JIS G4305 SUS301J1 Cold-Rolled Stainless Steel Sheet

​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.