... is 350mm 4GB/T700-2006 quality carbon structural steels is our best Superior products.Our steel plate up to the best thickness 650mm ... ,14Cr1MoR,12Cr2Mo1R,12Cr1MoVR,A203,A204,A285,A299,A302,A387,A515,A516,A537,A662,SB410,SB450,SB480,SBV1A(B),SBV2,SBV3,SPV235 ... -490,SLA235A(B),SLA325A(B),SLA365,SLA410,P355GHGB713-2008,ASTM,JIS G3103,JIS G3119,JIS G3115,JIS G3126,EN 100287Quenched ...