Hot Rolled Steel

CUMIC Steel, a steel solutions company, has been supplying different types of high quality steelmaterials for a diverse range of industries, in which the following ones are in particular our specialty. With our expertise and steel know-how, we can offer the best quality steel solutions for all your industrial needs.

Hot Rolled Steel

Hot-rolling refers to a metalworking process in which the steel is rolled at above recrystallization temperature (usually exceeds 1000℉). Being heated past its recrystallization point, the steel can be properly formed, shaped, and produced in larger quantities. After being cooled at room temperature, the steel is normalized and cooled off, becoming a finished hot rolled steel product. Hot rolled steel for salenot only has excellent strength and versatility but also is a cost-effective material than comparing with cold rolled steel.

As one of the excellent hot rolled steel suppliersin China, Cumic Steel (professional hot rolled steel supplier) produces different types of hot rolled steelwith competitive hot rolled steel costto meet the demands of clients.

DIFFERENT USAGE OF TYPES OF HOT ROLLED STEEL PRODUCTS

It is mainly used in the production of steel structural parts, bridges, ships and vehicles.

With adding special elements (P, Cu, C, etc.), weathering steel has good corrosion resistance and atmospheric corrosion resistance, and is used for the production of containers and special vehicles, and also for building structures.

It has high strength steel plate with good stamping performance and welding performance, used for the production of frame, wheel, etc.

General mechanical structure uses carbon steel, alloy steel, tool steel, after heat treatment engineering for the production of various mechanical parts.

It is used in the production of various cold rolled products, including CR, GI, color coated plates, etc.

With good processing performance and pressure strength, it is used for the production of high-pressure gas pressure vessels filled with LPG, acetylene gas and various gases with an inner volume of 500L or less.

With good processing performance and pressure strength, it is used for the production of high-pressure gas pressure vessels filled with LPG, acetylene gas and various gases with an internal volume of 500L or less.

Stainless steel has good corrosion resistance, mainly used in the food industry, surgical equipment, aerospace, petroleum, chemical and other industries.

WELDING NOTICE OF HOT ROLLED CARBON STEEL FLAT PRODUCT

HOT ROLLED CARBON STEEL OVERVIEW

Hot rolled carbon steel plates are widely used in many specialized mechanical equipment and large structural components in the manufacturing industry, for example, in the engineering, energy and mining machinery industries, where many products use steel plateswith thicknesses of 6-20mm. Some of these hot rolled carbon steel plates are flat sheets without hollow cores, while most are 30% porosity plates. Their specifications and sizes vary depending on the product and application. These carbon steel plates are cut by plasma or oxygen, which will leave different degrees of flying edges, slag and burrs on the cut surface. These must be removed, otherwise the aesthetics and usability of the finished product will be affected.

HOT ROLLED STEEL PRODUCTS VS COLD ROLLED STEEL PRODUCTS

·Cold rolled steel products are hard, relatively difficult to process, but not easy to deformation, higher strength.

·Hot rolled steel products strength is relatively low, and the surface quality is poor (oxidation/low finish), but it has good plasticity, generally for the thick plate. Cold rolled steel products have high strength, high hardness, high surface finish, generally for the thin plate, which can be used as a stamping plate.

·The mechanical properties of hot rolled steel products are far from cold rolled steel product, but hot rolled steel products have good toughness and ductility.

·Cold rolled steel products due to a certain degree of hardening, low toughness, but can achieve a better yield to strength ratio, used to cold bending spring and other parts, while the yield point is closer to the tensile strength, so the use of the process of danger is not foreseeable, in the load exceeds the allowable load is prone to accidents.

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