ST52 Sch80 carbon steel seamless tube suppliers
Aug 14 2018
1.OD:33.4-1020mm.2.WT:2.5-80mm.3.Standard:API 5L,ASTM A106,ASTM A53,ASME B3610,DIN 1629,DIN1626,DIN 17175,JIS G3441,JIS G3452,JIS G3454,JIS G4051,GB/T8162,GB/T8163,GB3087,GB5310 etc.4.Material:API 5L …
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