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Model No: SUH31
JIS G 4311/SUH31/UNS S66009 Heat-resisting steel bars and wire rods
SUH31 is a high-performance heat-resistant steel widely used in various equipment and components in high-temperature environments. It has excellent high-temperature strength, oxidation resistance, and corrosion resistance, and can maintain stable performance under extreme conditions.
Delivery :
FOB
minimum order :
100 kilograms
Supply Ability :
5000Tonkilograms / Month
Stock Time :
7-10Day
Country of Origin :
CHINA
Quantity :
SUH31 is a high-performance heat-resistant steel widely used in various equipment and components in high-temperature environments. It has excellent high-temperature strength, oxidation resistance, and corrosion resistance, and can maintain stable performance under extreme conditions. This article will provide a detailed analysis of the composition, properties, preparation process, and application fields of SUH31 heat-resistant steel.
Application areas of SUH31(UNS S66009) heat-resistant steel
- Aerospace field: SUH31 heat-resistant steel has excellent high-temperature performance and corrosion resistance, and can be used as key structural components in high-temperature environments such as engine components and combustion chambers for aerospace vehicles.
- In the field of energy and chemical engineering: In industries such as petroleum and chemical engineering, high-temperature reactors, heat exchangers, and other equipment often operate in high temperature and high pressure environments. The use of SUH31 heat-resistant steel can improve the safety and service life of these equipment.
- In the field of electricity: SUH31 heat-resistant steel can be used to manufacture key components such as high-temperature heating surfaces and wear-resistant parts in power plant boilers, steam turbines, and other equipment, improving the operational efficiency and reliability of the equipment.
- In the field of mechanical manufacturing: SUH31 heat-resistant steel can be used to make high-temperature resistant and wear-resistant components in mechanical equipment such as high-temperature furnaces and heat treatment equipment, improving the durability and production efficiency of the equipment.
- Other fields: In addition to the above-mentioned fields, SUH31 heat-resistant steel can also be used to manufacture equipment and components in other high-temperature environments, such as metallurgical equipment, glass industry equipment, etc.
Composition of SUH31(UNS S66009) heat-resistant steel
| C | Si | Mn | P | S | Ni | Cr | W |
| 0.35 - 0.45 | 1.5-2.5 | Max 0.6 | Max 0.04 | Max 0.03 | 13-15 | 14-16 | 2-3 |
Mechanical properties of grade SUH31(UNS S66009)
| Assortment | Yield point orProof stress | Tensile strength | Elongation | Reductionof area | Charpy impactstrength |
| - | N/mm² | N/mm² | % | % | J/cm² |
| Bars/Rods Solution treatment | 315 | 690-740 | 25-30 | 35-40 |
Performance of SUH31(UNS S66009) heat-resistant steel
- High temperature strength: SUH31 heat-resistant steel has excellent high temperature strength and can maintain good mechanical properties in high temperature environments.
- Oxidation resistance: Due to its high chromium content, SUH31 heat-resistant steel has excellent oxidation resistance and can maintain stable performance in high-temperature oxidation environments.
- Corrosion resistance: SUH31 heat-resistant steel can resist the erosion of various corrosive media and has good corrosion resistance.
- Thermal stability: SUH31 heat-resistant steel has good thermal stability and can maintain stable performance during long-term use at high temperatures.
- Creep resistance: SUH31 heat-resistant steel has high creep resistance and can maintain stable size and shape in high temperature and high pressure environments.
Preparation process of SUH31(UNS S66009) heat-resistant steel
The preparation process of SUH31 heat-resistant steel mainly includes steps such as steelmaking, casting, and heat treatment. Firstly, the raw materials are melted into molten steel through the steelmaking process, and then the molten steel is poured into castings of the desired shape through casting technology. Next, heat treatment processes such as normalizing and annealing are carried out on the castings to optimize their microstructure and properties. Finally, surface treatment and inspection should be carried out on the castings to ensure that their quality meets the requirements.
International standards and corresponding grades
SUH31 has different grades in different countries and regions, such as:
- Japan:SUH31
- Germany: X50NiCrWV 13-13
- France: Z35CNWS 14-14
- Russia:45 Х 14 Н 14 Н 2 М
- China:45Cr14Ni14W2Mo
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