Analysis of Metallurgical Disadvantages of Bearing Steel

Source: China Bearing Network Time: 2017-10-20

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The metallurgical quality defects of bearing steel include all the shortcomings that can be formed in the metallurgical materials such as exercise, casting, rolling and casting. According to the inspection methods, they can be divided into microscopic defects and microscopic defects.
1. Micro defects:
Contains appearance, cracks, folds, cracks, scratches, crusting and slag inclusions as well as low-level pickling. It can be found in shrinkage holes, subcutaneous bubbles, white spots, over-burning, intermediate looseness, usually Looseness and segregation, surface decarburization, etc. These are common shortcomings of steel. Various types of bearing steel specifications have strict rules for handling these shortcomings.
2. Micro defects:
The microscopic shortcomings of steel include the expansion of inspections under the optical microscope to detect various types of non-metallic inclusions in the steel, carbon segregation, carbide network and banding, annealing unevenness, etc. These are all factors affecting the purity of the steel. And the primary shortcoming of uniformity. Strictly control these skill indicators and make them as much as possible; it is the primary content of all kinds of bearing steel skill needs.

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