Daily Archives: 2017-06-07

ERW Steel Pipe Production: The Role of Weld Preheating

In the production of ERW steel pipe, high frequency technology used by pipe manufacturer, other welding of important components, welding of alloy steel and welding of thick parts all require preheating before welding. The main roles of preheating before welding

ERW Steel Pipe Production: The Role of Weld Preheating

In the production of ERW steel pipe, high frequency technology used by pipe manufacturer, other welding of important components, welding of alloy steel and welding of thick parts all require preheating before welding. The main roles of preheating before welding