What is 4Cr13 stainless steel?

4Cr13 stainless steel is a kind of martensitic stainless steel. Because of its large austenite content, it has relatively excellent comprehensive mechanical properties. Therefore, it is also commonly used in parts, tools and medical equipment in various construction projects.

What is the standard of 4Cr13 stainless steel?

4Cr13 stainless steel is a stainless steel that complies with the Chinese GB/T 1220-1992 standard.

What are the main characteristics of 4Cr13 stainless steel?

4Cr13 stainless steel is a versatile corrosion resistant alloy with a wide range of uses. Its main feature is its high corrosion resistance, which makes it ideal for use in environments where there is a risk of exposure to corrosive materials. 4Cr13 stainless steel also has high heat resistance, making it ideal for use in high temperature applications. Additionally, 304n stainless steel has a low coefficient of thermal expansion, which means it will not expand or contract significantly when exposed to temperature changes. This makes it ideal for applications requiring tight dimensional tolerances.

What is the chemical composition of 4Cr13 stainless steel?

4Cr13 stainless steel is a martensitic alloy with high chromium content. The composition of 4Cr13 stainless steel makes it more resistant to pitting and crevice corrosion than other austenitic grades of stainless steel. The specific chemical composition is as follows:

Carbon C:0.36~0.45

Silicon Si:≤0.60

Manganese Mn:≤0.80

Sulfur S:≤0.030

Phosphorus P :≤0.035

Chromium Cr:12.00~14.00

Nickel Ni: allowed to contain ≤0.60

What are the mechanical properties of 4Cr13 stainless steel?  

Tensile strength σb (MPa): quenched and tempered, ≥735

Conditional yield strength σ0.2 (MPa): quenched and tempered, ≥540

Elongation δ5 (%): Quenching and tempering, ≥12

What are the physical characteristics of 4Cr13 stainless steel?

Hardness: annealed, ≤201HB; quenched and tempered, ≥50HV

Metallographic structure: The structure is characterized by martensitic type.

Annealing: general annealing adopts 780-800 degrees, heat preservation for 4-6 hours, at ≤50 degrees per hour, cools to 550 degrees and leaves the furnace for air cooling, isothermal annealing adopts 700-800 degrees for 2-4 sales, and then heats up for 670-720 degrees , kept for 2-4 hours, cooled to 500 degrees at a cooling rate of ≤50 degrees per hour and air-cooled, and the annealed hardness was 241-197HB

What are the thermal properties of 4Cr13 stainless steel?

4Cr13 stainless steel is a martensitic stainless steel with good thermal and mechanical properties. It has a higher carbon content than 410 and 416 stainless steels and a lower thermal conductivity than austenitic stainless steels. The combination of these properties makes 4Cr13 stainless steel suitable for applications where high temperatures are encountered.

What is the forging performance of 4Cr13 stainless steel?

There are several key properties that make 4Cr13 stainless steel an ideal metal for forging. On the one hand, it has excellent mechanical properties. This means it is easy to shape and not easily deformed. In addition, 4Cr13 stainless steel has a high melting point, which is very suitable for use in high temperature environments. Finally, the metal is highly resistant to corrosion, making it ideal for applications that require exposure to chemicals or other corrosive materials. All of these properties make 4Cr13 stainless steel an excellent choice for a variety of forging applications.

What is the heat treatment of 4Cr13 stainless steel?

4Cr13 stainless steel is a martensitic stainless steel that is widely used. The steel is known for its high strength and good corrosion resistance. Steel can be heat treated to increase its hardness and strength.

Heat treatment specifications:

Heat treatment specifications: 1) annealing, slow cooling at 800~900°C or rapid cooling at about 750°C; 2) quenching, oil cooling at 1050~1100°C; 3) tempering, rapid cooling at 200~300°C.

What are the advantages of 4Cr13 stainless steel?

4Cr13 stainless steel is a martensitic alloy widely used in many industries for its excellent corrosion resistance and high strength properties. Some of the key benefits of 4Cr13 stainless steel include:

• Excellent Corrosion Resistance: This alloy has excellent resistance to a wide variety of corrosive environments, making it ideal for many industries.

• High Strength: The high strength of this alloy makes it ideal for structural applications. 

• Good weldability: The alloy has good weldability and is suitable for various manufacturing processes.

Why is 4Cr13 stainless steel so popular?

There are many reasons why 4Cr13 stainless steel is so popular. One of the reasons is that it is very strong and durable. It is also resistant to corrosion and rust, which makes it ideal for use in many different environments. Additionally, 4Cr13 stainless steel is easy to clean and maintain, which makes it an excellent choice for many applications.

What are the applications of 4Cr13?

4Cr13 Properties After quenching, the hardness is higher than that of 3Cr13, and the corrosion resistance is good. It is more commonly used as parts such as hot oil pumps, valve plates, valve bearings, medical equipment, and springs with high hardness and high wear resistance.

How to maintain 4Cr13 stainless steel?

To clean 4Cr13 stainless steel use only mild soap or detergent and warm water. Avoid harsh chemicals or abrasives as they can damage the finish. To remove stubborn stains, use a soft cloth dampened with white vinegar. Rinse with clean water and dry with a soft towel. For tougher stains, you may want to use a stainless steel cleaner/polish.

In summary, 4Cr13 stainless steel is a versatile and cost-effective material that can be used in many applications. Its strength and corrosion resistance make it ideal for a variety of environments. With its low carbon content and toughness at extreme temperatures, 4Cr13 stainless steel is often the material of choice for many industrial projects. Whether you're looking for a durable solution to your needs, or just wondering what makes this metal so special, understanding the properties of 4Cr13 stainless steel is essential.