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Common classification of steel

There are many ways to classify commonly used steel forgings, usually according to its chemical composition, use, smelting method and metallographic structure. No matter what kind of classification method is adopted, we must adhere to the principle of "scientific and practical" and choose a reasonable classification method from the actual needs.

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Properties of Alloy Steel

With the development of science and technology and industry, higher requirements are put forward for materials, such as higher strength, resistance to high temperature, high pressure, low temperature, corrosion resistance, wear resistance and other special physical and chemical properties. Carbon steel can no longer be completely fulfil requirements. Disadvantages of carbon steel:

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Steel coil, also known as coil steel. The steel is rolled by hot pressing and cold pressing.

Steel coil, also known as coil steel. The steel is rolled by hot pressing and cold pressing. In order to facilitate storage and transportation, convenient for various processing (such as processing into steel plate, steel belt, etc.)

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Steel pipes can be divided into two categories according to production methods

Steel pipe according to the production method can be divided into two categories: seamless steel pipe and welded steel pipe, welded steel pipe referred to as welded pipe.

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According to the use of carbon steel can be divided into carbon structural steel

According to the use of carbon steel can be divided into carbon structural steel, carbon tool steel and easy cutting structural steel three types, carbon structural steel is divided into engineering construction steel and machine manufacturing structural steel two

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The steel type of thick steel plate is roughly the same as that of thin steel plate.

In addition, the steel plate and the material said, not all steel plates are the same, the material is not the same, the steel plate used in the place, is not the same.

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About 0.10%~0.40%, solid solution enhancement; In addition to the bad effect of FeO on steel quality, it is beneficial

About 0.25%~0.80%. Solid solution strengthening; Remove FeO, reduce the brittleness of steel; Synthesis of MnS with vulcanization can reduce the harmful effects of sulfur. Good for you

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Profile is a solid straight strip with a certain section shape and size after plastic processing of metal.

Profiles are objects with certain geometric shapes made of iron or steel and materials with certain strength and toughness through rolling, extrusion, casting and other processes.

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