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Stainless Steel 40 Foil/Sheet

Available Configurations

Properties common to all products in this list

Commodity: Alloys Material: Stainless Steel Form: Foil/Film/Sheet Composition: Fe 64/Cr 21/Mn 9/Ni 6 Grade: Alloy 40 UNS Number: S21900 Temper: Annealed Thickness: 3.2mm
Stainless Steel 40 Foil combines excellent corrosion resistance, high tensile strength, and good thermal stability in a thin, flexible sheet format. Its balanced chromium and nickel composition enhances oxidation resistance and structural durability, making it suitable for precision manufacturing. Industries such as aerospace, chemical processing, and electronics use this foil in heat exchangers, flexible connectors, and high-strength gaskets. Specific technologies benefiting from its properties include miniature reactor linings, catalytic converters, and shielding components where thin yet durable materials are required. Research applications span microfabricated sensors, electrochemical corrosion testing, and high-temperature mechanical studies. The foil form provides adaptability for layering, etching, or lamination, allowing integration into complex systems. Its combination of mechanical resilience, chemical inertness, and process flexibility secures its place as a critical material for advanced engineering and scientific innovation.
Starting at $198.00 each
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Available Configurations

Properties common to all products in this list

Commodity: Alloys Material: Stainless Steel Form: Foil Composition: Fe 64/Cr 21/Mn 9/Ni 6 Grade: Alloy 40 UNS Number: S21900 Temper: Annealed Thickness: 3.2mm

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Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%
Linear dimension <100mm ±1mm
Linear dimension >=100mm +2 / -1%