Weld flash requirements

MetalLearn® – Stainless Steel Products Stainless Steel Products Fundamentals Weld flash requirements

Welding process leaves a bead or flash on OD and ID

Flash always removed from OD surface

Tubing I.D. flash options

Flash in: Flash does not exceed wall thickness or 3/32” inch, whichever is less
Flash control: Flash controlled to 0.010” or 0.005”
No Flash: No flash noticeable.

Diagrams of tube after welding and after flash removal. Photo of weld bead in tube.