Huapei(China) Pipeline Industry Co.,Ltd

manufacturer and exp(1)

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api 5l gr.b carbon seamless steel pipe manufacturer
Specification: api 5l psl1, psl2, api 5ct gr.b x42-x52 s355jr,st20,st52 ect
Detail: Standard:API 5L, ASTM A106£¬ ASTM A53£¬ ASTM A252£¬API 5CT, GB/T8162-2008,GB/T8163-2008,GB3087-2008,GB/T1396-1998,GB5310-2008, GB/T18984-2003,GOST 8731-74,GOST 8732-78 Material:Gr.B,X42-X52,S355 K2,S355JR,S355JOH,ST52,Gr.2, ...


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