Tube Processing

Besides end closing, metal tubes often need roll grooving, beading, reducing, cutting or notching. This section explains how each forming method works, what it is used for, and what to prepare before outsourcing tube processing.

How Are Metal Tubes Cut? Sawing vs Roll Cutting and Chip-Free Tube Cutting

Cutting is usually the first tube processing step. The two common methods are sawing and roll cutting; they work differently and leave different cut ends.Sawing vs roll cuttingItemSawingRoll cuttingP...

What Is Tube Notching (Fishmouth)? Preparing Tube Ends for Tube-to-Tube Welding

When two round tubes are welded in a T or at an angle, a square-cut end leaves a large gap. Tube notching (coping, fishmouth) cuts an arc in the tube end that matches the mating tube's OD, so the tub...

What to Prepare Before Outsourcing Tube Processing: An RFQ Checklist

When asking a tube processor for a quotation, the more complete your information, the faster and more accurate the quote. Here is TONG DA's checklist.What to prepareItemDetailsTubeMaterial (carbon st...

What Is Tube End Reducing? Uses, Methods and Points to Watch

Tube end reducing (swaging, necking) shrinks the outer diameter of one end of a metal tube. The reduced end can slide into another tube of the same size, forming a joint without a separate connector....

What Are Roll Grooving and Beading? Uses of Tube Roll Forming and How to Choose a Machine

Roll grooving uses a roller to press a groove around the outside of a metal tube; beading presses a raised rib. Both are roll forming – no cutting, no chips, and the tube wall stays continuous.What ...

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