steel pipe for ship building

Seamless (SMLS) Steel Pipe is one kind of steel material characterized of hollow, no-seam, round, square and rectangle. It is made from a solid round steel billet which is heated and pushed or pulled over a form until the steel is shaped into a hollow tube. Its light-weight and hollow section can mainly serve as structural parts and machinery parts for transportation of fluids.
   
The seamless steel pipe for shipbuilding is I,Ⅱpressure-proof carbon pipe. Its wall working temperature shall below 450℃; and for alloy steel pipe shall above 450℃.
Executive standard: GB/T5312-1999, DIN 2391-1994
Grade: Q320,Q360,Q410,Q460,Q490
Approved by CCS GL DNV LR NK KR RINA ABS (ASTM A131) and BV Authentication Classification society.