0.04mm (40μm)
304 STAINLESS STEEL FOIL
Our 0.04mm 304 precision stainless steel foil is designed to deliver enhanced load-bearing capacity and dimensional stability without sacrificing the lightweight and malleable characteristics of thin-gauge stainless steel.
Combining the excellent corrosion resistance and weldability of 304 grade with precision manufacturing controls, this foil ensures consistent performance in precision forming, deep drawing, and high-speed stamping operations.





THICKNESS
0.04mm

WIDTH RANGE
2mm – 600mm

TOLERANCE
±0.005mm

SURFACE FINISH
2B / BA

MATERIAL
SUS 304
PRODUCT SPECIFICATIONS
| Specification Item | Technical Value / Parameter |
|---|---|
| Product | 304 Stainless Steel Foil |
| Thickness | 0.04mm |
| Thickness Tolerance | ±0.005mm |
| Width Range | 2mm – 600mm |
| Surface Finish | 2B / BA |
| Material | SUS 304 (EN 1.4301, ASTM 304) |
| Hardness | HV 160 – 200 |
| Tensile Strength | ≥ 480 MPa |
| Elongation | ≥ 40% |
| Tempers | Annealed, 1/2H, 3/4H, Full Hard |
| Packaging | Clean paper + Wooden case |




KEY FEATURES

Ultra-Thin Precision
Engineered for high-precision applications requiring extremely thin and lightweight stainless steel material.

Excellent Formability
Outstanding ductility and formability for complex bending, deep drawing, and stamping.

Stable Surface Finish
Smooth and clean surface suitable for electronics and high-end applications.

Corrosion Resistance
Reliable resistance to oxidation and environmental exposure.

High Consistency
Advanced rolling technology ensures stable thickness and performance.
WIDE RANGE OF APPLICATIONS

New Energy Battery
Battery casing, tabs, shielding components, and energy storage systems.

Electronics & Electrical
Connectors, shielding, springs, flexible circuits, and conductive structures.

Medical Devices
Surgical instruments, implant components, and ultra-thin metal parts.

Automotive
Gaskets, injectors, decorative trims, and precision stamped components.

Industrial Applications
Precision parts, shims, diaphragms, springs, filters, and more.