Petroleum Line Pipe
Dec 25, 2009
5. specification : outer diameter 114.3mm ---323.9mm * thickness 4.0mm—14.0 , length 6m—13.5m .
material/ steelgrade : L175, L210, L245, L290, L320, L360, L390, L415, L450, L485, LA25, X42, X46, X52, X60, X65.
material/ steel grade : GB/ T9711.1-1997 / AP15L