Peeled Round Bars / Stainless Steel
AISI 304
Standard Austenitic Stainless Steel
Material Overview
AISI 304 - Standard Austenitic Stainless Steel
Material Type
Type: Austenitic, non-magnetic, highly versatile
Key Benefit: Most widely used stainless steel grade worldwide
Corrosion Resistance
Excellent corrosion resistance in atmospheric, mild chemical, and fresh-water exposure. Superior resistance to oxidation and many organic and inorganic compounds.
Fabrication
- Weldability: Superior - can be welded by all standard methods
- Formability: Excellent deep drawing and forming ability
- Machinability: Good, though work-hardens during cutting
Mechanical Properties
| Tensile Strength: | 520-750 MPa |
| Yield Strength: | 210-310 MPa |
| Hardness: | ~190 HB |
| Service Temperature: | Up to ~870°C (intermittent) |
Applications
- Food-grade shafts and processing equipment
- Chemical tanks and pressure vessels
- Architectural structures and trim
- Dairy and beverage equipment
- Kitchen equipment and appliances
- Pharmaceutical processing equipment
- Heat exchangers and condensers
Advantages
- Versatility: Suitable for wide range of applications
- Hygiene: Easy to clean and maintain, FDA approved
- Aesthetic Appeal: Bright, attractive finish
- Durability: Long service life in corrosive environments
- Non-Magnetic: Ideal for electronic applications
- Recyclable: 100% recyclable material
Processing Characteristics
- Welding: Excellent weldability without pre-heat
- Heat Treatment: Solution annealing at 1010-1120°C
- Cold Working: Work hardens rapidly, requires annealing between operations
- Hot Working: 1150-900°C range recommended