... :20053High strength low-alloy structural steelsQ345-Q460-Q550-Q690GB1591-2008A36,A283,A529ASTMSM400,SM490,SM520,SM570JIS G31064Structural steel for bridgesH:6-120W ... ,SPV235-490,SLA235A(B),SLA325A(B),SLA365,SLA410,P355GHGB713-2008,ASTM,JIS G3103,JIS G3119,JIS G3115,JIS G3126,EN 100287Quenched ...