Seamless Steel Pipes

Standard: GB3087-1999, ASTM A179, ASTM A106, JIS G3454, SA-213, SA-179 Application: Used for manu

Standard: GB/T8163-1999, ASTM A53-98, JIS G3452-1998, JIS G3454-1998, ASTM A106, DIN 1629-1984 Ap

Seamless Pipeline, Seamless Line Pipe Standard: API 5L Application: For gas, water, transporta

Seamless Steel Pipe & Tube, Carbon Seamless Steel Pipe,SMLS Pipe & Tube, Black Seamless Steel Pipe  

Standard: GB/T8162-1999, ASTM A53, ASTM A106, ASTM A500-98, ASTM A501-98, ASTM A519-98, JIS G3441-19