Large OD steel pipe with material x56 x70, sprial welded pipe used in oil and gas industry
Large Od Steel Pipe With Material X56 X70,Sprial Welded Pipe Used In Oil And Gas Industry, High Quality Steel Pipe For Oil And Gas Industry,Sprial Welded Steel Pipe,Lsaw Steel Pipe
ASTM, DIN, GB, JIS, ASTM A106-2006, ASTM A210-1996, ASTM A53-2007, DIN 1626, DIN 1629/3, DIN 1629/4, DIN 17175, GB/T 3087, GB/T5310, GB/T8162, GB/T8163, JIS G3101, JIS G3429, JIS G3459-2004, JIS G3461-2005