Year1
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- 齐全
The carbon content of steel is lower than that of steel. The hardness obtained after heat treatment is only low, but the performance in various aspects such as damage resistance is not very outstanding. Because it is easier to cut and polish, it is suitable for mass production of factory-made knife steel. Because of its low carbon content and excellent rust resistance, it is also an ideal steel for the production of diving knives.
Introduction
Stainless steel has certain wear resistance and corrosion resistance, high hardness, and its price is the lowest among stainless steel balls. It is suitable for working environments with common requirements for stainless steel. Suitable for all types of precision machinery, bearings, electrical appliances, equipment, instruments, meters, transportation vehicles, household appliances, etc. It is mostly used to manufacture parts that are resistant to atmospheric, steam, water and oxidizing acid corrosion. After quenching, stainless steel has high hardness and good corrosion resistance (magnetism). After quenching, stainless steel has a higher hardness than steel (magnetism).
Also called steel, martensitic stainless steel is used after quenching and tempering. Compared with steel, it has higher strength, hardness and hardenability, but its corrosion resistance and thermal stability below ℃ are lower than that of steel. If the cold working performance and welding performance are not good, heat treatment should be performed immediately after welding to prevent cracking. It has better cutting performance in the annealed state.
Chemical composition
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Application Overview
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Similar grades of steel have been developed in all major industrial countries in the world. They are mainly used to manufacture parts and measuring tools, medical instruments, cutting tools, and components that require corrosion resistance, high strength, and wear resistance, such as those below ℃ Working springs, shafts, bolts, valves, bearings, etc. that work below ℃. Since cracks are likely to occur during rapid cooling and quenching, if air cooling is used, the corrosion resistance will be reduced. Therefore, graded quenching should be used for parts with large load areas. Sometimes cold treatment is required to reduce the retained austenite content in the structure. Application Overview
Special Requirements:
The steel should not be tempered in the -℃ temperature range
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