10 Steps to Specify an ERW Tube Mill: Tube Size to Full Line
Choose the mill model from your maximum OD and wall thickness, then use strip, material, coil, speed, cutting, power and site data to define the full line.
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News & Guides
Company news and practical guides to tube mill equipment and production planning.
Technical guides
ERW Pipe Making Process: From Steel Coil to Finished Tube
ERW pipe is cold-formed from steel strip and HF-welded without filler metal. This guide follows each tube mill stage, from coil to finished tube.
Read articleTube Mill Quotation Checklist: What Information We Need
Send tube sizes, steel grade, strip and coil data, line speed, power supply, cutting and site details. Equipment is configured to order and quoted individually.
Read articleWhat Is a Spiral Accumulator? Keeping ERW Tube Mills Running
A spiral accumulator stores strip between the shear & butt welder and the tube mill, so the mill keeps running while a new coil is loaded and joined.
Read articleTube Mill Entry Section: Complete Set or Single Machine?
A new line or major strip-size change needs a complete entry section; on an existing line, one bottleneck machine can often be replaced after interface checks.
Read articleERW Tube Mill Line Layout: Equipment Sequence Explained
How an ERW tube mill line is ordered from uncoiler to run-out table, and how to allow for the accumulator offset, line direction and overall line length.
Read articleShear & Butt Welders: Manual, Semi- or Fully Automatic
InGen MillTek's three shear & butt welder grades: manual welding, an automatic traveling torch or a PLC-run cycle. How they compare and what to check first.
Read articleHow a Hydraulic Expanding Uncoiler Works: 1:3 Wedge Mandrel
How the 1:3 wedge mandrel of a hydraulic uncoiler turns cylinder stroke into radial grip, with coil ID matching, brake and drag, and what to specify.
Read articleHorizontal vs. Floor-Type Spiral Accumulator: How to Choose
Horizontal spiral accumulators generally suit narrower, thinner strip; floor-type units suit wider, thicker strip or more storage. There is no fixed cut-off.
Read articleTube Mill Entry Strip Leveler: Function and 6-Roll Design
The entry leveler flattens the strip head before the shear & butt welder: how its staggered rolls remove coil set and why the roll set is chosen by thickness.
Read articleSpiral Accumulator FAQ: Storage, Motors, Speed and Retrofits
Common questions on spiral accumulators for ERW tube mills: storage length, coil-change time, motors, speed, controls, mill height, retrofits and pricing.
Read articleERW Tube Mill Calculations: Strip Width and Weight per Meter
Estimate strip width and weight per meter for round, square and rectangular ERW tube, with worked examples. The roller design sets the actual strip width.
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