... ,202 ,301 ,304 ,304L ,316 ,316L ,310 S,317Ll,321Specification : WT : 1-60mm OD :3-320 mmPacking : in bundle by belt ... /T or L/C at sight Min order : In general , 5 tons Usage : convey the oil or water or gas .construction ... .decoration .electric equipment and so on Tolerance : WT: +/- 5 % OD : +/- 1%If needed , please don’t hesitate to contact ...