... :ASTM,DIN,EN,JIS,AISI,BS Product Specifications:welded stainless steel round pipe NameStainless Steel pipeStandardASTM A554, A249, A269 and A270, A312Material Grade201 ( Ni ... ) Length: +/- 5mmSurface180G, 320G, 400G Satin / Hairline400G, 500G, 600G or 800G Mirror finishApplicationDecoration construction, upholstery, industry instrumentTestSquash test, extended test, water pressure ...