JIS G3103 SB410 is a steel grade specified by the Japanese Industrial Standard (JIS) for use in the fabrication of boilers and pressure vessels. This grade is known for its excellent mechanical properties and weldability, making it suitable for applications that require high strength and pressure resistance.

Chemical Composition:

The chemical composition of JIS G3103 SB410 is carefully controlled to ensure the desired mechanical properties and weldability. The typical chemical composition is as follows:

· Carbon (C): 0.15-0.21%

· Silicon (Si): 0.15-0.35%

· Manganese (Mn): 0.90-1.20%

· Phosphorus (P): ≤ 0.030%

· Sulfur (S): ≤ 0.030%

· Nickel (Ni): ≤ 0.30%

· Chromium (Cr): ≤ 0.30%

· Molybdenum (Mo): ≤ 0.08%

· Copper (Cu): ≤ 0.30%

Mechanical Properties:

The mechanical properties of SB410 are crucial for its application in high-pressure environments. The following are the typical mechanical properties:

· Tensile Strength: 480-620 MPa

· Yield Strength: ≥ 275 MPa

· Elongation: ≥ 22%

· Impact Energy (Charpy V-notch test at 0°C): ≥ 27J

Heat Treatment:

SB410 steel plates are normally supplied in the as-rolled condition. However, they can be normalized if required by the application. The typical heat treatment parameters are:

· Normalizing Temperature: 920-960°C

· Cooling Method: Air cooling

Available Dimensions:

TJC Steel Group offers JIS G3103 SB410 steel plates in a wide range of sizes to meet various project requirements. The available dimensions include:

· Thickness: 6mm-300mm

· Width: 1500mm-4020mm

· Length: 3000mm-18000mm

Low-Temperature Impact Test:

SB410 steel plates are subjected to a low-temperature impact test to ensure their toughness and ductility at sub-zero temperatures. The test is conducted at 0°C, and the material must meet the specified impact energy requirements.

Main Applications:

Due to its excellent mechanical properties and resistance to pressure, JIS G3103 SB410 is widely used in the following applications:

· Boilers

· Pressure Vessels

· Heat Exchangers

· Steam Pipelines

· Pressure Equipment Components

TJC Steel Group Supply Cases:

TJC Steel Group has extensive experience in supplying JIS G3103 SB410 steel plates to various industries. One notable supply case involved the delivery of SB410 plates for a large-scale petrochemical project. The plates were used to fabricate high-pressure vessels, and TJC's ability to provide large, high-quality plates was crucial to the project's success.

In another instance, TJC supplied SB410 steel plates for a power generation facility. The plates were used in the construction of critical boiler components, and TJC's strict adherence to the JIS G3103 standard ensured the safety and reliability of the power plant.

In conclusion, JIS G3103 SB410 is a high-quality steel grade that is trusted for its reliability and performance in demanding applications. TJC Steel Group's expertise in supplying this material makes it a reliable partner for industries requiring high-strength steel plates for critical applications.