Outer surface defects for seamless steel pipe

We, as seamless steel pipe supplier, will not escape the reality about the outer surface defects for it. On the contrary, we will focus on these disadvantages and avoid them as soon as possible for our products.

You need to know it if you want to defeat it. Thus, we’ve listed the relative questions about the outer surface defects of the seamless pipeline.

An outer fold: the outer surface of the seamless steel pipe presents a layered folded spiral.

Separation: there is a spiral shape or blocky delamination and cracking.

Scars and pock surface: steel surface showed uneven pits or scars on the seamless tube.

Net cracks and scratches: linear or spiral-shaped groove-like defects.

Straightening recess: steel spiral concave outer surface.

With more details, our manufacturers would list them and the solving methods would be here too.

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Created on Nov 28th 2018 21:09. Viewed 310 times.

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