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Product name : JIS G4304 SUS303 Hot-Rolled Stainless Steel Plates and Coils
Item : 20247179128
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  Details:
 JIS G4304 SUS303 hot-rolled stainless steel plates and coils are a premium product designed to meet the rigorous demands of various industrial applications. This article provides a detailed overview of the chemical composition, mechanical properties, heat treatment status, dimensional range, impact testing, primary applications, and relevant supply cases from TJC Steel Group.

Chemical Composition

JIS G4304 SUS303 stainless steel boasts a well-balanced chemical composition, tailored to optimize its performance. The key elements include carbon (C) ≤ 0.15%, silicon (Si) ≤ 1.00%, manganese (Mn) ≤ 2.00%, sulfur (S) ≥ 0.15%, phosphorus (P) ≤ 0.20%, chromium (Cr) 17.00-19.00%, and nickel (Ni) 8.00-10.00%. The addition of sulfur, though reducing corrosion resistance slightly, significantly improves machinability.

Mechanical Properties

The SUS303 stainless steel exhibits exceptional mechanical properties. Its tensile strength is ≥ 520 MPa, yield strength is ≥ 205 MPa, and elongation is ≥ 40%. The hardness, measured in various scales, falls within the range of ≤ 187 HB, ≤ 90 HRB, and ≤ 200 HV.

Heat Treatment Status

JIS G4304 SUS303 stainless steel plates and coils are generally supplied in the heat-treated condition. The heat treatment process involves solid solution treatment at 1010-1150°C followed by rapid cooling, resulting in an austenitic microstructure. This treatment ensures optimal mechanical properties and corrosion resistance.

Dimensional Range

The dimensional range of JIS G4304 SUS303 stainless steel plates and coils covers a wide spectrum, accommodating various application needs. The exact dimensions are specified in the relevant standards and can be customized to meet specific requirements.

Impact Testing

JIS G4304 SUS303 stainless steel undergoes rigorous impact testing to ensure its resilience and durability. These tests evaluate the material's ability to withstand sudden loads and impact forces, ensuring its suitability for demanding applications.

Primary Applications

JIS G4304 SUS303 stainless steel finds widespread applications in various industries due to its excellent machinability, corrosion resistance, and mechanical properties. It is commonly used in automotive components, precision machinery, and surgical instruments where precision and durability are paramount.

TJC Steel Group Supply Cases

As a leading steel supplier, TJC Steel Group has a proven track record in supplying JIS G4304 SUS303 hot-rolled stainless steel plates and coils. Our products have been successfully utilized in numerous projects, including the manufacturing of precision machinery parts, automotive components, and surgical tools. Our commitment to quality and service has earned us the trust of our customers worldwide.

In conclusion, JIS G4304 SUS303 hot-rolled stainless steel plates and coils are a versatile material with exceptional properties, suitable for a wide range of applications. TJC Steel Group is your reliable partner for sourcing these high-quality products.


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