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Information Name: | Japanese stainless steel SUS440.ABC |
Published: | 2007-05-14 |
Validity: | 9999 |
Specifications: | According to customer requirements |
Quantity: | 0.00 |
Price Description: | Inquiry calls |
Detailed Product Description: | 440A quench hardening performance, high hardness, compared with 440B 40C steel, steel and high toughness. 440B for cutting tools, measuring tools and bearings. Than the 440A steel, high hardness, high toughness steel than 440C. For cutting tools, valves, 440C has all stainless steel, heat-resistant steel in the highest hardness. For nozzles, bearings .440 F: 440C steel to improve the performance of the steel-cutting. For automatic lathes. Martensitic stainless steel and ordinary steel with through hardened to achieve the same hardening properties, it can select the grade and heat treatment conditions to get a wider range of different mechanical properties. Martensitic stainless steel to distinguish from large areas, are Fe - Cr - C system stainless steel. Then can be divided into martensite martensitic chromium stainless steel and nickel chrome stainless steel. Chromium in the martensitic chromium stainless steel, carbon and molybdenum and other elements of the trend in intensity and in the martensitic chromium nickel stainless steel to add strength characteristics are described below. Martensitic chromium stainless steel in quenched - tempered conditions, increasing the chromium content can increase the ferrite content, which will reduce the hardness and tensile strength. Low-carbon martensitic chromium stainless steel in the annealed condition, when the chromium content increases, the hardness has increased, while the elongation decreased slightly. In the chromium content under certain conditions, the carbon content increases the hardness of steel after quenching also increases, while the plasticity decreases. The main purpose of molybdenum added to increase the strength of steel, the hardness and the secondary hardening effect. During low-temperature quenching, add effects of molybdenum is very obvious. Content is usually less than 1%. In the martensitic chromium nickel stainless steel with a certain amount of nickel in steel can reduce the δ ferrite content, get the maximum hardness of the steel. Martensitic stainless steel's chemical composition, in 0.1% -1.0% C, 12% -27% Cr based on the combination of different components to add molybdenum, tungsten, vanadium, and niobium and other elements. Organizational structure of the body-centered cubic structure, which has drastically declined in the high temperature strength. While below 600 ℃, high temperature strength of stainless steel has the highest creep strength is the highest. |
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