What is 0Cr17Ni7Al stainless steel?

0Cr17Ni7Al belongs to a kind of stainless steel, the characteristic 0Cr17Ni7Al is added the precipitation hardening type steel of aluminum, it is used as spring, heating ring and machine parts. Corresponding to Japanese brand SUS631 stainless steel.

What is the metallographic structure of 0Cr17Ni7Al stainless steel?

The tissue is characterized by precipitation hardening.

What are the characteristics of 0Cr17Ni7Al stainless steel?

 0Cr17Ni7Al stainless steel is a kind of dispersion hardened stainless steel, which has the characteristics of high strength, high hardness, fatigue resistance, good corrosion resistance and formability.

Can 0Cr17Ni7Al stainless steel withstand high temperature?

0Cr17Ni7Al stainless steel can withstand high temperature. The performance of 0Cr17Ni7Al stainless steel is still stable at high temperature, and it is rarely deformed. When the high temperature reaches 316°C, the spring performance is still good.

What is the chemical composition of 0Cr17Ni7Al stainless steel?

Manganese Mn:≤1.00

Sulfur S:≤0.030

Phosphorus P :≤0.035

Chromium Cr:16.00~18.00

Nickel Ni:6.50~7.75

Copper Cu:≤0.50

What are the mechanical properties of 0Cr17Ni7Al stainless steel?

Tensile strength σb (MPa): solid solution, ≤1030; aging at 565°C, ≥1140; aging at 510°C, ≥1230

Conditional yield strength σ0.2 (MPa): solid solution, ≤380; aging at 565°C, ≥960; aging at 510°C, ≥1030

Elongation δ5 (%): solid solution, ≥20; aging at 565°C, ≥5; aging at 510°C, ≥4

Reduction of area ψ (%): aging at 565°C, ≥25; aging at 510°C, ≥10

Hardness: solid solution, ≤229HB; aging at 565°C, ≥363HB; aging at 510°C, ≥388HB

How about the heat treatment of 0Cr17Ni7Al stainless steel?

1) Solid solution, rapid cooling at 1000~1100°C;

2) Aging at 565°C, after solution treatment, keep at 760±15°C for 90 minutes, cool to below 15°C within 1 hour, keep for 30 minutes, then heat to 565±10°C for 90 minutes, and air-cool;

3) Aging at 510°C, after solution treatment, keep at 955±10°C for 10 minutes, air-cool to room temperature within 24 hours, cool to -73±6°C, keep for 8 hours, then heat to 510±10°C for 60 minutes, and air-cool.

What is the delivery status of 0Cr17Ni7Al stainless steel?

0Cr17Ni7Al stainless steel is generally delivered in a state of heat treatment, and the type of heat treatment is specified in the contract; if not specified, it is delivered in a state of no heat treatment.

How about the corrosion resistance of 0Cr17Ni7Al stainless steel?

0Cr17Ni7Al stainless steel is a martensitic stainless steel with good corrosion resistance in many environments. The alloy has been developed to resist pitting and crevice corrosion in chloride-containing environments, and against oxidizing environments, such as those found in paper mills and chemical plants. The alloy was also found to be resistant to intergranular corrosion.

How is the weldability of 0Cr17Ni7Al stainless steel?

1Cr17Mn6Ni5N stainless steel has excellent welding performance due to its high content of martensite. The martensitic structure also provides good resistance to intergranular corrosion after welding. This grade of stainless steel is commonly used in the food and beverage industry because of its resistance to food acids and alkaline solutions.

What are the benefits of using 0Cr17Ni7Al stainless steel?

If you are looking for an alloy that can withstand corrosion and wear, 0Cr17Ni7Al stainless steel is a good choice. This material is less strong than 304 stainless steel, but has a lower risk of rust in some environments. Due to its durability and stain resistance, 0Cr17Ni7Al stainless steel is often used in sinks, faucets, and other kitchen fixtures. It is also used in surgical instruments and industrial equipment.

What are the applications of 0Cr17Ni7Al stainless steel?

 0Cr17Ni7Al stainless steel is a material with a wide range of uses and can be used in industries such as aerospace, chemical, petrochemical, paper and metal processing industries. Some of the most common applications for this type of stainless steel include:

- Pressure Vessels: 1Cr17Mn6Ni5N is often used in pressure vessels such as those used in the chemical industry due to its high corrosion resistance and high temperature resistance.

- Piping: This type of stainless steel is also often used in piping because of its resistance to corrosion and high temperatures.

- Heat exchangers: 1Cr17Mn6Ni5N is an ideal material for heat exchangers because of its high thermal conductivity and corrosion resistance.

- Medical equipment: Due to its biocompatibility and corrosion resistance, this stainless steel is often used in medical equipment.

- Aerospace field: This special alloy is also suitable for other fields that require high strength and corrosion resistance.

What are the misunderstandings that 0Cr17Ni7Al stainless steel needs to pay attention to?

There are many myths about stainless steel. Some common misunderstandings about 0Cr17Ni7Al stainless steel are as follows:

1. Myth: Stainless steel is a completely rust-proof material.

Fact: While stainless steel does have excellent corrosion resistance, it's not completely rust-proof. Under certain conditions, such as exposure to salt water or high humidity, 309S stainless steel can rust.

Myth 2: Stainless steel is a maintenance-free material.

Fact: While stainless steel is relatively easy to maintain, it still requires some basic care to keep it looking its best. Regular cleaning and polishing will help prevent rust and other stains on metal surfaces.

3. Myth: Stainless steel is an expensive material.

Fact: Stainless steel is actually quite affordable, especially when compared to other materials like titanium or precious metals.