Welcome to Alter Stainless

Ulta-thin Stainless Steel Foil | Precision & High Performance

Corrosion-Resistant, Heat-Tolerant, and Electrically Superior. Made for Aerospace, Energy & Electronics.

316L full hard stainless steel
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Revolutionize Your Industry with Ultra-Thin Precision Stainless Steel Foil

Our stainless steel foil redefines performance in extreme environments. Using aerospace-grade alloys (321/304/316L), we deliver foils as thin as 0.01 mm with tightest tolerances ±0.003 mm. Perfect for high-stakes applications demanding flawless material integrity.

Key Features

  • Micron-Level Precision: Laser-calibrated thickness uniformity (±0.003mm tolerance) for consistent performance.
  • Zero-Defect Guarantee: Ultrasonic-cleaned surfaces, free of pinholes, scratches, or contaminants.
  • Alloy Selection: 304, 316L, 321 – custom-tempered from Annealed to Full-hard.

Ideal Applications

  • Battery Electrodes & Fuel Cells
  • Flexible Electronics & EMI Shielding
  • Medical Implants & Aerospace Insulation
  • Thin-Film Sensors & Optical Filters

Quality Assurance

  • ​Compliant with ASTM A240, JIS G4313, and RoHS standards.
  • Full traceability with Material Test Reports (MTRs) and ISO-certified production.
Rolling
Raw Materials

What we’re offering

Precision Rolled to Custom Specifications

Our advanced equipments allows us to produce stainless steel strip & foils in precise custom sizes, ultra-thin thicknesses, and with tightly controlled gauge tolerance.

We're ISO 9001 certified, funded in 2004

Get to know about us

Our Company Have Vast Experience for producing stainless foil

20

Years of Experience

Our Strict Quality Management System

We follow a comprehensive quality management system, covering raw material procurement and production processes. Each batch of products undergoes rigorous testing and control to meet high–quality standards.

Thickness Inspection

Width Inspection

Surface Inspection

Camber Inspection

Chemical Testing

Tensile Test

Bending Test

Edge Deburred

Narrow Strip Packaging

Strip Coils Packaging

ss-strip-coil

Why choose us

Discover Our Advantages

Premium-grade precision stainless foil, engineered to meet the exacting specifications.

We have a professional technical team that provides all-around support and services. We help customers solve problems including product selection, and technical consultation.

tubiao

20 kg

Small MOQ

factory

0.01-0.05 mm

Extensive Inventory

engineering

7-10 Days

Fast Delivery

precision

+-0.003 mm

Tightest Tolerance

Our Clients testimonials

What They Are Saying

100+

Trusted Customers

contact us

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