Qingyun Hongsheng Machinery Parts Co., Ltd. is one of the most reliable manufacturers and suppliers of heat-resistant steel boiler slider casting plate casting piece in China. We warmly welcome you to wholesale high quality heat-resistant steel boiler slider casting plate casting piece at low price from our factory. If you have any enquiry about quotation, please feel free to email us.
In boilers and high-temperature industrial equipment, the heat-resistant steel sliders need to withstand multiple tests such as high temperatures, oxidation, thermal fatigue and mechanical loads. The choice of material for these sliders directly affects the lifespan and operational stability of the equipment.
Products Description
I. ZG40Cr25Ni20Si2 (2520 slider) Application scenarios: Widely used in heating furnaces, stepping furnaces, ceramic kilns and other high-temperature environments, especially suitable for push-steel type heating furnaces with a temperature below 1150℃. In plate and strip push-steel type heating furnaces (with a temperature range of 1250-1300℃), higher-performance materials such as ZG40Cr25Ni31WNbRe need to be used in the high-temperature section. In the high-temperature section of the plate and strip push-steel type heating furnaces (with a temperature range of 1250-1300℃), Si (1.5-2.5%) enhances the anti-thermal shock property and adapts to frequent cold-hot cycle working conditions. Corrosion resistance: Resistant to sulfuric acid, chloride and other corrosive media, extending the service life of the components. Typical case: The ZG40Cr25Ni20Si2 slider produced by Wuxi Jiasiyao Heavy Machinery Co., Ltd. ensures dimensional accuracy through precise casting technology and achieves stable operation for 2 years or more in the heating furnaces of the metallurgical industry, significantly reducing the risk of steel billet water cooling black marks and surface scratches.
2. ZG40Cr25Ni35Nb (2535 slider) Application scenarios: Suitable for high-temperature environments of 1200-1300℃, such as the high-temperature section of plate and strip heating furnaces, glass melting kilns, etc., replacing traditional materials to extend service life. Material characteristics: Higher thermal resistance: Nb element (0.25-0.5%) refines grains, enhances high-temperature strength and anti-warping performance, and the working temperature is 100-150℃ higher than ZG40Cr25Ni20Si2. Wear resistance: High Cr and Ni content combined with the solid solution strengthening effect of Nb significantly increase the hardness of the material, reducing high-temperature wear. Anti-thermal fatigue: Optimized chemical composition ratio to reduce the risk of thermal stress cracks in cold-hot cycle conditions. Typical case: A steel enterprise used ZG40Cr25Ni35Nb sliders in the high-temperature section of the plate and strip heating furnace, increasing the service life from 1.5 years to 3 years, and reducing maintenance costs by 40%.
3. ZG40Cr28Ni48W5 (2848W5 slider) Application scenarios: Extreme high-temperature environments (1300-1400℃), such as garbage incinerators, furnace crucibles support components, high-temperature heat treatment furnace guides, etc. Material characteristics: Ultra-high thermal resistance: W element (4-5%) significantly improves the high-temperature hardness and anti-warping performance of the material, with a working temperature of up to 1400℃. Oxidation resistance: High Cr (26-30%) and Ni (45-50%) content form a stable oxide film, resisting strong oxidizing atmosphere erosion. Corrosion resistance: Excellent resistance to molten metals, slag and other corrosive media, suitable for complex chemical environments. Typical case: Jiangsu Jin Gu Heavy Machinery Co., Ltd.'s ZG40Cr28Ni48W5 slider operated in the garbage incinerator for 5 years or more without burn damage or deformation, significantly improving the stability of equipment operation.
4. Cobalt-based alloy sliders (Co20, Co40, Co50) Application scenarios: High-temperature environments with extremely high wear resistance requirements, such as ceramic kiln rollers, glass rolling machine guides, etc., with a working temperature of 1000-1200℃. Material characteristics: Ultra-high hardness: The hardness of cobalt-based alloys (HRC 40-50) is significantly higher than chromium-nickel heat-resistant steels, with a wear resistance improvement of 2-3 times. High-temperature strength: Co element stabilizes carbide phases, ensuring the material still has high strength and anti-deformation ability at high temperatures. Corrosion resistance: Exhibits excellent resistance to acidic and alkaline corrosive media, suitable for chemical erosion environments. Typical case: Co40 slider, achieving 4+ years of wear-free operation in ceramic kiln rollers, with a 3-fold longer service life compared to traditional materials.
5. GH3030 Nickel-based High-Temperature Alloy Sliders: Application scenarios: High-temperature components in aviation engines, gas turbines, etc. ranging from 650 to 800°C, as well as high-temperature sealing components for chemical equipment, boiler burners, etc. Material characteristics: High-temperature stability: 80Ni-20Cr solution strengthened alloy, with stable structure and excellent creep resistance. Corrosion resistance: Has extensive resistance to oxidizing and reducing corrosive media, suitable for complex chemical environments. Processing performance: Can be processed into sheet or tube materials through cold and hot processing to meet diverse design requirements. Typical case: A chemical enterprise's boiler burner using GH3030 sliders operated continuously at 800°C for 5 years without deformation or corrosion, significantly enhancing equipment reliability.
6. ZG35Cr26Ni12 Sliders: Application scenarios: Medium-high temperature environments (900-1100°C), such as small heating furnaces, heat treatment furnaces guide rails, etc., in cost-sensitive scenarios. Material characteristics: Cost-effectiveness: Lower Cr and Ni content, with a cost reduction of 20-30% compared to ZG40Cr25Ni20Si2. Temperature resistance: Can reach 1100°C, meeting general industrial heating requirements. Processing performance: Good casting performance, suitable for mass production. Typical case: A mechanical processing enterprise using ZG35Cr26Ni12 sliders achieved stable operation for 1.5 years in a heat treatment furnace, with significant cost-effectiveness.
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1. 20 years of experience in casting cast iron plate, quality assurance, timely delivery
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