The strength of hot rolled stainless steel plate is relatively low, the surface quality is poor (low oxidation finish), but the plasticity is good, generally medium and thick plate, cold-rolled plate: high strength, high hardness, high surface finish, generally thin plate, can be used as stamping plate.
The thickness of hot rolled stainless steel plate is usually above 3mm and is widely used in various applications. During the hot rolling process, stainless steel has good plasticity at high temperatures and can easily achieve the desired size and shape. In actual production, the cold-rolled stainless steel plate has higher strength and higher hardness after cold pressing, but its plasticity and toughness are poor, and the surface smoothness is usually good. The hot-rolled stainless steel plate is rolled in a hot state, and its strength is relatively low, but its plasticity and toughness are good, and it is usually rough.
After head cutting, tail cutting, edge trimming, straightening, leveling and other finishing line processing, the plate is cut or rewinded to become: hot rolled stainless steel plate, flat hot-rolled steel coil, slitting strip and other products. Hot-rolled finish-rolled coils are hot-rolled pickled coils that have been pickled to remove scale and oiled.
The hot rolled stainless steel plate has a smooth surface, high plasticity, toughness and mechanical strength, and is resistant to corrosion by acids, alkaline gases, solutions and other media
During hot rolling, stainless steel sheets need to be rolled at high temperatures to obtain the desired shape and properties. This process requires precise control of temperature, speed and pressure to ensure that the produced stainless steel plate has high quality and good flatness.
Advantages of hot rolled stainless steel plate:
The hot rolled stainless steel plate has low hardness, easy processing and good ductility.
The mechanical properties of hot rolled stainless steel sheets are far inferior to those of cold processing and also inferior to forging processing, but they have better toughness and ductility
The hot rolling temperature is close to the forging temperature;
The hot plate is processed by hot rolling, with scale on the surface and low plate thickness;
Several uses of hot rolled stainless steel plates:
1. Structural steel Produce general structural steel and welded structural steel, mainly used in the production of steel structural parts, bridges, ships and vehicles.
2. Weather-resistant steel Adding special elements (P, Cu, C, etc.) has good corrosion resistance and atmospheric corrosion resistance. It is used in the production of containers and special vehicles, and is also used in building structures.
3. Steel for automobile structure High-strength steel plate with good DRAWING performance and welding performance, used in the production of automobile frame, WHEEL, etc.
4. Hot-rolled special steel Carbon steel, alloy steel, and tool steel for general mechanical structures are used in the production of various mechanical parts after heat treatment.
5. Cold-rolled original plate It is used to produce various cold-rolled products, including CR,?GI,?color-coated plates, etc.
6. Steel plates for steel pipes have good processing performance and compressive strength.
7. Steel plates for high-pressure vessels With good processing performance and compressive strength.
8. Stainless steel plate Stainless steel has good corrosion resistance and is mainly used in food industry, surgical equipment, aerospace, petroleum, chemical and other industries.
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