JIS G4304 SUS312L hot-rolled stainless steel plates and coils are highly specialized materials renowned for their superior corrosion resistance and high-temperature performance. This article delves into the chemical composition, mechanical properties, heat treatment status, dimensional range, impact testing, key application scenarios, and relevant supply cases by TJC Steel Group.

Chemical Composition

JIS G4304 SUS312L stainless steel boasts a well-balanced chemical composition, including chromium (Cr) at 17-19%, nickel (Ni) at 11-13%, and molybdenum (Mo) at 2-3%. Additionally, it contains small amounts of titanium (Ti), aluminum (Al), and niobium (Nb) to further enhance its high-temperature and corrosion resistance.

Mechanical Properties

SUS312L stainless steel exhibits exceptional mechanical properties, such as a yield strength of σ0.2 ≥ 205 MPa and an ultimate tensile strength of σb ≥ 515 MPa. Its ductility is also remarkable, with an elongation rate of δ ≥ 40%. These properties ensure its suitability for demanding applications.

Heat Treatment Status

JIS G4304 SUS312L stainless steel plates and coils undergo rigorous heat treatment processes, typically involving solution annealing at temperatures ranging from 1050-1150°C, followed by air cooling. This heat treatment ensures optimal microstructure and mechanical properties.

Dimensional Range

The dimensional range of SUS312L stainless steel plates and coils is extensive, catering to various applications. Thicknesses can range from a few millimeters to several centimeters, with widths tailored to specific requirements.

Impact Testing

JIS G4304 SUS312L stainless steel undergoes rigorous impact testing to ensure its durability and resilience. These tests involve subjecting the material to sudden, intense forces to assess its ability to withstand shock loading.

Key Application Scenarios

JIS G4304 SUS312L stainless steel finds widespread use in high-temperature and corrosive environments. Its exceptional corrosion resistance makes it suitable for chemical processing equipment, oil and gas refining facilities, and heat exchangers. Its high-temperature performance also renders it ideal for thermal power plants and aerospace applications.

TJC Steel Group Supply Cases

TJC Steel Group, a leading provider of stainless steel products, has a rich history of supplying JIS G4304 SUS312L stainless steel plates and coils. From chemical plants to oil refineries, TJC has successfully delivered high-quality SUS312L stainless steel to numerous satisfied customers worldwide. One such case involved the supply of SUS312L plates for a large-scale chemical reactor, where its corrosion resistance and high-temperature stability were critical.

In conclusion, JIS G4304 SUS312L hot-rolled stainless steel plates and coils represent the epitome of durability and performance. Their superior chemical composition, mechanical properties, and heat treatment status ensure their suitability for the most demanding applications. TJC Steel Group stands as a reliable source for these materials, providing quality products and services to customers across the globe.