Seamless steel pipes of ships

Standards:

China Classification Society materials and welding specifications - China Classification Society（CCS）

Det Norske Veritas (DNV) specification - Det Norske Veritas (DNV)

Lloyd's Register (LR) specification - British Lloyd's Register (LR)

Germany Lloyd's Register (GL) specification - Germany Lloyd's Register (GL)

American Bureau of Shipping (ABS) specification - American Bureau of Shipping (ABS)

France Classification Societies (BV) specification - France Classification Societies (BV)

Italy Classification Societies (RINA) specification - Italy Classification Societies (RINA)

Japan Classification Societies (NK) specification - Japan Classification Societies (NK)

GB/T5312 —— China national standards

Uses:

For marine boiler and superheater and Ⅰ, Ⅱ-pressure piping systems with seamless steel pipe

Steel pipes No. of main production:

320、360、410、460、490 ect.

Dimensional tolerance:

Mechanical Properties:

Chemical composition: