... Welding Line:1. Customized available 2. Good quality3. Technical supportIntorduction:Φ140 Pipe Welding Line is mainly used to weld round and ... quality, easy operation and maintenance, and rigid machine structure. 140 Parameters: Specification:Φ140×5.0Pipe Diameter:Φ60~Φ140mmPipe Thickness:2~5mmPipe Materials ... :Q195,Q215,Q235Welding Speed:20~70M/Min 140 ERW Steel Pipe Making Machine