Size: OD 12.7-204MM Standard: DIN SMS, ISO,3A Finish: Mirror color or Dull Light Material: AISI304/316L sanitary stainless steel tube1)Process method: Welded2)Size : Φ12.7-204mm 3)Material: 304, 304L, 316, 316L, 3214)Standards: DIN/3A/SMS/ISO5) Finish: Mirror ,Dull Light, 180#,240#,320#,400# or 600#6)Application: Widely use in petrochemical industry, electricity, nuclear energy, ...