1. Double tube bending with one piece material; 2.High level quality, nice bending and welding 3. Material: Q235 Or Q195 Product NameTube bending, or pipe bendingFOB Shanghai PriceUSD300-USD800/TonSteel GradeCarbon Steel, Q195,Q215,Q235,Q345,Stainless Steel, SS304, SS316,Alumium, Copper, Alloy steel, Straight or Spiral welded pipes, etc.StandardBS,ASTM,DIN,JSBends seriesHeating exchanger, coils, ...