... : YDGT Standard: ASTM,AISI,GB 201 stainless steel pipeYADA STEEL CO.LTD,TEDA CHINA -supply stainless steel pipe 200 series,300 series ... , Manual Polish And Mechanical Polish;2) Chemical And Physical Characteristic: Durable, Corrosion Resistant And High-temperature Resistant; ApplicationAppilcation scope:petroleum, chemical, medical equipment, boiler heat ...