Jiangsu Zhonggongte Metallurgical Technology Co., Ltd.
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UNS S20910 (XM-19) is a high-strength, highly corrosion-resistant, multi-purpose stainless steel material commonly used in applications such as marine, chemical processing, food processing, oil and gas, and high temperature. It has good tensile strength, corrosion resistance, and high temperature stability, making it suitable for various high demand industrial applications, especially in applications involving corrosive media and high temperature environments.
Chemical composition table %
| element | C | Si | Mn | P | S | Cr | Ni | Mo | N | V |
| content | ≤0.06 | ≤1.00 | 0.50~4 | ≤0.040 | ≤0.030 | 13~23.50 | 17~23 | 2~3 | 0.20~0.4 | 0.10~0.50 |
These chemical components have a significant impact on the properties of XM-19 stainless steel. For example, high levels of chromium and nickel provide excellent corrosion resistance, especially the ability to resist oxidation and reduction corrosion; The addition of molybdenum further enhances corrosion resistance, especially in resisting pitting and crevice corrosion; The addition of nitrogen increases the strength and hardness of the material. In addition, the addition of vanadium helps to improve the hardness and wear resistance of the material. These characteristics make XM-19 stainless steel suitable for industries such as aerospace, shipbuilding, chemical equipment, and marine engineering.
The main features of UNS S20910 include high corrosion resistance, high strength, good welding performance, good processability, and a wide range of applications.
1. High corrosion resistance: UNS S20910 contains high concentrations of nickel and chromium elements, which can effectively resist oxidation and corrosion, making it perform well in various acidic and alkaline media.
2. High strength: After heat treatment, UNS S20910 has high strength, with tensile strength and yield strength higher than general austenitic stainless steel.
3. Good welding performance: UNS S20910 can be connected using various welding methods, such as tungsten inert gas welding, melting electrode gas welding, etc., and can still maintain good corrosion resistance and mechanical properties after welding.
4. Good processing performance: UNS S20910 can be subjected to cold and hot processing, and its excellent performance can still be maintained after processing.
5. Wide applicability: UNS S20910 is suitable for various high-temperature, high-pressure, and highly corrosive environments and conditions, such as petroleum, chemical, marine engineering, pharmaceuticals, and other fields.
In summary, UNS S20910 is a stainless steel material with high corrosion resistance and strength
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