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316N stainless steel corresponding grade

material

316N

 

GB-T

ASTMA

UNS

JIS

DIN

JA

0Cr17Ni12M

S31651

316N

sus316n

/1.4406

X5CrNiMo17-12-2

Chemical composition of 316N stainless steel

The chemical composition of 316N stainless steel plays a vital role in determining its unique properties. The chemical composition of 316N stainless steel gives it superior corrosion resistance compared to other grades, making it suitable for a wide range of applications across industries ranging from chemical processing plants to marine environments. The specific composition of 316N stainless steel is as follows:

material

316N

chemical composition

マン

P

S

クロム

モー

N

≤0.08

≤1.00

≤2.00

≤0.045

≤0.030

16.00~18.00

10.00~13.0

2.00~3.00

0.10~0.16

Mechanical properties of 316N stainless steel

material

316N

mechanical properties

tensile strength (RM/MPa)

elongation strength (Rp0.2MPa)

Elongation A/%

Reduction of area (Z/%)

Delivery status

550

275

35

50

solid solution treatment of metal, solution pickling of plate

Physical properties of 316N stainless steel

The physical properties of 316N stainless steel make it a versatile and durable material for a variety of applications. The specific performance is as follows:

material

316N

physical properties

Density/kg/dm3

Specific heat capacity (0~100℃/kg/kg.k)

Thermal conductivity /w/(m.k)100°℃

thermal conductivity/w/(m.k)500℃

Resistivity(20℃)

/(Ω.mm2/m)

longitudinal elastic modulus(20℃)/GPa

8

0.5

16.3

21.5

0.73

200

Heat Treatment of 316N Stainless Steel

Heat treatment is a key process to enhance the performance of stainless steel, and 316N stainless steel is no exception. By subjecting the alloy to specific heating and cooling procedures, its mechanical strength and corrosion resistance can be further improved. The specific parameters are as follows:

material

316N

mechanical properties

Hardness HBW≤

hardness HRB≤

Heating temperature

Heating method

Other It

solid solution 217

95

1010~1150

fast cooling

hot and cold rolled plate solid solution 550217HBW 95HRB 220HV

Welding of 316N stainless steel

Welding plays a vital role in the fabrication of stainless steel components, and 316N stainless steel is no exception. This particular grade has excellent solderability, making it a popular choice for a variety of applications.

When welding 316N stainless steel, it is important to select the proper filler material. Typically, austenitic stainless steels such as 316N are welded with matching filler metals such as AWS E316L or ER316L. These packings provide good corrosion resistance and maintain joint integrity.

Preparation before starting the welding process is key. The surface to be welded should be clean and free of contaminants to ensure a strong and durable weld. In addition, proper shielding gas should be used during welding to prevent oxidation and improve weld quality.

During the welding process, maintaining a controlled heat input is critical to prevent excessive deformation or stress of the material. Low heat input and techniques such as backstepping or shot peening are recommended to minimize distortion.

Post-weld treatments can also enhance the performance of 316N stainless steel welded joints. Post-weld annealing or solution annealing helps to relieve residual stresses and restore corrosion resistance in the affected areas.

Understanding proper welding techniques for 316N stainless steel allows manufacturers to create high-quality structures with excellent mechanical properties and corrosion resistance.

316N stainless steel processing

Machining plays a vital role in the production and fabrication of stainless steel components, including 316N stainless steel. With its excellent corrosion resistance and high strength properties, 316N stainless steel is widely used in various industries such as chemical processing, food processing and marine applications.

There are some important considerations to keep in mind when machining 316N stainless steel. The first and most important thing is to choose the right cutting tool. Due to their higher hardness compared to other types of stainless steel, it is often recommended to use carbide or ceramic inserts for machining operations.

Another key factor is maintaining proper coolant flow during machining. This helps reduce heat buildup and increases tool life while ensuring a good surface finish on the workpiece. Additionally, controlling cutting speed and feed is critical to achieving the best results without causing excessive tool wear or work hardening of the material.

Also, it is worth noting that 316N stainless steel is prone to work hardening during machining. Therefore, frequent annealing may be required throughout the process to maintain processability.

Careful selection of cutting tools, proper coolant flow control, and consideration of work-hardening tendencies through annealing where required; allow efficient machining of 316N stainless steel while producing high-quality components for a variety of applications in different industries.

Corrosion resistance of 316N stainless steel

One of the most important properties of 316N stainless steel is its excellent corrosion resistance. This makes it a popular choice for applications where exposure to harsh environments or corrosive substances is expected.

Due to the addition of nitrogen, 316N stainless steel is more resistant to pitting and crevice corrosion than other types of stainless steel. Pitting corrosion occurs when small pits or holes form in the surface of a material, compromising its integrity. Crevice corrosion, on the other hand, occurs in small spaces or gaps where oxygen supply is limited.

In addition to its ability to withstand pitting and crevice corrosion, 316N stainless steel has excellent resistance to general corrosion caused by chemicals such as acids, alkalis, and chlorides. It can withstand high temperatures and maintain structural integrity even in harsh environments.

This superior corrosion resistance makes 316N stainless steel ideal for a variety of industries including marine, chemical processing, pharmaceutical, food processing equipment manufacturing, and more.

Application of 316N stainless steel

316N stainless steel offers a wide range of applications due to its unique properties. A key application is in the automotive industry, for components such as exhaust systems and catalytic converters. Its high corrosion resistance makes it ideal for withstanding harsh environmental conditions.

Another important application is the manufacture of chemical processing equipment. The superior corrosion resistance of 316N stainless steel ensures that it can withstand exposure to a wide range of chemicals, making it suitable for use in reactors, storage tanks and piping.

In the food and beverage industry, 316N stainless steel is widely used for its hygienic properties. It is commonly found in equipment such as brewing tanks, dairy processing equipment and food preparation surfaces.

The medical field also benefits from the use of 316N stainless steel. It is frequently used in surgical instruments due to its excellent biocompatibility and resistance to sterilization processes.

Additionally, this type of stainless steel finds application in marine environments due to its ability to resist corrosion by salt water. It can be found in ship fittings, propellers, and underwater structures.

These are just a few examples of the many different applications in which 316N stainless steel excels. Its combination of strength, durability, and corrosion resistance makes it ideal for a variety of industries where reliability under challenging conditions is critical.

In summary, with its unique chemical composition and physical properties such as high tensile strength and excellent corrosion resistance,

316N stainless steel has a wide range of advantages in different applications. From marine environments to chemical plants,

This versatile material has proven itself time and time again. Wherever you need strong building materials

Still a dependable component that can withstand harsh conditions, consider taking advantage of the superior qualities of 316N stainless steel in your next project. Its durability and longevity certainly make it worth your investment!