How to check whether the 25CrMo4 seamless steel pipe is qualified

There are many uses of 25CrMo4 seamless steel pipe, so what requirements do we have for the quality of 25CrMo4 seamless steel pipe?

First, we will analyze the quality requirements of 25CrMo4 seamless steel pipe. Certain alloy elements such as chromium and molybdenum need to be added to 25CrMo4 seamless steel pipe. In addition, a little residual elements, which are brought in during steelmaking, need to be controlled. Residual elements should not be added too much, otherwise the quality of 25CrMo4 seamless steel pipe will be affected.

There will be some harmful elements in the steel-making process. Therefore, the harmful elements of 25CrMo4 seamless steel pipe should be strictly controlled. The purity of the steel must be improved, and some other impurities in the billet should be relatively reduced, and its distribution pattern should be improved.

When we check the surface quality of 25CrMo4 seamless steel pipe, we need to ensure the surface smooth and clean. This also means that there are few impurities, no cracks and scabs, no internal and external folding.