API 5L Line PipeTechnology Type:Seamless,ERW,SSAW;Usage:Transport of oil and gas;Carried Standard:API 5L,GB/T9711.1,GB/T977.2;Specification:1/2"-48";Steel Grade:Grade B,X42,X46,X52,X60,X65,X70,X80,X10 ... ...
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Oil Casing, Tubing, Line Pipe, Seamless Steel Pipe, Coupling ...
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