632 stainless steel is a high-temperature stainless steel with good corrosion resistance, which belongs to ferritic stainless steel. Its main components are nickel, chromium and copper, with a small amount of elements such as lanthanum, titanium and niobium added. 632 stainless steel has good oxidation resistance and heat resistance, and can maintain good mechanical properties and corrosion resistance in high temperature environments. It is often used in the manufacture of components and equipment that operate under high temperature conditions.

Chemical composition of 632 stainless steel

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Mechanical properties of 632 stainless steel

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Physical properties of 632 stainless steel

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Welding of 632 stainless steel

Stainless steel welding refers to the process of joining stainless steel materials together using welding methods. Stainless steel materials have the advantages of corrosion resistance, oxidation resistance, high strength, etc., so they are widely used in many fields.

Stainless steel welding can use a variety of methods, common ones include manual arc welding, TIG argon arc welding, MIG/MAG gas shielded welding, etc. The selection of the appropriate welding method depends on the type of stainless steel material, thickness, welding requirements and other factors.

Processing of 632 stainless steel

632 stainless steel is a high-strength stainless steel material, and its processing method is as follows:

Cutting: Use cutting machines, such as shears, electric cutting machines, etc., to cut the 632 stainless steel plate according to the required size.

Bending: Use mechanical bending or cold bending to bend the 632 stainless steel sheet into the desired shape, and you can use bending machines, plate rolling machines and other equipment.

Drilling: use tools such as electric drills and milling machines to perform drilling operations on 632 stainless steel to make holes.

Welding: use appropriate welding equipment and welding materials to weld 632 stainless steel, TIG welding, MIG/MAG welding, arc welding and other methods can be used.

Sanding: Use a grinding wheel or sandpaper to sand the processed 632 stainless steel to achieve a smooth surface effect.

Surface treatment: Surface treatment of 632 stainless steel, such as painting, coating, chrome plating, etc., to enhance its corrosion resistance and aesthetics.

Processing other shapes: According to the needs, 632 stainless steel products of various shapes can be produced by CNC machining, turning, milling and other methods.

Oxidation resistance of 632 stainless steel

632 stainless steel is a high strength, high corrosion resistance austenitic stainless steel material. Its antioxidant properties mainly depend on its composition and organizational structure.

The main components of 632 stainless steel include elements such as chromium, nickel, molybdenum and iron. Among them, chromium is the main element to improve the oxidation resistance of stainless steel. It can react with oxygen in the air to form a dense chromium oxide film to prevent further oxidation reaction. 632 stainless steel generally contains 14.0-16.0 chromium, which makes it have good oxidation resistance.

In addition, 632 stainless steel also contains 6.50-7.75% nickel and 2%-3% molybdenum. The presence of nickel can enhance the oxidation resistance of stainless steel and improve its corrosion resistance. The addition of molybdenum can improve the oxidation resistance of stainless steel in high temperature and high oxygen environment.

In addition, the structure of 632 stainless steel also affects its oxidation resistance. Through proper heat treatment process, dense intergranular phase precipitation can be obtained, and the oxidation resistance of the material can be improved.

Heat resistance of 632 stainless steel

632 stainless steel is an austenitic stainless steel material with good heat resistance. Its main alloying elements are chromium, nickel, molybdenum and aluminum.

632 stainless steel has the following heat resistance properties:

High-temperature strength: 632 stainless steel still has high strength and rigidity in high-temperature environments, and can withstand large loads and vibrations;

Oxidation resistance: 632 stainless steel has good oxidation resistance, which can prevent oxidation reaction on the metal surface in high temperature environment, thereby prolonging the service life of the material;

Creep resistance: 632 stainless steel can resist creep phenomenon at high temperature and keep the shape and size of the material stable;

Hydrogen corrosion resistance: 632 stainless steel has good hydrogen corrosion resistance, and it is not prone to hydrogen embrittlement and hydrogen damage under high temperature and high pressure or hydrogen-containing environment;

Thermal fatigue resistance: 632 stainless steel can maintain good mechanical properties under cyclic heat shrinkage and cooling conditions, and is not prone to thermal fatigue damage.

Generally speaking, 632 stainless steel has high heat resistance and can maintain good performance and service life in high temperature environments.

Cleaning and maintenance of 632 stainless steel

Stainless steel is a metal material with corrosion resistance, but long-term use will produce dirt and water stains, affecting its beauty and durability. Therefore, regular cleaning and maintenance of stainless steel is essential. Here’s how to clean and maintain stainless steel:

Daily Cleaning: Use a mild detergent and a soft cloth or sponge to clean stainless steel surfaces. Alternatively, some household products such as rubbing alcohol, vinegar or lemon juice can be used to wipe down the stainless steel surface.

Avoid Scratching: Avoid using hard brushes or abrasives, these may scratch the stainless steel surface. Wipe with a soft cloth, following the grain direction of the stainless steel.

Remove water stains: If there are water spots on the stainless steel surface, you can use diluted vinegar or lemon juice to wipe it. Then wipe dry with clean water.

Dealing with stubborn stains: If some stains cannot be removed by ordinary cleaners, special stainless steel cleaners can be used. Use as directed and wipe clean.

Prevent fingerprints: If the stainless steel surface is prone to fingerprints, you can use some anti-fingerprint coating products, which can reduce fingerprints and make cleaning easier.

Regular Maintenance: The surface of stainless steel will have a luster, and the use of stainless steel conditioner can help maintain its luster. Use according to product directions and spread evenly over stainless steel surfaces with a soft cloth.

Avoid Corrosive Substances: Avoid using corrosive substances such as bleach or chlorides as these can be harmful to stainless steel.

The use of 632 stainless steel

Stainless steel is a metal material with corrosion resistance, high strength and high temperature resistance, which is widely used in various fields. Here are some common uses of 632 stainless steel:

Application in high temperature environment: 632 stainless steel has excellent high temperature performance and is suitable for making high temperature stoves, burners, heat exchangers, etc.

 

Chemical industry: 632 stainless steel has good corrosion resistance and is widely used in chemical equipment, pipes, valves, etc. with corrosive media.

Marine engineering: Because 632 stainless steel has the characteristics of anti-seawater erosion, it is suitable for making ship accessories, offshore platforms, offshore oil equipment, etc.

Architectural decoration: 632 stainless steel has good aesthetics and weather resistance, and is often used to make stair handrails, railings, door and window hardware, etc.

Food processing and catering industry: 632 stainless steel meets food hygiene standards and is widely used in food processing equipment, kitchen utensils, tableware, etc.

Medical equipment: 632 stainless steel has good corrosion resistance and biocompatibility, and is suitable for making medical equipment such as surgical instruments and implants.

Automobile manufacturing: 632 stainless steel has high strength and wear resistance, and is suitable for making auto parts, exhaust pipes, body decoration, etc.