321 STAINLESSSTEEL FOIL
Precision Foil Performance.
Titanium-stabilized 321 stainless steel foil with excellent high-temperature stability, good corrosion resistance, and precise processing performance.
321 Stainless Steel Foil | From 0.03mm to 0.05mm
0.03 mm
Versatile & Stable
Widely used thickness for general industrial, automotive and aerospace precision components.
0.04 mm
Stronger Structure
Better structural support and forming performance for more demanding applications.
0.05 mm
Robust & Durable
Enhanced mechanical stability for heat-resistant and high-strength industrial applications.
Why Choose 321 Stainless Steel Foil?
High-Temperature Stability
Stable performance under elevated temperatures and thermal cycling.
Titanium-Stabilized Material
Titanium addition improves resistance to intergranular corrosion after heating.
Corrosion Resistance
Reliable resistance to oxidation and corrosion in many industrial environments.
Excellent Formability
Good ductility supports stamping, bending and precision forming.
Precision Thickness Control
Consistent thickness from 0.03mm to 0.05mm with tight tolerances.
Clean Surface Finish
Smooth and clean surface meets demanding downstream processing requirements.
Customized Solutions
Customization of thickness, width, hardness, surface, and packaging.
TECHNICAL SPECIFICATIONS
| Product Name | 321 Stainless Steel Foil |
| Thickness | 0.03mm -0.05mm |
| Width Range | 2-1000mm |
| Surface Finish | 2B / BA |
| Hardness | Soft / Half Hard / Full Hard |
| Edge Condition | Slit Edge / Deburred Edge |
| Coil Type | Precision Slit Coil |
| Packaging | Clean paper+ export wooden case |
321 VS 304 VS 316L COMPARISON
304
Stainless Steel Foil
- Versatile & cost-effective
- Good general corrosion resistance
- Excellent formability
- Suitable for most industrial parts
Best For:
Electronics, Automotive, Industrial Parts, General Precision Stamping
321
Stainless Steel Foil
- Titanium-stabilized
- Better high-temperature stability
- Reduced risk of intergranular corrosion
- Ideal for heat-resistant applications
Best For:
Aerospace, Automotive Exhaust, Thermal Shielding, High-Temp Parts, Heat-Resistant Components
316L
Stainless Steel Foil
- Superior corrosion resistance
- Low carbon content
- High cleanliness
- Suitable for harsh environments
Best For:
Medical, Chemical, Semiconductor, High-Corrosion Applications
WIDE RANGE OF APPLICATIONS
AEROSPACE COMPONENTS
Thermal shielding, lightweight structures and precision aerospace parts.
AUTOMOTIVE HEAT-RESISTANT PARTS
Exhaust components, heat shields, gaskets, sensors and precision stamped parts.
THERMAL INSULATION & SHIELDING
Heat insulation layers, thermal protection, flexible shields and heat-resistant structures.
CHEMICAL & INDUSTRIAL EQUIPMENT
Diaphragms, gaskets, liners, seals and precision industrial components.
PRECISION STAMPING & FORMING
Shims, springs, thin stamped parts and customized precision metal components.
Manufacturing Process
01
Raw Material
Inspection
02
Precision
Cold Rolling
03
Thickness
Control
04
Slitting & Edge
Control
05
Surface
Inspection
06
Surface
Inspection
07
Mechanical
Testing
08
Finished
Coils
QUALITY ASSURANCE
- Material grade verification
- Thickness measurement
- Surface finish inspection
- Flatness inspection
- Edge condition control
- Hardness testing
- Mechanical property testing
- Coil condition inspection
- Final packaging inspection
CUSTOM SOLUTIONS
Thickness
Customization
Width
Customization
Hardness
Options
Surface Finish
Options
Coil ID/OD
Options
Professional
Packaging
