The JIS G4305 SUS301J1 is a specification for cold-rolled stainless steel sheets that are widely used in various industries due to their excellent mechanical properties and corrosion resistance. This article provides a detailed overview of the chemical composition, mechanical properties, heat treatment conditions, available size range, low-temperature impact testing, primary applications, and supply cases from TJC Steel Group.

Chemical Composition:

The chemical composition of SUS301J1 is carefully balanced to ensure the material's strength and corrosion resistance. The typical chemical composition by weight percentage is as follows:

· Carbon (C): ≤ 0.15%

· Silicon (Si): ≤ 1.00%

· Manganese (Mn): ≤ 2.00%

· Phosphorus (P): ≤ 0.045%

· Sulfur (S): ≤ 0.030%

· Nickel (Ni): 3.50% - 5.50%

· Chromium (Cr): 16.00% - 18.00%

· Nitrogen (N): ≤ 0.25%

· Iron (Fe): Balance

Mechanical Properties:

SUS301J1 offers a good combination of strength and ductility, making it suitable for applications requiring moderate to high strength. The mechanical properties include:

· Tensile Strength: 520 - 850 MPa

· Yield Strength: 270 MPa minimum

· Elongation: 40% minimum

· Hardness: 217 HB maximum

Heat Treatment Conditions:

The material can be supplied in various heat treatment conditions to meet specific application requirements. Common conditions include:

· Solution Annealed: Heat to 1010-1120°C, followed by rapid cooling.

· Cold Worked: The material can be cold-rolled to increase the strength and reduce the thickness.

Available Size Range:

TJC Steel Group offers SUS301J1 in a wide range of sizes to cater to different customer needs. The typical size range includes:

· Thickness: 0.3mm - 3.0mm

· Width: 1000mm - 1500mm

· Length: Customizable based on customer requirements

Low-Temperature Impact Test:

SUS301J1 is subjected to low-temperature impact testing to ensure its toughness and ductility in cold environments. The material typically exhibits good impact strength at temperatures as low as -40°C.

Primary Applications:

Due to its unique properties, SUS301J1 is used in a variety of applications, including:

· Automotive parts

· Architectural components

· Kitchenware

· Medical equipment

· Industrial machinery

TJC Steel Group Supply Cases:

TJC Steel Group has supplied SUS301J1 to numerous clients, including:

· A leading automotive manufacturer for exhaust systems

· A renowned architectural firm for cladding panels

· A kitchenware company for high-quality cutlery

Conclusion:

JIS G4305 SUS301J1 is a versatile cold-rolled stainless steel sheet that offers a combination of strength, corrosion resistance, and formability. TJC Steel Group has a proven track record of supplying this material to various industries, ensuring customer satisfaction through high-quality products and reliable service.