... ,SS316 4.Finish:Satin polish,#80, #18, #240, # 320 AISI 304 stainless steel pipe: NameStainless Steel pipeStandardASTM A554, A249, A269 and ... .8%),202 (Ni 3.5%~4.5%),301(Ni 5%)304 (Ni 8%, Cr 18%),316 (Ni 10%, Cr 18%),316L ... after orderValidityValid time is 3 days for price usually. AISI 304 stainless steel pipe