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ALL SOLUTIONS FOR STEEL PIPE/TUBE PRODUCTION Machine Model :ZY-76 Raw material hot rolled steel, galvanized steel Round tube outer diameter 31.8mm-88.9mm Wall thickness Round tube 1.2mm-3.75mm Tube welding ... ادامه مطلب

ALL SOLUTIONS FOR STEEL PIPE/TUBE PRODUCTION Product Overview The BIS Standard Steel Pipe Production Line for 88.9 mm - 219 mm outer diameter is designed for manufacturers who need to produce welded steel pipes ... ادامه مطلب

Product Overview The ZY-219 API 5L ERW Tube Mill is designed for medium and large round steel tube production, covering an outer diameter range of 88.9 mm to 219 mm and a wall thickness range of 2.0 mm to 8.0 ... ادامه مطلب

ZY-16 Refrigerator pipe, bundy pipe, heat exhange pipe welding machine line Product Overview The ZY-16 Heat Exchange Pipe Welding Machine is designed for producing small-diameter straight seam welded tubes used ... ادامه مطلب

ZY-45 coated pipe, precision pipe, heat exhanger pipe welding machine line Raw material application CR steel, copper coated CR steel Production OD range(mm) 16-50.8 Production thickness range(mm) 0.7-2.0 Design ... ادامه مطلب

Common Defects in Small-Diameter Thin-Wall Tube Welding Tube makers running φ10–26mm precision lines report four recurring problems: edge wave and buckling on 0.4–1.5mm strip, drifting weld seams that leave ... ادامه مطلب

Problem Small diameter tube makers often struggle to hold roundness and weld straightness when running Φ8-18mm pipe. A tiny cross-section amplifies any roller misalignment into visible ovality and a wandering ... ادامه مطلب

Edge Wave and Instability During Tube Forming Every tube defect starts at the forming section. Edge wave, strip camber and uneven bending force the strip into the weld off-center, producing oval, wavy or split ... ادامه مطلب

Dimensional Instability in Light Structural Tube Structural tube for frames, racks and light construction must hold straightness and roundness so joints assemble square. Mills producing φ10-26mm sections often ... ادامه مطلب

Problem A strip jam or hard spot sends a shock load through the forming stands, and without protection the rollers, shafts and bearings absorb it, causing expensive damage and long downtime. Cause Unexpected ... ادامه مطلب