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Nitrogen Reinforced Austenitic Xm-19 Light Rod High-Strength Nitronic 50 Rod And Plate
Introduction to Austenitic Stainless Steel XM-19:
XM-19 is a high-performance, corrosion-resistant metallic material belonging to austenitic stainless steel, also known as UNS S20910 or Nitronic 50.
It has high strength, high corrosion resistance, good processing performance and welding performance, and is widely used in various industrial fields, such as oil, natural gas, chemical, shipbuilding and pharmaceutical.
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.
characteristic:
Mechanical properties at room temperature: up to 203mm
Rp0,2: ≥ 365 N/mm²
A: ≥ 35%
Rp1,0: ≥ N/mm²
KV: ≥ 85 J
Tensile strength Rm: 690-950 N/mm ² for thicknesses below 203mm
Brinell hardness: maximum 293 HBW
Performance:
Weldability: No need for PWHT, good
Processability: 4 (1=poor -10=good)
Corrosion resistance: excellent
Forging ability: moderate
Mechanical performance: Good
characteristic:
1. High strength and wear resistance: The design of XM-19 aims to meet the requirements of high load and high wear resistance. Its impact resistance is related to factors such as alloy element content, grain size, and heat treatment process. By adjusting these factors, the impact resistance can be improved. In addition, the lattice structure of XM-19 is face centered cubic, which gives it high plasticity, toughness, and wear resistance, providing a guarantee for its application in various harsh environments.
2. Machinability and Weldability: XM-19 is a nitrogen strengthened austenitic stainless steel with strong machinability and high weldability. Its yield strength is twice that of 316 stainless steel and it has comparable corrosion resistance to 316 stainless steel. Even after extreme molding, XM-19 stainless steel remains non-magnetic.
3. Stress corrosion cracking performance: In specific environments, the cracking resistance of XM-19 stainless steel is between 304 and 316, indicating its good corrosion resistance performance in certain specific environments.
4. Application areas: XM-19 can reduce vehicle weight, fuel consumption, and improve vehicle safety performance in automotive manufacturing. In the field of ocean engineering, such as ships, offshore platforms, etc., they have good resistance to seawater corrosion and fatigue performance. In addition, it also has good corrosion resistance and a long service life in underground facilities, underwater engineering and other fields.
5. Mechanical properties: The tensile strength of XM-19 is 620 MPa, the yield strength is 310 MPa, and the elongation is 35%. These mechanical performance indicators ensure its reliability and safety in various applications.
In summary, XM-19 stainless steel has become the preferred material in multiple industrial fields due to its high strength, good wear resistance, excellent processability and weldability, as well as excellent corrosion resistance in specific environments
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