022Cr25Ni6Mo2N is suitable for use in high temperature environments

Mondo Technology Updated on 2024-02-17

1. Product introduction.

022Cr25Ni6Mo2N is a stainless steel material with excellent corrosion resistance and high strength. Its main chemical components include: C 003,si≤0.60,mn≤2.00,p≤0.035,s≤0.015,cr=22.0-24.0,ni=6.0-7.0,mo=1.5-2.5,n=0.14-0.20。

2. Detailed introduction.

1.Features:

It has excellent corrosion resistance and can resist the corrosion of most chemical media, including sulfuric acid, phosphoric acid, etc.;

It has good high-temperature strength and heat resistance, and is suitable for use in high-temperature environments;

It has excellent cold working performance and can be used for various forming processes;

It has a duplex structure, which not only has the excellent plasticity and toughness of austenite, but also has the high hardness and wear resistance of ferrite.

2.Applications:

022Cr25Ni6Mo2N is widely used in chemical, shipbuilding, electric power, papermaking, food and other fields, such as storage tanks, heat exchangers, petrochemical equipment, food processing equipment, etc.

3. Introduction of all parameter data.

Density: 798g/cm³

Tensile strength: 650MPa

Yield strength: 275MPa

Elongation: 30%.

Hardness: 187HB

Fourth, the problems encountered in practical use and solutions.

1.Some areas are prone to welding discoloration, and the solution is to adopt an appropriate welding process during the welding process to control the welding current, voltage and preheating temperature to avoid discoloration caused by excessive temperature.

2.In high-temperature environments, intergranular corrosion may occur, and the solution is to reduce the operating temperature or increase the amount of carbon added to improve corrosion resistance.

Fifth, the product form.

022Cr25Ni6Mo2N products mainly include steel plates, round bars, forged rods, forging rings, wires, seamless pipes and welded pipes, etc., which can be customized according to customer needs of various specifications and shapes.

In the industrial field, 022Cr25Ni6Mo2N is favored for its excellent performance and wide range of applications. In the future, with the continuous advancement of technology and the expansion of application fields, this duplex stainless steel will show its unlimited potential in more fields.

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