... ,BV,CCS,DNV,GL,KR,LR,NK,RINA,GB 2.Grade: A/B/C/D/E Q235 Q345 Q390 Q420 Q460 ... ,BV,CCS,DNV,GL,KR,LR,NK,RINA,GB 2.Grade: A/B/C/D/E Q235 Q345 Q390 Q420 Q460 ... testing: Grade1, 2,33.Main application: This kind of steel plate are mainly used for shipbuilding, bridge, machinery, boiler and presure vessel4.Advantage ... ,36,40) Q390qC,D,E-Z Hot rolled high-quality steel plate and coil