PRECISION STAINLESS STEEL FOIL FOR ADVANCED INDUSTRIES

Engineered for Performance. Trusted Across Critical Applications

ALTER specializes in 304 and 316L ultra-thin precision stainless steel foil from 0.01mm to 0.05mm, with a minimum thickness of 0.005mm. Exceptional flatness, superior surface and tight thickness tolerance deliver reliability for the most demanding applications.

INDUSTRIES WE SERVE

Industry

Industry Pain Point

How ALTER Foil Solves It

Recommended Material & Thickness

01New Energy Battery

High energy density requires longer cycle life, enhanced safety and stable current collector performance.

Excellent corrosion resistance and structural stability ensure consistent conductivity and safe performance in extreme charge/discharge environments.

304 / 316L0.01 – 0.03mm

02Electronics & Electrical

Miniaturization demands precise, reliable materials with excellent conductivity and flatness.

Ultra-thin, smooth and burr-free foil delivers stable performance for connectors, shielding and precision components.

304 / 316L0.01 – 0.03mm

03Medical Devices

Medical devices require biocompatibility, corrosion resistance and clean surface quality.

316L offers superior corrosion resistance and biocompatibility, ensuring safety and long service life.

316L0.01 – 0.03mm

04Semiconductor

Extreme cleanliness and precision are essential for semiconductor manufacturing.

High flatness and ultra-clean surface reduce contamination risk and ensure stable processing performance.

304 / 316L0.01 – 0.03mm

05Chemical Processing

Harsh chemicals and temperatures demand excellent corrosion resistance.

316L provides outstanding corrosion resistance in acids, alkalis and chloride environments.

316L0.02 – 0.05mm

06Automotive

Lightweighting and strength require high performance materials with reliability.

High strength, formability and fatigue resistance support lightweight and high-performance automotive parts.

304 / 316L0.02 – 0.05mm

07Aerospace

Materials must endure extreme environments with high strength and reliability.

Excellent strength-to-weight ratio and corrosion resistance ensure safety and longevity in aerospace applications.

304 / 316L0.02 – 0.05mm

08Precision Industrial

Precision equipment requires consistent flatness and tight tolerance control.

Ultra-thin foil with precise thickness and flatness ensures stable performance in precision machinery and tooling.

304 / 316L0.01 – 0.03mm

WHICH MATERIAL IS RIGHT FOR YOUR APPLICATION?

304

Cost-effective. Versatile. Widely Used.

Good corrosion resistance in general environments
Excellent formability and weldability
Ideal for electronics, automotive, industrial applications
Cost-effective solution for most applications

316L

Superior Corrosion Resistance. Premium Choice.

Excellent resistance to chlorides and harsh chemicals
Superior performance in extreme environments
Ideal for medical, chemical, aerospace, marine applications
Lower carbon (L) for enhanced corrosion resistance

WHY INDUSTRIES CHOOSE ALTER

MANUFACTURING & QUALITY

Raw Material
Inspection

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Cold
Rolling

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Precision Thickness
Control

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Annealing

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Slitting &
Finishing

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PRECISION STAINLESS STEEL FOIL FOR ADVANCED INDUSTRIES

304 & 316L

0.01 – 0.05mm

Min. 0.005mm

Precision Surface & Flatness

INDUSTRIES WE SERVE

New Energy Battery

Electronics & Electrical

Medical Devices

Semiconductor

Chemical Processing

Automotive

Aerospace

Precision Industrial Applications

WHICH MATERIAL IS RIGHT FOR YOUR APPLICATION?

304

316L

WHY INDUSTRIES CHOOSE ALTER

20+ Years Experience

Advanced Precision Processing

304 & 316L Expertise

Flexible Customization

Reliable Quality Control

Global Supply Support