Specifications of Stainless Steel Tubes: 1. Standard: GB, ASTM, JIS, DIN 2. Grade: 201, 202, 301, 321, 304, 304L, 316, 316L, 409, etc 3. OD range: 2mm-1200mm 4. Wall thickness range: 0.06mm-200mm 5. Length: max.18000mm 6. Surface finish: Polishing (180#,220#,240#etc,)Hairline, acid pickled and so on 7. Manufacture technology: cold drawn/cold rolled/hot rolled 8. Type: Seamless & Welded Typical Steel Grade :Austenite, ferrite, marstenite, duplex stainless steel and alloy steel, nickel-based alloy, non-ferrous metallic tube and profiled bar, etc. Specifications Φ2�1200 mm * wt: 0.06�200 mm.