In the realm of advanced materials, JIS G4305 SUS312L cold-rolled stainless steel plate stands as a testament to durability, corrosion resistance, and high-temperature performance. Crafted with precision and adherence to stringent Japanese Industrial Standards (JIS), this premium grade stainless steel is an ideal choice for a multitude of industrial applications requiring exceptional material properties. TJC Steel Group, a renowned supplier of premium steel products, is proud to offer a comprehensive range of SUS312L cold-rolled stainless steel plates, tailored to meet the specific needs of our global clientele.

Chemical Composition

JIS G4305 SUS312L boasts a carefully balanced chemical composition that ensures optimal material properties. The primary alloying elements include:

· Carbon (C): ≤ 0.03%

· Silicon (Si): ≤ 1.00%

· Manganese (Mn): ≤ 2.00%

· Phosphorus (P): ≤ 0.045%

· Sulfur (S): ≤ 0.030%

· Chromium (Cr): 17.00-19.00%

· Nickel (Ni): 2.00-3.00%

· Molybdenum (Mo): 2.00-3.00%

· Silicon (added): 1.00-4.00%

This unique blend of elements endows SUS312L with exceptional heat and corrosion resistance, making it an ideal material for harsh operating environments.

Mechanical Properties

The mechanical properties of JIS G4305 SUS312L cold-rolled stainless steel plate are equally impressive:

· Tensile Strength (σb, MPa): ≥ 485

· Yield Strength (σs, MPa): ≥ 205

· Elongation (% in 50mm): ≥ 40

· Hardness (HBW): ≤ 187

These properties, combined with its high ductility and toughness, ensure that SUS312L plates can withstand extreme stress and deformation without compromising their structural integrity.

Heat Treatment State

JIS G4305 SUS312L cold-rolled stainless steel plates are typically supplied in an annealed condition, which enhances their corrosion resistance and formability. This heat treatment process involves heating the material to a specific temperature, holding it for a period, and then cooling it slowly to achieve a desired microstructure.

Available Sizes and Dimensions

TJC Steel Group offers JIS G4305 SUS312L cold-rolled stainless steel plates in a wide range of sizes and thicknesses, catering to the diverse needs of our customers. Standard plate thicknesses range from 0.3mm to 6.0mm, with widths up to 1500mm and lengths varying according to customer requirements. Customized sizes are also available upon request.

Low-Temperature Impact Testing

JIS G4305 SUS312L stainless steel demonstrates exceptional low-temperature toughness, ensuring reliable performance even in cryogenic environments. Low-temperature impact tests, such as Charpy V-notch tests, are conducted to assess the material's ability to withstand sudden loads at sub-zero temperatures. These tests confirm that SUS312L maintains its mechanical properties and ductility even at temperatures as low as -196°C.

Primary Applications

JIS G4305 SUS312L cold-rolled stainless steel plates find widespread application in various industries, including:

1. Heat Treatment Equipment: Ideal for high-temperature furnaces, annealing ovens, and other heat treatment equipment where resistance to oxidation and scaling is crucial.

2. Petrochemical Industry: Used in oil refineries, petrochemical plants, and pipelines, where it excels in sulfuric acid and organic acid environments.

3. Chemical Processing: Employed in reactors, tanks, and piping systems for handling corrosive chemicals, acids, and alkalis.

4. Power Generation: Suitable for components in nuclear and fossil fuel power plants, where high-temperature resistance and corrosion protection are paramount.

TJC Steel Group Supply Cases

TJC Steel Group has successfully supplied JIS G4305 SUS312L cold-rolled stainless steel plates to numerous prestigious projects worldwide. Our clients include major oil and gas companies, chemical processors, and power generation facilities, all of whom have come to rely on the exceptional quality, reliability, and timely delivery of our products.