... , 240G, 320G, 400G, 600G, mirror, Satin polish Material:AISI 201, 304 NameStainless Steel pipeStandardASTM A554, A249, A269 and A270, A312Material Grade201 ... .8%),202 (Ni 3.5%~4.5%),301(Ni 5%)304 (Ni 8%, Cr 18%),316 (Ni 10%, Cr 18%),316L ... be produced after orderValidityValid time is 5days for price usually. 304 stainless steel welded pipe