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Technical articles on line selection, welding process and coil preparation — written by the engineers who build and commission the lines.
Why Coil Preparation Decides Weld QualityMost weld defects on a tube mill are decided upstream, at the slitter. What to check in strip width, edge condition and camber before blaming the weld box. 14 September 2026
HFW or SSAW? Matching the Welding Process to the Pipe You SellHFW closes a longitudinal seam; SSAW winds the strip into a helix and closes a spiral one. They are not interchangeable, and they suit different businesses. 14 September 2026
Choosing a Tube Mill by Pipe Diameter: HG32 to HG630Diameter sets the forming stand size, the roll set, the shaft and the mill frame. How the twelve steps from HG32 to HG630 work, and what to do when two overlap. 14 September 2026Send Your Enquiry
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