Types of Stainless Steel Materials

304 (AISI 304 / 18-8)

Composition: 18% Chromium, 8% Nickel

Features: The most widely used stainless steel type. High corrosion resistance. Excellent weldability and formability. Sensitive to saltwater and chlorine environments.

Applications: Kitchen equipment, household appliances, food processing machines, building facades, medical devices

316 (AISI 316)

Composition: 16-18% Chromium, 10-14% Nickel, 2-3% Molybdenum

Features: Higher corrosion resistance than 304, especially against chlorides and saltwater. Suitable for marine and chemical environments.

Applications: Marine industry, chemical industry, petrochemical plants, laboratory equipment, pool equipment, surgical instruments

430 (AISI 430)

Composition: 16-18% Chromium, Nickel-free (ferritic structure)

Features: Lower corrosion resistance but cost-effective. Magnetic. Provides brightness and widely used for decorative purposes.

Applications: Decorative coatings, kitchen accessories, automotive interior parts, home appliances

410 (AISI 410)

Composition: 11.5-13.5% Chromium

Features: Hardenable, high wear and impact resistance, low corrosion resistance.

Applications: Cutting tools, knives, valves, pump shafts

201 (AISI 201)

Composition: 16-18% Chromium, 3.5-5.5% Nickel, 5-7.5% Manganese

Features: Made more economical by reducing nickel content. Lower corrosion resistance compared to 304.

Applications: Household items, kitchen utensils, decorative applications, furniture accessories

904L (AISI 904L)

Composition: 19-23% Chromium, 23-28% Nickel, 4-5% Molybdenum

Features: Very high corrosion and acid resistance. Preferred in special and aggressive chemical environments.

Applications: Chemical tanks, petrochemical, seawater systems, special industrial applications

321 (AISI 321)

Features: Provides intergranular corrosion resistance thanks to Ti addition. Very durable at high temperatures.

Applications: Resistance and exhaust pipes, manifolds, aircraft parts, chemical industry boiler components

310 (AISI 310)

Features: Maintains corrosion resistance even at high temperatures. Can work at temperatures up to 1100°C.

Applications: Chemical, machinery industry, glass sector, mines, furnaces, ovens

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