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Build Time: 3-5 Business Days
Stainless steel 303
5.0 (3 Reviews) 7 orders
Material type: Free-Machining, Precision Parts, Non-Magnetic, Ductile
Free-machining stainless steel, perfect for high-volume, complex precision components.
Process compatibility
Material Color
Silver
Material advantages
- Ideal for high-volume, complex precision parts with tight tolerances.
- Non-magnetic, ductile, with good surface finish.
- Cost-effective for high-volume production.
Material shortcomings
- Lower corrosion resistance than 304/316 (prone to pitting in harsh environments).
- Poor weldability (sulfur content weakens welds).
- Not FDA-compliant for direct food/medical contact.
Recommended description
- Automotive: Precision hardware, fasteners, sensor brackets
- Electronics: Connector pins, intricate enclosures
- Industrial: High-volume complex parts (gears, valves, threaded components)
- Prototyping: Fast-turnaround intricate parts
Properties
Name
Density 8.03 g/cm3
Melting Point 1455°C
Modulus of elasticity 193 GPa
Electrical resistivity 0.72 x 10^-6 Ω.m
Thermal conductivity 16.3 W/m.K
Thermal expansion 17.3 x 10^-6/K
Yield strength 276 MPa
Tense strength 621 Mpa
Common applications
• Nuts and bolts
• Screws
• Gears
• Aircraft fittings
• Bushings
• Shafts