... is 60 ton High strength structural steel plates in the quenched and tempered condition is our best ... structural steelH:5-150W:900-4800I:3000-25000A,B,D,E,A32,D32,E32,A36,D36,E36 ... A662,SB410,SB450,SB480,SBV1A(B),SBV2,SBV3,SPV235-490,SLA235A(B),SLA325A(B),SLA365,SLA410,P355GHGB713-2008,ASTM ... spec 5L-2004 4311High strength structural steel plates in the quenched and tempered conditionH:5-150W:900-4800I ...