ASTM A240 305 (UNS S30500) is a low work‑hardening austenitic stainless steel grade under ASTM standards. With 17–19% chromium and 10.5–13% nickel, it maintains a stable austenitic structure, providing excellent deep‑drawing and stretching performance.
ASTM A240 303 (UNS S30300) is the free‑machining austenitic stainless steel grade under ASTM standards. With 17–19% chromium, 8–10% nickel, and elevated sulfur content, it provides excellent machinability for turning, drilling, and threading operations.
ASTM A240 347 (UNS S34700) is a niobium‑stabilized austenitic stainless steel grade under ASTM standards. With 17–19% chromium, 9–13% nickel, and niobium added in proportion to carbon content, it prevents carbide precipitation during welding or elevated‑t
ASTM A240 321 (UNS S32100) is a titanium‑stabilized austenitic stainless steel grade under ASTM standards. With 17–19% chromium, 9–12% nickel, and titanium added in proportion to carbon content, it prevents carbide precipitation during welding or elevated
ASTM A240 304LN (UNS S30453) is a nitrogen‑enhanced, low‑carbon austenitic stainless steel grade under ASTM standards. With 18–20% chromium, 8–12% nickel, and added nitrogen, it provides higher yield strength, improved pitting resistance, and enhanced wel
ASTM A240 304L (UNS S30403) is the low‑carbon variant of the 304 austenitic stainless steel family. With 18–20% chromium, 8–12% nickel, and a carbon content below 0.03%, it minimizes carbide precipitation during welding, significantly improving resistance
ASTM A240 304 (UNS S30400) is the most widely used austenitic stainless steel grade under ASTM standards. With 18–20% chromium and 8–10.5% nickel, it is commonly known as “18‑8 stainless steel.” It offers a balanced combination of corrosion resistance, fo
ASTM A240 201 (UNS S20100) is an economical austenitic stainless steel grade under ASTM standards. By reducing nickel content and adding manganese to stabilize the austenitic structure, it offers a cost‑efficient alternative to 304. Its composition includ
ASTM A240 301LN (UNS S30153) is a nitrogen‑alloyed, high‑strength austenitic stainless steel grade under ASTM standards. With 16–18% chromium, 6–8% nickel, and added nitrogen, it provides higher yield strength, improved work‑hardening capability, and enha
ASTM A240 301 (UNS S30100) is a high‑strength austenitic stainless steel grade under ASTM standards. With 16–18% chromium and 6–8% nickel, its lower nickel content compared with 304 provides significantly higher work‑hardening capability. Strength increas
1.4845 (X8CrNi25‑21) is a high‑temperature austenitic stainless steel grade under EN standards, equivalent to 310S. With 24–26% chromium and 19–22% nickel, it offers outstanding oxidation resistance and structural stability during long‑term exposure at 10
1.4828 (X15CrNiSi20‑12) is a heat‑resistant austenitic stainless steel grade under EN standards. With 19–21% chromium, 11–13% nickel, and 1.5–2.5% silicon, it provides excellent oxidation resistance and structural stability during long‑term exposure at 90