Seamless Steel Pipe API 5l X56 , X60 , X65 , X70 STPG 370 BIS / API / PED Quick Details Standard: JIS, GB, DIN, ASTM, API, JIS G3461-2005, JIS G3455-2005, JIS STPG370, GB/T 8163-1999, DIN 1626, ASTM ...
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