TIG welded stainless steel pipe . Standard:ASTM A554 Grade:201,202,301,304,316 ... material.2.We have more than 15 years experience in stainless steel market,a professional manufacturer.3.We completely produce the pipes ... mechanical properties.ApplicationWindow,Door,Handrail,Curtain rail,Towel rail,Flagpole,Lamp pole,Sanitary Instrument,Billboard,Decoration,Upholstery,Construction,Accessory,Airport,Bus ...