Threaded Pipe Fitting 1Size: 1/8 inch to 6 inch 2Meterial: 304,316, ... ,A403-WP321,A403-WP321H4.Usage:use for petroleum,chemical,nuclear,power,shipbuilding,papermaking,food,water,gas,medicine,construction industry etc.5 ... sightUpdate Date:2011-03-09 19:12:01 Threaded Pipe Fitting