Detailed Product Description

1) Standards:
Standard for malerials and wielding from Chinese classifying society Chinese clasifying society(CCS)
Standard of DNV Det Norske Veritas(DNV)
Standard of Lloyd¡¯S Register of UK(LR)¡¡Lloyd¡¯S Register of UK(LR)
Standard of Germanischer Lloyd Germanischer Lloyd(GL)
Standard of American Bureau of Shipping(ABS)American Bureau of Shipping(ABS)
Standard of BUREAU VERITAS(BV)BUREAU VERITAS(BV)
Standard of RINA Italian classification society(RINA)
GB£¯T5312 Chinese national standard
2) Appication£º
Seamless steel tubes for manufacturing marine boilers and ovemeaters as we as pressure pipes of grade I and ¢ò£®
3) Grade: 320,360,410,460,490,etc.
4) Size: OD from 140mm to 630mm, WT from 6mm to 80mm