Φ8-18mm Hot Rolled Steel Strip Tube Mill Machine ZY16 HF Welded Pipe Making

Problem Hot rolled strip carries mill scale and wider thickness variation, which wears rollers, disturbs the weld gap and leaves surface defects that are hard to hide on finished tube. Cause Mill scale is abrasive and increases roll wear, while HR strip thickness can vary more than cold rolled, so the weld edge gap and forming geometry shift along the coil length and cause intermittent weld defects. Solution The ZY16 feeds HR strip through a seven-roller leveler to flatten