JIS G4304 / G4312 SUS 310S Stainless Steel Composition & High‑Temperature Oxidation‑Resistant Properties
SUS 310S is a high‑temperature austenitic stainless steel defined in JIS G4304 / G4312. With 24–26% chromium and 19–22% nickel, it provides superior oxidation resistance compared with SUS 309. Its low‑carbon design minimizes sensitization during welding.
310S performs reliably at 1050–1150°C, making it suitable for industrial furnaces, combustion equipment, heat‑treatment fixtures, insulation structures, and high‑temperature transfer components. SUS 310S is supplied as sheets, plates, tubes, bars, and strips. It is widely used in petrochemical plants, thermal‑processing equipment, and high‑temperature structural applications.
310S performs reliably at 1050–1150°C, making it suitable for industrial furnaces, combustion equipment, heat‑treatment fixtures, insulation structures, and high‑temperature transfer components. SUS 310S is supplied as sheets, plates, tubes, bars, and strips. It is widely used in petrochemical plants, thermal‑processing equipment, and high‑temperature structural applications.