Ultra-Thin 0.01mm (10μm)
304 STAINLESS STEEL FOIL
Ultimate Miniaturization for High-End Precision Engineering
Manufactured through advanced multi-pass cold rolling and precision bright annealing processes, our 0.01mm foil maintains the full mechanical integrity and corrosion resistance inherent to ASTM A240 / EN 1.4301 grade 304 stainless steel, while achieving a flexibility and conformability that defies conventional material limitations.
Measuring merely 10 microns in thickness — thinner than a strand of human hair — this extraordinary material delivers uncompromising performance in applications where dimensional precision is paramount.
Specifications & Mechanical Properties
Our 0.01mm 304 stainless steel foil conforms to the highest international standards, including ASTM A240, AISI 304, SUS 304, and EN 1.4301.
The material exhibits a minimum tensile strength of 480 MPa, a minimum yield strength of 205 MPa, and a minimum elongation of 40% in 50mm gauge length, ensuring remarkable ductility even at this extreme thinness.
The surface hardness reaches a maximum of 92 HRB (201 HB), providing the ideal balance between workability and structural resilience. With a chromium content of 18.0–20.0% and nickel content of 8.0–12.0%, this foil delivers exceptional oxidation resistance and maintains its austenitic microstructure across operational temperatures from -196°C to 800°C.
- Excellent flatness
- Consistent thickness tolerance
- High surface cleanliness
- Superior flexibility
- Outstanding formability
0.01mm 304 Stainless Steel Foil Specifications
Key Features
Ultra-Thin Precision
Engineered for applications requiring extremely thin and lightweight stainless steel material.
Excellent Flexibility
Outstanding bending and forming performance for precision manufacturing.
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 control.
Primary Applications & Industry Solutions
The 0.01mm 304 stainless steel foil serves as an indispensable material across multiple high-technology sectors.
New Energy Battery
The battery and energy sector leverages this foil for lithium-ion battery current collectors, fuel cell bipolar plates, and solar cell interconnect ribbons.
Electronics & Semiconductor
Functions as precision EMI/RFI shielding for 5G communication modules, flexible circuit substrates, and micro-electromechanical systems (MEMS) components.
Medical Devices
The medical device industry utilizes this material for implantable device components, surgical instrument sheaths, and diagnostic equipment membranes, benefiting from its biocompatibility and corrosion resistance.
Heat Treatment & Thermal Processing
Serves as high-temperature wrapping foil for aerospace turbine blades and precision tooling, withstanding continuous service temperatures up to 870°C.
Why Choose ALTER
20+ Years of Experience
Specialized in ultra-thin stainless steel foil production.
Advanced Technology
Precision rolling technology and strict quality control systems.
Global Supply Capability
Supporting industrial customers worldwide with reliable delivery.
Customized Solutions
OEM & ODM support for custom widths, hardness, and surface finishes
Manufacturing Excellence & Quality Assurance
Our proprietary cold-rolling technology achieves thickness tolerances within ±0.002mm, ensuring batch-to-batch consistency that meets the most stringent aerospace and semiconductor industry requirements.
Each coil undergoes rigorous in-process inspection, including laser micrometer thickness verification, eddy current surface defect detection, and X-ray fluorescence compositional analysis.
Our ISO 9001-certified quality management system guarantees that every meter of 0.01mm foil meets or exceeds international specifications for ultra-thin precision strip materials.
