Y1Cr18Ni9 is a free‑machining austenitic stainless steel specified in GB/T 4237 and GB/T 4238, commonly regarded as the Chinese equivalent of Grade 303. It contains 17–19% chromium, 8–10% nickel, a
0Cr18Ni11Nb is a niobium‑stabilized austenitic stainless steel specified in GB/T 4237 and GB/T 4238, comparable to Grade 347. With approximately 18% chromium, 11% nickel, and niobium additions, it pr
0Cr18Ni10Ti is a titanium‑stabilized austenitic stainless steel specified in GB/T 4237 and GB/T 4238, comparable to international Grade 321. It contains 17–19% chromium and 9–12% nickel with titani
00Cr18Ni10N is a nitrogen‑enhanced, low‑carbon austenitic stainless steel specified in GB/T 4237 and GB/T 4238. The addition of nitrogen increases yield strength, improves pitting resistance, and en
00Cr19Ni10 is a low‑carbon austenitic stainless steel specified in GB/T 4237 and GB/T 4238, corresponding to international Grade 304L. Its composition includes 18–20% chromium and 8–12% nickel, wit
0Cr18Ni9 is one of the most widely used austenitic stainless steels specified in GB/T 4237 and GB/T 4238, corresponding closely to international Grade 304. Containing approximately 18% chromium and 8
1Cr17Ni7 is a chromium‑nickel austenitic stainless steel defined in GB/T 4237 / 4238. With about 17% chromium and 7% nickel, it provides stable corrosion resistance in atmospheric, fresh‑water, and
1Cr17Mn6Ni5N is a nitrogen‑alloyed austenitic stainless steel defined in GB/T 4237 / 4238. With about 17% chromium, 5% nickel, manganese, and nitrogen, it offers higher strength and improved pitting
SUS 329J1 is a duplex stainless steel defined in JIS G4304 / G4312. With 24–26% chromium, 4–6% nickel, molybdenum, and nitrogen, it provides high strength and excellent resistance to pitting and cre
SUS 329J3L is a duplex stainless steel defined in JIS G4304 / G4312. With about 25–26% chromium, 5–7% nickel, molybdenum, and nitrogen, it combines ferritic and austenitic phases, offering twice the
SUS 420J2 is a high‑hardness martensitic stainless steel defined in JIS G4304 / G4312. With 12–14% chromium and about 0.30% carbon, it can be hardened to 48–52 HRC, making it a common material for
SUS 420J1 is a medium‑hardness martensitic stainless steel defined in JIS G4304 / G4312. With 12–14% chromium and about 0.15% carbon, it can be hardened through quenching to achieve moderate hardnes