... Excellent quality , Reasonable price,Delivery short Grade:200,300,400 series Stainless Steel Coil1. Grade:201,202,301,304,304L,321,316,316L,309s,310s2. WT:60mm ... COILSTEEL PIPESCERTIFICATEISO9001:2008STANDARDAISI, ASTM, DIN, GB, JISAISI, ASTM, DIN, GB, JISAISI, ASTM, DIN, GB, JISAISI, ASTM, DIN, GB, JISGRADE201,202,304,304L,316,316L,309s ...