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ASTM A790 / ASME SA790 S32750 is a seamless ferritic stainless steel tube specifically designed for use in automobiles. It is commonly known as S32750 stainless steel or by its trade name Super Duplex 2507. The material is widely used in various automotive applications due to its exceptional strength, corrosion resistance, and durability.
This tube is manufactured according to the ASTM A790 and ASME SA790 specifications, which outline the requirements for seamless and welded ferritic/austenitic stainless steel tubes for general corrosive service.
The ASTM A790 / ASME SA790 S32750 stainless steel tube offers several key features that make it well-suited for automotive applications:
High Strength: S32750 stainless steel exhibits significantly higher strength compared to traditional stainless steels, making it ideal for demanding automotive components.
Excellent Corrosion Resistance: This stainless steel tube is highly resistant to corrosion in a wide range of aggressive environments, including those encountered in the automotive industry.
Superior Toughness: The material provides outstanding toughness, which ensures the tube can withstand external impacts and vibrations commonly experienced in automotive applications.
Good Weldability: S32750 stainless steel demonstrates good weldability, allowing for easy fabrication of complex automotive structures.
Wide Temperature Range: The material maintains its mechanical properties over a broad temperature range, making it suitable for both high-temperature and low-temperature automotive applications.
The chemical composition of ASTM A790 / ASME SA790 S32750 stainless steel (in weight percentage) is presented in the following table:
| Element | Minimum | Maximum |
|---|---|---|
| Chromium | 24.0 | 26.0 |
| Nickel | 6.0 | 8.0 |
| Molybdenum | 3.0 | 5.0 |
| Nitrogen | 0.24 | 0.32 |
| Carbon | 0.030 | - |
| Silicon | 0.80 | - |
| Manganese | 1.20 | - |
| Phosphorus | - | 0.035 |
| Sulfur | - | 0.020 |
| Copper | - | 0.50 |
Please note that the above composition may vary depending on the steel manufacturer.
The mechanical properties of ASTM A790 / ASME SA790 S32750 stainless steel are given in the following table:
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 795 - 1000 |
| Yield Strength (0.2% offset) | ≥ 550 |
| Elongation (%) | ≥ 15 |
| Hardness (Brinell) | ≤ 310 |
Steel Grade: S32750
The ASTM A790 / ASME SA790 S32750 stainless steel tube finds extensive application in the automotive industry. It is commonly used for the following purposes:
Exhaust Systems: S32750 stainless steel tubes are well-suited for manufacturing exhaust systems due to their high-temperature resistance and excellent corrosion resistance in harsh environments.
Fuel Delivery Systems: The material's resistance to various types of fuels, including gasoline and diesel, makes it suitable for constructing fuel delivery systems, such as fuel tanks and fuel lines.
Hydraulic Systems: S32750 stainless steel tubes are utilized in hydraulic systems where resistance to corrosion and high pressures is crucial.
Structural Components: The superior strength and toughness of this stainless steel make it ideal for structural components in automobiles, ensuring the safety and durability of the vehicle.
Several alternative grades to ASTM A790 / ASME SA790 S32750 stainless steel exist, depending on the specific requirements and environmental conditions. Some potential alternatives include:
It is essential to consult with engineers and experts to determine the most suitable alternative grade for a particular automotive application.
Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.