What material spiral steel pipe can be used for natural gas pipeline?

2019-04-25 09:24:34 COMMENT：0 HITS：

　　Spiral steel pipe is used in large-caliber natural gas pipelines, but there are strict requirements for the material and standard of spiral steel pipe.

　　First: Material requirements

　　16Mn spiral steel pipe, Q345B spiral steel pipe, L245 spiral steel pipe, L360 spiral steel pipe, X40-X80 spiral steel pipe,API 5L Sch 80 Welded Spiral Steel Pipe and so on, these are often used in natural gas pipelines.

　　Second: Requirements for Standard Implementation

　　9711.1 Spiral Steel Pipe and 9711.2 Spiral Steel Pipe

　　Third: Anti-corrosion requirements for exterior wall

　　Exterior wall anticorrosion usually uses 3PE anticorrosion.

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