Cold Rolled Stainless Steel Strip

Cold rolled stainless steel strip is made of hot rolled stainless steel as blank and then cold rolled. Strip and sheet steel are rolled by cold mill at normal temperature. The general thickness is 0.1 ~ 3mm, and the width is 100 ~ 2000mm. The cold-rolled strip or sheet has the advantages of good surface finish, good flatness, high dimensional accuracy and good mechanical properties. Usually the products are in rolls, and a large part of them are processed into coated steel plates. Compared with the hot rolled strip, the dimensional accuracy is higher, the surface roughness is low, the surface quality is good, the finish is high, the strength is high.

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Product Advantages

Cold-rolled strip steel is processed at lower temperatures, usually at room temperature or slightly higher temperatures, and the crystal structure of cold-rolled strip steel is relatively dense and usually has a fine austenitic structure. This gives it excellent properties in terms of corrosion resistance and hardness, and cold-rolled strip steel generally has a smoother, brighter surface because less lubricant is used during the cold rolling process, reducing surface contamination. Cold-rolled stainless steel strips usually have higher hardness and strength, but lower toughness and ductility. This makes it excellent in applications that need to resist high strength stresses, and the service life of the stainless steel strip can reach 100 years, at least 70 years, as long as the life of the building. Due to the excellent corrosion resistance of stainless steel, it can be passivated with oxidants, thus forming a tough and dense chromium-rich oxide protective film Dr2O3 on the surface, which can effectively prevent further oxidation reactions.

Product application scenario: Used in automotive industry, storage and transportation industry, construction industry, home appliance manufacturing industry.

Stainless Steel Strip Product Properties

‌ corrosion resistance ‌ : stainless steel strip has good corrosion resistance, especially 304 stainless steel, its rust resistance is stronger than 200 series stainless steel material. In nitric acid below the boiling temperature of ≤65%, 304 stainless steel has strong corrosion resistance, and it also has good corrosion resistance to alkali solutions and most organic and inorganic acids.

‌ high temperature resistance ‌ : 304 stainless steel can withstand high temperature, up to 1000-1200 degrees. In addition, 304 stainless steel also has good heat resistance and can be used in the temperature range of -196 ° C ~ 800 ° C.

‌ mechanical properties ‌ : 304 stainless steel has good mechanical properties, including tensile strength, yield strength and elongation. Specifically, the tensile strength of 304 stainless steel is at least 620 MPa, the yield strength is at least 310 MPa, and the elongation is at least 30%‌2.

‌ Processability ‌ : 304 stainless steel has good stamping, bending and other thermal processing properties, and no heat treatment hardening phenomenon, non-magnetic.

‌ Application field ‌ : 304 stainless steel is widely used in household goods (such as tableware, cabinets, indoor pipelines), auto parts (such as windshield wipers, mufflers), medical equipment, building materials, chemical industry, food industry, agriculture and Marine parts and other fields.