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How to distinguish the quality of seamless steel pipe?

Seamless steel pipe plants are nowadays more and more widely used in seamless steel pipes, especially thick-walled seamless steel pipes, and manufacturers are constantly increasing. People have a demand for the quality of thick-walled seamless steel pipes, so how to distinguish the quality of thick-walled seamless steel pipes?

The first-quality, thick-walled seamless steel pipe is uniform in composition, looks very regular on the cutting head, and feels smooth and not burr-like. However, due to the poor material quality, the end face of the cutting head is often uneven, and because the products of the fake inferior products are less, the big ears will appear at the head and tail.

Secondly, if it is a shoddy thick-walled seamless steel pipe, then there will be a reddish color in the color, and the residual thick-walled seamless steel pipe will not reach the standard in temperature.

The cross-section of the thick-walled seamless steel pipe of Linyi Seamless Steel Tube Plant is not round, and may be elliptical or may be another shape. This is because the manufacturer saves data and cuts the work, so this is not suitable. Specifications for form factor. There is also the appearance of scarred appearance, which is not allowed in high-quality thick-walled seamless steel pipes, but it is easy to see on the residual thick-walled seamless steel pipe.