JIS G4305 SUS304 Cold-Rolled Stainless Steel Sheet

​The JIS G4305 SUS304 cold-rolled stainless steel sheet is a versatile and widely used steel product in the industry, renowned for its excellent corrosion resistance and outstanding mechanical properties. This article aims to provide a comprehensive overview of the product, including its chemical composition, mechanical properties, heat treatment conditions, available size range, low-temperature impact testing, primary applications, and case studies from TJC Steel Group.
Chemical Composition:
The chemical composition of SUS304 is carefully balanced to ensure the material's superior performance. According to JIS G4305, the typical chemical composition is as follows:

• Carbon (C): ≤ 0.08%
• Silicon (Si): ≤ 1.00%
• Manganese (Mn): ≤ 2.00%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.030%
• Chromium (Cr): 18.00% - 20.00%
• Nickel (Ni): 8.00% - 10.50%
• Nitrogen (N): ≤ 0.10%
• Iron (Fe): Balance

Mechanical Properties:
SUS304 exhibits excellent mechanical properties, which make it suitable for a variety of applications. The typical mechanical properties are as follows:

• Tensile Strength: ≥ 520 MPa
• Yield Strength (0.2% offset): ≥ 205 MPa
• Elongation (in 50mm): ≥ 40%
• Hardness: ≤ 95 HRB

Heat Treatment Conditions:
The material can be supplied in various heat treatment conditions, including:

• Solution Annealed: The steel is heated to a high temperature and then rapidly cooled to achieve a uniform microstructure and maximum corrosion resistance.
• Cold Rolled: The steel is rolled at room temperature to improve the strength and surface finish.

Available Size Range:
TJC Steel Group offers JIS G4305 SUS304 cold-rolled stainless steel sheets in a wide range of sizes to meet customer requirements. The typical size range is as follows:

• Thickness: 0.3mm - 3.0mm
• Width: 1000mm - 1500mm
• Length: Customizable

Low-Temperature Impact Test:
SUS304 demonstrates good toughness even at low temperatures. The material can be supplied with a low-temperature impact test to ensure its performance in cryogenic applications.
Primary Applications:
Due to its excellent corrosion resistance and mechanical properties, SUS304 is widely used in various industries, including:

• Architecture: Cladding, roofing, and façade applications.
• Automotive: Exhaust systems, mufflers, and trim components.
• Food Processing: Equipment and containers.
• Medical Devices: Surgical instruments and implants.
• Chemical Industry: Piping and vessels.

TJC Steel Group Supply Case Studies:
TJC Steel Group has successfully supplied SUS304 cold-rolled stainless steel sheets to numerous clients, including:

• A leading automotive manufacturer for the production of exhaust systems, where the material's corrosion resistance and strength were crucial.
• A renowned architectural firm for the construction of a high-rise building's façade, where the aesthetic appeal and durability of SUS304 were key factors.
• A chemical processing company that required SUS304 sheets for the fabrication of corrosion-resistant vessels and piping.

In conclusion, JIS G4305 SUS304 cold-rolled stainless steel sheet is a high-quality product that meets stringent industry standards. TJC Steel Group's commitment to quality and customer satisfaction is reflected in its extensive supply experience and the trust placed by clients in their products.