What is X17CRNI16-2?

X17CRNI16-2 is a stainless steel material, also known as 1.4057 stainless steel. It is a type of chromium nickel stainless steel. It has high corrosion resistance and abrasion resistance. It is often used in mechanical parts such as tools, valves, bearing and pump wheels, as well as manufacturing chemical and pharmaceutical equipment. The chemical composition and mechanical properties of this material are as follows:

What is the chemical composition of X17CRNI16-2?

Carbon (C): 0.15%

Silicon (SI): 1.00%

Manganese (mn): 1.50%

Phosphor (P): 0.04%

Sulfur (S): 0.03%

Chromium (CR): 15.50% -17.50%

Nickel (Ni): 1.50% -2.50%

What is the mechanical performance of X17CRNI16-2?

Tensor strength: 750 MPa

Success intensity: 450 mPa

Extension rate:> 14%

Hardness (Brinell hardness): 210 HB

What are the advantages of X17CRNI16-2?

Good corrosion resistance: X17CRNI16-2 contains alloy elements such as chromium and nickel, which can effectively resist corrosion and oxidation, so it has high corrosion resistance.

High strength: The tensile strength and yield strength of X17CRNI16-2 are high, which can meet some high-intensity requirements.

Good processing performance: X17CRNI16-2 has good processing performance, and it is easy to perform cold processing and heat processing.

Easy to weld: X17CRNI16-2 can be welded through conventional welding processes.

What are the disadvantages of X17CRNI16-2?

Cracking and cracking of stress corrosion: X17CRNI16-2 is easily corroded and cracking under high temperature and high stress, so these conditions need to be avoided during use.

Poor abrasion resistance: The hardness of the X17CRNI16-2 is relatively low, and it is easy to suffer from wear and scratches. Therefore, surface treatment needs to be performed to improve its wear resistance.

Easy deformation: X17CRNI16-2 has certain plasticity and ductility, but it is also easy to produce plastic deformation and bending deformation.

How is X17CRNI16-2 hot treatment?

X17CRNI16-2 stainless steel can be treated through a variety of thermal treatment processes to improve its mechanical properties and corrosion resistance. Here are some common thermal treatment processes:

Soluble annealing treatment: Heat the X17CRNI16-2 to the temperature range of 800 ° C-1100 ° C for a period of time, and then quickly cool down, which can eliminate the stress inside the material and improve its plasticity and extensibility.

Memorability treatment: Heat the X17CRNI16-2 to the temperature range of 1050 ° C-1150 ° C for a period of time, and then quickly cool down, which can be evenly cooled, which can be evenly cooled to improve its strength and corrosion resistance.

Solid soluble-precipitation reinforcement treatment: On the basis of solid soluble annealing treatment, heated X17CRNI16-2 to 550 ° C-600 ° C for a period of time, and then quickly cool down, which can form precipitated hardened phase and improve its corrosion resistance and strength.

How to welded X17CRNI16-2?

X17CRNI16-2 can be welded through conventional welding processes, including handmade arc welding, gas protection welding, plasma welding and laser welding. But you need to pay attention to the following points:

When welding, you should choose the appropriate welding material and welding process to ensure the quality of the welding joint.

Before welding, the welding material should be fully prepared and cleaned to remove the oil and impurities on the surface.

When welding, pay attention to control the welding temperature and welding speed to avoid adverse phenomena such as thermal cracks and deterioration.

After welding, the welded joint should be fully ordered and thermal treatment to eliminate the stress generated by the welding and improve its performance.

How about the surface treatment of X17CRNI16-2?

The surface of the X17CRNI16-2 stainless steel can be treated with different treatment methods and has different surface states. Here are some common surface treatment methods and their characteristics:

Cold -rolled surface: Cold rolling surface refers to the smooth surface and a certain brightness after the surface of cold rolling processing, but it is not as smooth as polishing. Cold rolling surfaces are mainly used for some mechanical processing and molding processing that requires higher.

Hot -rolled surface: Hot -rolled surface refers to the surface after hot rolling processing. It has a certain luster and roughness, but the surface quality is not as good as the cold -rolled surface and polished surface. The surface of the hot rolling surface is mainly used for some general processing without required surface smoothness.

Following surface: The polishing surface refers to the surface after mechanical polishing, chemical polishing, etc., with high smoothness and gloss, but the cost is high. The polishing surface is mainly used for some occasions that require high light cleanliness, such as food processing equipment, medical equipment, etc.

Mirror surface: Mirror surface refers to the surface after high temperature annealing, mechanical polishing, and electrolytic polishing. It has very high smoothness and gloss. You can see your reflection. Mirror surface surfaces are mainly used for some high requirements, such as semiconductor industry, high -end furniture, etc.

What are the uses of X17CRNI16-2?

X17CRNI16-2 Stainless steel has excellent characteristics such as corrosion resistance, heat resistance and abrasion resistance, so it is widely used in the following fields:

Chemical industry: X17CRNI16-2 stainless steel can be used to make various chemical equipment, pipelines, valves, etc., its excellent corrosion resistance can effectively prevent chemical media from corrosion and damage to the equipment.

The food processing industry: X17CRNI16-2 stainless steel can be used to make various food processing equipment and appliances, such as tools, cutting boards, and workbenches. Its excellent abrasion resistance and sanitary performance can ensure the quality and safety of food processing.

Medical industry: X17CRNI16-2 stainless steel can be used to manufacture medical devices and appliances, such as surgery knives, tweezers, needles, etc., its corrosion resistance and hygiene performance can ensure the safety and hygiene of medical equipment.

The aerospace industry: X17CRNI16-2 stainless steel can be used to manufacture various aerospace equipment and components, such as engine blades, turbine disks, aviation bearing, etc., its high strength and corrosion resistance can meet the high requirements of the aerospace industry.

Energy industry: X17CRNI16-2 stainless steel can be used to make various energy equipment and pipelines, such as nuclear power stations reactors, oil and gas pipelines, etc., which can ensure the safety and reliability of energy equipment for energy equipment.