Corrosion Resistance: 305 stainless steel is known for its excellent corrosion resistance in a wide range of environments, including acidic and alkaline environments. It is resistant to corrosion from chemicals, solvents, and salts.
Ductility: 305 stainless steel has high ductility, which means that it can be easily formed and shaped without cracking or breaking. This property makes it ideal for applications that require complex shapes or designs.
Strength: 305 stainless steel has moderate strength, making it suitable for applications that require moderate mechanical strength. It has a minimum tensile strength of 620 MPa and a minimum yield strength of 275 MPa.
Weldability: 305 stainless steel is known for its good weldability, making it a popular choice for welding, brazing, and soldering. It can be welded using common welding techniques, such as TIG, MIG, and stick welding.
Magnetic Properties: 305 stainless steel is non-magnetic in the annealed condition but may become slightly magnetic after cold working.
Heat Resistance: 305 stainless steel has good heat resistance up to 870°C (1600°F). It can be used in high-temperature applications such as furnace parts, heat exchangers, and exhaust systems.
| Element | Content (%) |
|---|---|
| Iron, Fe | 67 |
| Chromium, Cr | 18 |
| Nickel, Ni | 12 |
| Manganese, Mn | ≤ 2 |
| Silicon, Si | ≤ 1 |
| Carbon, C | 0.12 |
| Phosphorous, P | 0.045 |
| Sulfur, S | 0.030 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 585 MPa | 84800 psi |
| Tensile strength, yield (@0.2%) | 260 MPa | 37700 psi |
| Modulus of elasticity | 193 GPa | 28000 ksi |
| Shear modulus | 86 GPa | 12500 ksi |
| Elongation at break (in 50 mm) | 50 | 50 |
| Hardness, Brinell | 80 | 80 |
| Hardness, Knoop (converted from Brinell hardness) | 97 | 97 |
| Hardness, Rockwell B (converted from Brinell hardness) | 45 | 45 |
| Hardness, Vickers (converted from Brinell hardness) | 82 | 82 |
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8 g/cm3 | 0.289 lb/in³ |
| Melting point | 1454°C | 2650°F |
| AMS 5514 | ASTM A240 | ASTM A478 | QQ S766 |
| AMS 5686 | ASTM A249 | ASTM A492 | DIN 1.4303 |
| ASME SA193 | ASTM A276 | ASTM A493 | UNI X 8 CrNi 19 10 |
| ASME SA194 | ASTM A313 | ASTM A511 | JIS SUS 305 |
| ASME SA240 | ASTM A314 | ASTM A554 | JIS SUS 305 J1 |
| ASTM A167 | ASTM A320 (B8P, B8PA) | ASTM A580 | SAE 30305 |
| ASTM A193 (B8P, B8PA) | ASTM A368 | DIN 1.4303 | SAE J405 (30305) |
| ASTM A194 (8P, 8PA) | ASTM A473 | QQ S763 |
Automotive: 305 stainless steel is used in the automotive industry for its corrosion resistance and high ductility. It is used in components such as exhaust systems, mufflers, and decorative trims.
Chemical Processing: 305 stainless steel is widely used in the chemical processing industry due to its excellent corrosion resistance in acidic and chloride-containing environments. It is used in equipment such as tanks, piping, and heat exchangers.
Medical Devices: 305 stainless steel is used in the medical industry for its biocompatibility and corrosion resistance. It is used in components such as surgical instruments, dental instruments, and medical implants.
Construction: 305 stainless steel is used in the construction industry for its high ductility, which makes it ideal for applications that require complex shapes or designs. It is used in structures such as bridges, buildings, and tunnels.
Food Processing: 305 stainless steel is used in the food processing industry for its corrosion resistance and non-reactivity with food. It is used in components such as conveyor systems, mixing equipment, and storage tanks.
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