Introduction to JIS G4304 SUS410 stainless steel

JIS G4304 SUS410 stainless steel is a ferritic stainless steel with excellent performance and wide application fields. It follows the regulations of Japanese Industrial Standard (JIS G4304). The following is a detailed introduction to this stainless steel:

1. Basic overview

Definition and standards: SUS410 stainless steel is a stainless steel grade defined in the Japanese standard JIS G4304. The grade corresponding to the national standard is 1Cr13. This stainless steel is known for its good corrosion resistance and mechanical properties.

2. Chemical composition

The chemical composition of SUS410 stainless steel is precisely controlled to ensure its excellent performance. Its main chemical components include:

Chromium (Cr): 11.5%～14.5%

Nickel (Ni): ≤1.0%

Silicon (Si): ≤1.0%

Manganese (Mn): ≤1.5%

Phosphorus (P): ≤0.04%

Sulfur (S): ≤0.03%

In addition, a small amount of titanium (Ti), niobium (Nb) and other elements may be added to further optimize its performance. The precise ratio of these elements allows SUS410 stainless steel to maintain stable performance in a variety of environments.

3. Physical and mechanical properties

Physical properties:

Density: approximately 7.8g/cm3, similar to other types of stainless steel.

Mechanical properties:

The hardness of SUS410 stainless steel is relatively low, and the Vickers hardness is usually below HRC25, which makes it good ductility and plasticity, making it suitable for various cold working and forming operations.

Tensile strength: generally not less than 550 MPa, showing excellent strength characteristics.

Yield strength: not less than 250 MPa, indicating that it can maintain a stable structure when subjected to pressure.

In addition, SUS410 stainless steel also has good toughness and plasticity, as well as excellent low-temperature performance and fatigue resistance. These characteristics allow it to maintain stable performance under various extreme conditions.

4. Processing and heat treatment

SUS410 stainless steel usually does not require heat treatment because its ferrite structure has good overall properties at room temperature. However, depending on specific application requirements, solution treatment and aging treatment can also be performed to improve its mechanical properties. Solution treatment is to heat stainless steel to austenitizing temperature and then quickly cool it to room temperature, while aging treatment is to heat stainless steel to a lower temperature and maintain it for a period of time to promote the precipitation and hardening of alloy elements.

In terms of processing, SUS410 stainless steel has good machining performance and welding performance. It can be joined by welding processes such as gas tungsten arc welding (GTAW), metal arc welding (MIG) or gas shielded welding (GMAW). At the same time, due to its good plasticity and toughness, it is also suitable for occasions that need to withstand impact and deformation.

5. Application areas

Due to its excellent comprehensive properties, SUS410 stainless steel has been widely used in many fields:

Petrochemical industry: used to manufacture key components such as valves, pipes, and containers.

Food industry: Because of its good corrosion resistance and processing performance, it is used to manufacture kitchenware, food processing machinery, etc.

Medical equipment: used to manufacture high-quality key components such as scalpels and medical equipment.

Architectural decoration: In the field of architectural decoration, SUS410 stainless steel is also used to manufacture various decorative materials and components.

Mechanical processing and manufacturing: High-strength and complex mechanical parts can be manufactured, such as bearings, screws, gears, etc.

SUS410 stainless steel material has shown broad application prospects in many fields with its excellent corrosion resistance and mechanical properties. Its precise chemical composition control, good physical and mechanical properties, and good processing and heat treatment properties together constitute its excellent comprehensive performance. In the future, with the continuous advancement of technology and the growing demand, SUS410 stainless steel is expected to play an important role in more fields.

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