0.04mm (40μm)
316L STAINLESS STEEL FOIL

Ultra-Thin, High-Tolerance Alloy for Advanced Manufacturing

Engineered with industry-leading cold-rolling technology, our 0.04mm 316L austenitic stainless steel foil delivers exceptional dimensional accuracy with thickness tolerances as tight as ±0.003mm.

Featuring low carbon content and molybdenum alloying, this grade provides superior intergranular and chloride corrosion resistance, excellent formability and stable mechanical properties even under high-temperature and harsh chemical conditions.

Ultra-Thin Precision
Excellent Surface Finish
Superior Corrosion Resistance
Reliable & Consistent

THICKNESS

0.04mm

WIDTH RANGE

2mm – 600mm

TOLERANCE

±0.003mm

SURFACE FINISH

2B / BA

PRODUCT FEATURES

With a bright, defect-free surface  and uniform grain structure, the foil is optimized for precision etching, deep drawing and laser processing.

316L Austenitic Stainless Steel

Low carbon, molybdenum-enhanced for superior corrosion resistance.

High Purity & Low Carbon

Strict composition control ensures high purity and excellent stability.

Excellent Corrosion Resistance

Outstanding in resisting pitting, stress corrosion and oxidation.

High Cleanliness

Ultra-clean surface, ideal for critical and precision applications.

Uniform Thickness and Flatness

Tight thickness tolerance and excellent flatness for consistent performance.

Reliable & Repeatable Quality

Advanced process control for reliable and repeatable quality.

TECHNICAL SPECIFICATIONS

Product316L Stainless Steel FoilHardness (HV)150 – 200
Thickness0.04mmTensile Strength≥ 480 MPa
Thickness Tolerance±0.003mmElongation≥ 40%
Width Range2mm – 600mmYield Strength≥ 205 MPa
Surface Finish2B / 2D / BATemper OptionsSoft, 1/2H, 3/4H, Full Hard
Material StandardSUS 316L (EN 1.4404, ASTM A240)PackagingClean paper + Wooden case

WIDE RANGE OF APPLICATIONS

Semiconductor

Wafer carriers, sputtering targets, frames, and precision components.

New Energy Battery

Battery casing, tabs, current collectors, and energy storage systems.

Medical Devices

Surgical instruments, implant components, and ultra-thin precision parts.

Chemical Equipment

Corrosion-resistant liners, gaskets, diaphragms, and precision filters.

Aerospace

Lightweight structural parts, high-precision shims and thermal components.

Electronics & Electrical

Shielding, connectors, flexible circuits, and precision electronic components.

WHY CHOOSE ALTER 316L STAINLESS STEEL FOIL

Precision Manufacturing

Advanced rolling technology ensures thickness consistency and excellent flatness.

Strict Quality Control

From raw material to finished product, every step is rigorously inspected.

Custom Solutions Available

Custom thickness, width, surface finish and packaging to meet your needs.

Stable Supply Capacity

Flexible production schedule and large inventory to ensure on-time delivery.

Stable Service Support

Professional technical team and fast response to support your business.

NEED 0.04MM 316L STAINLESS STEEL FOIL?

Contact ALTER today for a competitive quote and professional solutions customized to your application needs.

QUALITY YOU CAN TRUST

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