seamless stainless steel pipe 1.Grade:300 Series 2.Cerfitication:ISO, DNV, PED, GOST 3.Standard:ASTM,JIS,DIN,GB,GOST,EN ZHEJIANG PENGYE is professional manufacture of seamless stainless steel pipe and tube in China. 1.SIZE: OD from 6mm to 630mm,WT from 0.9mm to 30mm,Length can make up to 17 meters.2.Material Grade:201,301,304/TP304/304L,321/F321,TP316L/316L,317L, 347H, 310S , Duplex S31803, etc.3 ...