SS Pipe (Tube)

Seam pipe Automatic USA precise welding pipe systemMaterial: 2B high quality stainless steel beltAutomatic Processing: Uncoiling ---- Cutting & butt welding------material storage------rough molding ----- fine molding ------ welding -------rolling out of internal weld seam-----external polish seam------Degreasing & cleaning ----Hydrogen reduction heat treament of brightness ---eddy current flaw detection------sizing, alignment, rounding, ------onlie mark spraying ------ track cutting by saw, ----flat head cutting------hydraulic o pressure test---- flaw detection (X ray eddy current inspeciton) ---- inspection and packageingStandard: GB/T 12770-91 GB/T 12771-2000 ASTM A312/A ASTM A409/A409M ASTM A688/A688M ASTM A269 ASTM A249/A249M DIN17445 DIN17457 Nps CodeODTHK range1/810.30.8, 1.0,1.2,1.4,1.6,1.8,1/413.70.8,1.0,1.2,1.4,1.6,1.8161.0 1.2 1.4 1.6 1.8 2.03/817.21.0 1.2 1.4 1.6 1.8 2.0191.2 1.4 1.6 1.8 2.0 3.01/221.31.2 1.4 1.6 1.8 2.0 3.0251.2 1.4 1.6 1.8 2.0 3.03/426.71.2 1.4 1.6 1.8 2.0 3.0321.2 1.4 1.6 1.8 2.0 3.0133.41.2 1.4 1.6 1.8 2.0 3.0381.2 1.4 1.6 1.8 2.0 3.01 1/442.21.2 1.4 1.6 1.8 2.0 3.0451.2 1.4 1.6 1.8 2.0 3.01 1/2481.2 1.4 1.6 1.8 2.0 3.050.81.6 1.8 2.0 3.0571.6 1.8 2.0 3.0260.31.6 1.8 2.0 3.0631.6 1.8 2.0 3.02 1/2731.6 1.8 2.0 3.0388.92.0 3.0