| Customization: | Available |
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| After-sales Service: | Support |
| Type: | Heat Resisting Austenitic Steel |
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1.4742, also known as X10CrAlSi18, represents a distinguished heat-resisting ferritic steel within Fushun's product portfolio. Recognized for its exceptional resistance to high temperatures, this steel grade is an optimal choice for applications demanding sustained thermal endurance. Its robust corrosion resistance, mechanical properties, and precision manufacturing make it a reliable selection for critical uses in heat exchangers, furnace components, and exhaust systems. Should you require further information about this steel grade or related products, please do not hesitate to reach out to us; we stand ready to assist you.
Smelting line: VIM,VAR, IM, ESR, PESR, LF, VD, AOD
Roll line: round & flat diameter 150mm max
Forged line: 800mm max
Heat-treatment line: annealed, quenched tempered, solution
Machining line: Turning, Milling, CNC
| Name | Number | C | Si | Mn max | P max | S max | Cr | Al |
| X10CrAlSi18 | 1.4742 | max 0.12 | 0.7-1.4 | 1.00 | 0.04 | 0.015 | 17-19 | 0.7-1.2 |
| Name | Number | Heat condition | Hardness HB max | Proof strength | Tensile strength |
| X10CrAlSi18 | 1.4742 | +A annealed | 212 | 270 | 500-700 |
Heat resisting steel is a kind of special steel that can maintain good mechanical properties and antioxidant properties under high temperature environment. It has high temperature stability, oxidation resistance and creep resistance, can maintain high strength and hardness at high temperatures, not easy to soften and deformation.
Why choose heat resisting steel?
heat resisting steel at high temperatures to maintain high strength and hardness, will not occur obvious softening and deformation.
2. Antioxidant properties:
heat resisting steel surface to form a dense layer of oxide film, can effectively prevent oxidation reaction, slow down the oxidation rate of the material.
3. Creep resistance:
heat resisting steel at high temperatures can resist plastic deformation and creep phenomenon, to maintain good shape stability and dimensional accuracy.
4. Good processing performance:
heat resisting steel has good plasticity and weldability, can be convenient for hot processing and welding.
heat resisting steel is widely used in aerospace, energy, chemical industry and other fields, mainly including the following aspects:
heat resisting steel used in the manufacture of aero-engine turbine blades, turbine discs, combustion chambers and other components, as well as aerospace spacecraft insulation materials.
2. Energy field:
heat resisting steel used in the manufacture of thermal power plant boiler supercritical and ultra-supercritical boiler piping and heating surface, and nuclear power plant nuclear reactor pressure vessel and fuel components.
3. Chemical industry:
heat resisting steel is used in the manufacture of chemical equipment reactor, separator, oil cracker pipeline, etc., which can withstand high temperature, high pressure and corrosive media.
4. Other fields:
heat resisting steel is also widely used in metallurgy, machinery, automobile and other fields, used in the manufacture of a variety of parts and tools under high-temperature working environment.
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