In the realm of stainless steel, JIS G4304 SUS317LN hot-rolled plates and coils occupy a distinct position due to their unique chemical composition, mechanical properties, and vast range of applications. This article delves into the specifics of this highly versatile material, providing detailed insights into its characteristics and usage.

Chemical Composition

JIS G4304 SUS317LN is an austenitic stainless steel grade, renowned for its excellent corrosion resistance. Its chemical composition, as per the standard, comprises the following elements: Carbon (C) up to 0.03%, Silicon (Si) up to 1%, Manganese (Mn) up to 2%, Phosphorus (P) not exceeding 0.045%, Sulphur (S) not exceeding 0.03%, Chromium (Cr) ranging from 18% to 20%, Nickel (Ni) from 11% to 15%, Molybdenum (Mo) from 3% to 4%, and Nitrogen (N) between 0.1% and 0.22%.

Mechanical Properties

The mechanical properties of SUS317LN ensure its suitability for various demanding applications. Its tensile strength, yield strength, and elongation properties, as well as its hardness, are tailored to meet specific industry requirements. The material exhibits excellent ductility, making it suitable for forming and machining operations.

Heat Treatment Status

JIS G4304 SUS317LN hot-rolled plates and coils are typically supplied in the annealed and descaled condition. This heat treatment ensures the material's optimal microstructure and mechanical properties, while also eliminating internal stresses and improving corrosion resistance.

Size Range

The size range of SUS317LN hot-rolled plates and coils varies depending on the specific requirements of the application. Commonly, the plates are available in thicknesses ranging from a few millimeters to over 100mm, while the coils can be supplied in various widths and diameters. Customized sizes are also available to meet specific project needs.

Impact Testing

JIS G4304 specifies impact testing requirements for SUS317LN, ensuring the material's toughness and resistance to sudden impact loads. The impact tests are conducted at specified temperatures, typically at room temperature or at lower temperatures, to assess the material's performance in extreme conditions.

Main Application Scenarios

JIS G4304 SUS317LN hot-rolled plates and coils find widespread use in various industries. Their excellent corrosion resistance and high-temperature performance make them ideal for applications in chemical processing, petrochemical, food processing, and medical equipment manufacturing. The material is also used in the construction of nuclear power plants and other high-tech facilities.

TJC Steel Group Supply Cases

At TJC Steel Group, we have a rich history of supplying JIS G4304 SUS317LN hot-rolled plates and coils to clients across the globe. Our extensive inventory and prompt delivery services ensure that our customers receive the material they need, when they need it. Some of our recent supply cases include the provision of SUS317LN plates for the construction of a chemical processing plant in the Middle East and the supply of coils for a medical equipment manufacturer in Europe.

In conclusion, JIS G4304 SUS317LN hot-rolled stainless steel plates and coils offer a unique combination of chemical composition, mechanical properties, and corrosion resistance, making them an invaluable material for various industries. With TJC Steel Group as your trusted supplier, you can rest assured of receiving high-quality material, timely delivery, and exceptional customer service.