... L/CSpecifications1.Standard: ABS,BV,CCS,DNV,GL,KR,LR,NK,RINA,GB 2.Grade: A/B/C/D/E Q235 ... ) Q390qC,D1.Standard: ABS,BV,CCS,DNV,GL, KR,LR,NK,RINA2.Pretreatment/ Heat Treatment: TMCP, Q &T, N, AR, CR ... and best serviceStandard ABS,BV,CCS,DNV,GL,KR,LR,NK,RINA Grade A/B/C/D/E Q235 Q345 Q390 ...