310S stainless steel pipe is a high temperature stainless steel with excellent high temperature oxidation resistance and corrosion resistance. It is a low carbon version of 310 stainless steel and is suitable for high temperature environments that require good oxidation resistance and corrosion resistance.
American (ASTM) standard: ASTM A213, ASTM A312, ASTM A240 Brand: 310S
European (EN) standard: EN 10095 Brand: 1.4845
Japanese (JIS) standard: JIS G3459, JIS G4304 Brand: SUS 310S
Chinese (GB/T) standard: GB/T 3280, GB/T 4237 Brand: 0Cr25Ni20
German (DIN) standard: DIN 17456, DIN 17458 Brand: X8CrNi25-21
310S stainless steel pipe is a high-temperature stainless steel pipe with excellent performance. The following is a detailed introduction to it:
High-temperature oxidation resistance: 310S stainless steel pipe has excellent high-temperature oxidation resistance, can work stably at high temperature for a long time, and is not easy to be oxidized and corroded. Its oxidation resistance temperature can reach about 1000℃, so it is particularly suitable for use in high-temperature environments.
Mechanical properties: The pipe has excellent mechanical properties, such as high strength, high hardness, and fatigue resistance. These properties enable it to maintain excellent stability under high loads and complex stresses.
Corrosion resistance: 310S stainless steel pipe can resist the erosion of various chemical substances and has good corrosion resistance. This makes it widely used in chemical reaction vessels, pipelines, heat exchangers and other fields.
Chemical composition: Its main components are chromium and nickel, among which the chromium content is high, which can form a dense chromium oxide protective film to effectively prevent oxidation and corrosion. The nickel content is also high, which can improve the corrosion resistance and high temperature resistance of stainless steel. In addition, a small amount of tungsten, molybdenum and other elements are added to further improve its high-temperature strength and oxidation resistance.
The manufacturing process of 310S stainless steel pipe mainly includes hot rolling, cold rolling, welding and other processes. The hot rolling process is to heat the stainless steel plate to a high temperature and press it into a pipe through a rolling mill; the cold rolling process is to press the stainless steel plate through a rolling mill at room temperature to obtain a higher precision pipe; the welding process is to weld the stainless steel pipe to meet the needs of different lengths.
In addition, 310S stainless steel can also use a variety of surface treatment methods such as polishing, sandblasting, pickling, etc. during the processing process to improve its corrosion resistance and decorativeness to meet different appearance and use requirements.
The main chemical composition of 310S stainless steel is as follows:
Chromium (Cr): 24-26%
Nickel (Ni): 19-22%
Carbon (C): ≤ 0.08%
Manganese (Mn): ≤ 2%
Silicon (Si): ≤ 1.5%
Phosphorus (P): ≤ 0.045%
Sulfur (S): ≤ 0.03%
Iron (Fe): Balance
The mechanical properties of 310S stainless steel are as follows:
Tensile Strength: ≥ 515 MPa
Yield Strength: ≥ 205 MPa
Elongation: ≥ 40%
Hardness:
Brinell hardness (HB): ≤ 217
Vickers hardness (HV): ≤ 230
Rockwell hardness (HRB): ≤ 95
Due to its excellent high temperature and corrosion resistance, 310S stainless steel pipes are widely used in the following fields:
Heat treatment equipment: such as furnace tubes, furnaces and heat exchangers.
Chemical industry: such as high temperature reactors, towers and pipelines.
Petroleum industry: such as high temperature equipment and pipelines in refineries.
Electric power industry: such as boilers and thermal power equipment.
Building materials: building components used in high temperature environments.
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