1.Stainless steel pipes and tubes 201,202,301,304,316,etc 2.Stainless steel tubing for stairs, ... A554, A249, A269 and A270, A312Material Grade201 ( Ni 0.8%),202 (Ni 3.5%~4.5%),301(Ni 5%)304 (Ni ... ( { 'aImgSrc': aBigImageSrc } ); } )(); stainless steel pipe for decoration in aisi 201 202 301 304 316 430 304L 316L