Corrosion Resistance: 308 stainless steel is known for its high corrosion resistance in a wide range of environments, including acidic and alkaline environments. It is resistant to corrosion from chemicals, solvents, and salts.
Strength: 308 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: 308 stainless steel is known for its excellent 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.
Ductility: 308 stainless steel has good 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.
Magnetic Properties: 308 stainless steel is non-magnetic in the annealed condition but may become slightly magnetic after cold working.
Heat Resistance: 308 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.
| Chemical Composition Limits | |||||||||
| Weight% | C | Mn | Si | Cr | Ni | S | P | Mo | Cu |
| 308 | 0.03 max | 1-2.5 | 0.65-1 | 19.5-22 | 9-11 | 0.03 max | 0.03 max | 0.75 max | 0.75 max |
| Material | Ultimate Tensile Strength | Offset Yield Strength 0.2 % | Elongation (%) | ||
| psi | MPa | psi | MPa | ||
| ER 308/ 308LSi | 84,100 | 580 | 58,000 | 400 | 41 |
Welding Applications: 308 stainless steel is often used as a filler material for welding applications due to its excellent weldability. It is used in the welding of stainless steel, carbon steel, and other metals.
Food Processing: 308 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.
Automotive: 308 stainless steel is used in the automotive industry for its corrosion resistance and high strength. It is used in components such as exhaust systems, mufflers, and decorative trims.
Chemical Processing: 308 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: 308 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.
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