... .The max weight of steel ingot is 60 ton High strength structural steel plates in the quenched and tempered condition is our ... G3119,JIS G3115,JIS G3126,EN 100287Quenched and tempered high strength steel plates for pressure vesselsH:12-60W:900-4800I:3000-2500007MnCrMoVR ... H:5-150W:900-4800I:3000-2500020MnTiB,N,360,NM400 High strength structural steel plates in the quenched and tempered condition