Stainless steel sheet

Stainless steel plate is generally a general term for stainless steel plate and acid-resistant steel plate. Coming out at the beginning of this century, the development of stainless steel plate for the development of modern industry and scientific and technological progress has laid an important material and technical foundation. There are many kinds of stainless steel plate, different performance, it gradually formed several categories in the process of development. According to the structure is divided into austenitic stainless steel plate, martensitic stainless steel plate (including precipitation hardened stainless steel plate), ferritic stainless steel plate, and austenitic ferritic two-phase stainless steel plate and so on four categories? According to the main chemical composition of steel plate or some characteristic elements in steel plate to be classified into chromium stainless steel plate, chromium nickel stainless steel plate, chromium nickel molybdenum stainless steel plate and low carbon stainless steel plate, high molybdenum stainless steel plate, high purity stainless steel plate and so on. According to the performance characteristics and use of steel plate classification, it is divided into nitric acid resistant stainless steel plate, sulfuric acid resistant stainless steel plate, pitting corrosion resistant stainless steel plate, stress corrosion resistant stainless steel plate, high strength stainless steel plate. According to the functional characteristics of the steel plate, it is divided into low temperature stainless steel plate, no magnetic stainless steel plate, easy cutting stainless steel plate, super plastic stainless steel plate and so on. The commonly used classification method is according to the structure characteristics of steel plate and steel plate chemical composition characteristics and the combination of the two methods. Generally divided into martensitic stainless steel plate, ferritic stainless steel plate, austenitic stainless steel plate, duplex stainless steel plate and precipitation hardening type stainless steel plate or divided into chromium stainless steel plate and nickel stainless steel plate two categories. Typical uses: pulp and paper equipment heat exchanger, mechanical equipment, dyeing equipment, film washing equipment, pipeline, coastal area building external materials, etc.

Stainless steel plate surface is smooth, has high plasticity, toughness and mechanical strength, acid, alkaline gas, solution and other media corrosion resistance. It is an alloy steel that does not rust easily, but not absolutely.

Properties of stainless steel plate
Resistance to corrosion

The stainless steel plate has similar resistance to general corrosion as the unstable nichCR 304. Prolonged heating in the chromium carbide degree temperature range may affect alloys 321 and 347 in harsh corrosive media. It is mainly used in high temperature applications, where the material is required to have strong sensitization resistance to prevent intergranular corrosion at lower temperatures.

High temperature oxidation resistance

Stainless steel plates have high temperature oxidation resistance, but the oxidation rate will be affected by exposure environment and product form and other inherent factors.

Physical properties

The total heat transfer coefficient of a metal depends on other factors besides the thermal conductivity of the metal. In most cases, the film heat dissipation factor, rust and metal surface condition. Stainless steel keeps the surface clean, so its heat transfer is better than other metals with higher thermal conductivity. Liaocheng Sundeli Stainless Steel provides eight, stainless steel plate technical standards stainless steel plate corrosion resistance, bending processing performance and toughness of welding parts, as well as welding parts of the stamping processing performance of excellent high strength stainless steel plate and its manufacturing method. Specifically, the contents of C: below 0.02%, N: below 0.02%, Cr: More than 11%, less than 17%, appropriate content of Si, Mn, P, S, Al, Ni, And meet 12≤Cr Mo 1.5Si≤17, 1≤Ni 30(CN) 0.5(MMN Cu)≤4, Cr 0.5(NiCu) 3.3Mo≥16.0, 0.006≤ CN ≤0.030 stainless steel plate heating to 850 ~ 1250℃, Then the heat treatment is carried out at a cooling rate of more than 1℃/s. This can become a high strength stainless steel plate containing 12% volume fraction with martensite structure, over 730MPa high strength, corrosion resistance and bending performance, welding heat affected zone toughness excellent. Using Mo, B, etc., can significantly improve the stamping performance of welding parts.

Oxygen and gas flame can not cut stainless steel plate because stainless steel is not easy to be oxidized. Stainless steel cutting methods generally use laser cutting.

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Stainless steel processing characteristics

Stainless steel processing characteristics Stainless steel processing characteristics are: high cutting temperature, cutting is not easy to break, easy to combine, cutting force, serious hardening, tool wear. Stainless steel refers to alloy steel with chromium content greater than 12% or nickel content greater than 8%. This steel has China's certain corrosion resistance in atmospheric or corrosive environmental media, and can be used at a higher operating temperature (> 450℃). It has very high strength.

Pangyi Metalware (Shanghai) Co., Ltd.


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Pangyi Metalware (Shanghai) Co., Ltd.

Add:No.555 Longpan Road, Malu, Jiading District, Shanghai, China

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