SUS 416 is one of the most free‑machining stainless steels defined in JIS G4304 / G4312. Enhanced with sulfur, it provides excellent machinability for turning, drilling, and threading while maintaining heat‑treatable strength.
SUS 410 is a martensitic stainless steel defined in JIS G4304 / G4312. With 11.5–13.5% chromium and very low nickel content, it is heat‑treatable and capable of achieving high strength and hardness.
SUS 430 is a typical ferritic stainless steel defined in JIS G4304 / G4312. Containing 16–18% chromium and no nickel, it is an economical corrosion‑resistant alloy suitable for atmospheric and mildly corrosive environments.
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.
SUH 309 is a heat‑resistant stainless steel defined in JIS G4304 / G4312 for high‑temperature structural applications. As a specialized heat‑resistant stainless steel, it contains 22–24% chromium and 12–15% nickel, with optimized carbon and trace elements
SUS 309 is a heat‑resistant austenitic stainless steel defined in JIS G4304 / G4312. With 22–24% chromium and 12–15% nickel, it offers significantly better oxidation resistance than SUS 304 and is suitable for long‑term service at 900–1000°C.
SUS 321 is a titanium‑stabilized austenitic stainless steel defined in JIS G4304 / G4312. With 17–19% chromium, 9–12% nickel, and titanium added to prevent carbide precipitation, it offers improved resistance to intergranular corrosion during welding and
SUS 317L is a high‑molybdenum, low‑carbon austenitic stainless steel defined in JIS G4304 / G4312. It is an upgraded corrosion‑resistant version of SUS 316L, typically containing 18–20% chromium, 11–15% nickel, and 3–4% molybdenum. The higher molybdenum c
SUS 316Ti is a titanium‑stabilized, molybdenum‑alloyed austenitic stainless steel defined in JIS G4304 / G4312. Based on the **SUS 316** composition, titanium is added (Ti ≥ 5×C%) to prevent carbide precipitation during welding and elevated‑temperature se
SUS 316LN is a nitrogen‑enhanced, low‑carbon austenitic stainless steel defined in JIS G4304 / G4312. With added nitrogen, it provides higher yield strength, improved pitting resistance, and enhanced weld stability compared with SUS 316L.
SUS 316L is the low‑carbon variant of SUS 316 stainless steel defined in JIS G4304 / G4312. With reduced carbon content, it minimizes sensitization during welding and enhances corrosion resistance in welded zones.
SUS 316 is the molybdenum‑alloyed austenitic stainless steel grade defined in JIS G4304 / G4312. With 16–18% chromium, 10–14% nickel, and 2–3% molybdenum, it offers significantly improved resistance to pitting and crevice corrosion in chloride‑rich enviro