you can check from the below table:
 

S355JR vs A572Gr50		Chemical composition: Heat Analysis  Max%
Standard	Grade	C	Mn	P	S	Si	N	Cu
EN 10025-2	S355JR	0.24	1.60	0.035	0.035	0.55	0.012	0.55
A572/A572M	A572Gr50	0.23	1.35	0.04	0.05	0.40	-	-
Mechanical Properties:		Thickness		Yield strength		Tensile strength
				Mpa  Min.		Mpa
EN 10025-2	S355JR	T≤16		355		470-630
A572/A572M	A572Gr50	T≤16		345		450 Min.