Brief introduction of hot rolled steel plate;
Hot-rolled steel plate takes continuous casting slab or initial rolling slab as raw material, which is heated by walking beam heating furnace, descaled by high-pressure water, and then enters roughing mill. After roughing, it enters finishing mill, which is realized by computer. Control rolling, after rolling, use laminar cooling (cooling rate is controlled by computer), and use coiler to wind it into straight hair coil. The head and tail of straight hair curls are often tongue-shaped and fishtail-shaped. The width accuracy is poor, and the edges often appear wavy, folded and tower-shaped defects.
Types and uses of hot rolled steel plates:
1, structural hot-rolled steel plate: mainly used for the production of steel structures, bridges, ships and vehicles.
2. Weather-resistant hot rolled steel plate: adding special elements (P, Cu, C, etc.). ), with good corrosion resistance and atmospheric corrosion resistance, is used to produce containers, special vehicles and building structures.
3. Hot rolled steel plate for automobile structure: high-strength steel plate with good stamping performance and welding performance, which is used to produce automobile frames and wheels.
4. Hot rolled special steel: carbon steel, alloy steel and tool steel used for general mechanical structures are used to produce various mechanical parts after heat treatment.
5. Hot rolled steel plate for high pressure vessel: it has good processability and compressive strength and is used to produce 500L? The following high-pressure gas pressure vessels are filled with liquefied petroleum gas, acetylene gas and various gases.
6. Stainless steel hot rolled steel plate: Stainless steel has good corrosion resistance and is mainly used in food industry, surgical instruments, aerospace, petroleum, chemical industry and other industries.
Hot rolled steel plate price:
1, the specification of Foshan stainless steel hot rolled steel plate is 10* 10 cm, and the market price is 15 yuan.
2. grand plan? The specification of hot rolled steel plate is 10* 10 cm, and the market price is 17 yuan.
3? The specification of hot rolled steel plate in Chen Hao is 10* 10 cm, and the market price is 2 1 yuan.
The above is the market situation and classification knowledge sharing of hot rolled steel plate introduced by Bian Xiao, which is often seen in our daily life. Hot-rolled steel plate is mainly steel plate, which has many functions such as waterproof, corrosion resistance and durability. Hot rolled steel plates have different uses in different categories. In the above article, Bian Xiao introduced several kinds of hot rolled steel plates and shared their corresponding uses. Bian Xiao's introduction ends here.
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