GB/T 9711.2 Spiral Welded Steel Pipe

GB/T 9711.2 Spiral Welded Steel Pipe

Manufacturing procedures
The GB/T 9711.2 spiral welded steel pipe should be manufactured in the following steps.  Firstly, the steel belts or plates should be molded.  Secondly, the joint edging zone should be padded by metals and finally, the joints should be welded.

Materials
The GB/T 9711.2 spiral welded steel pipeis made of  L245NB, L290NB, L360NB, L415NB, L360QB, L415QB, L450QB, L485QB, L555QB, L245MB, L290MB, L360MB, L415MB, L450MB, L485MBand L555MBsteel types.

Technical specifications
The maximum outer diameter for GB/T 9711.2 spiral welded steel pipe is 3048mm.  The maximum wall thickness is 30 mm and the maximum length for a single pipe reaches 20000mm.

Applications
The GB/T 9711.2 spiral welded steel pipe is widely used in transferring combustible gas, including petroleum and natural gas.

ZHONGSHUN is a GB/T 9711.2 spiral welded steel pipe manufacturer and supplier.  Wealso offer spiral welded steel pipe, ERW steel pipe, galvanized steel pipesand line pipes.  Our high quality products are offered at competitive prices.  ZHONGSHUN is located in China, where the full chain of manufacturing coating steel pipe and pilings can be completed, even in one city, which helps save our production cost.  Our lower manufacturing cost saves your purchasing costas well.  More details of each product are shown on the page with description.