1.Specification: coated API 5L PSL1 SSAW steel pipe , 2.Size: from 219" ... .29mm-508mm. (1/8''-20'')1.2mm-39mm Technique Seamless, welded Usage 1. Low and middle pressure fluid transportation pipeline 2 ... , 20, 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo, JIS G3441-1988 1.Specification: coated API 5L PSL1 SSAW steel pipe ,2.Size: from 219 ...