... FH69,Z15,Z25,Z35GB712-2000API GB53136Steel plates for boilers and pressure vesselsH:5-300W:900-4800I:3000-25000Q245R,Q345R,Q370R,18MnMonbR, ... JIS G3103,JIS G3119,JIS G3115,JIS G3126,EN 100287Quenched and tempered high strength steel plates for pressure vesselsH:12- ... 2004 4311High strength structural steel plates in the quenched and tempered conditionH:5-150W:900-4800I:3000-25000Q460,Q500,Q550,Q620, ...