... meet different customer's requirements. Boiler and Pressure Vessel Steel PlatesStandard:GB, ASTM, ASME, JIS, DIN, BS ... clinets’ different requirements,we can supply more steel plates with various specifications.the pretreatment pictures General ... rolled,controlled rolling, normalizing,annealing, tempering,quenching, normalizing plus tempering, quenching and tempering and other delivery states are ...