How is the quality of these U-tubes, and what is their standard in the industry?

2020-03-05View Original

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How is the quality of these U-tubes, and what is their standard in the industry?

Reply #22020-03-05

This U-tube appears silver-white in color, smooth and glossy, without any abnormal stains or oil residues. It has no signs of skinning, inclusions, or dents, no mechanical scratches, and no weld undercutting – it’s well-made.

Reply #32020-03-06

Bro, how can there be undercut at the weld in a U-tube?

Reply #42020-03-06

Judging from the picture, the appearance quality is good, with no scratches or significant warping

Reply #52020-03-07

From the picture, it looks pretty good in appearance. There are no signs of flattening at the bent section, and the color is silver-white with no oil stains.

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