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AISI 321 Stainless Steel Foil

Formula: Fe/Cr 18/Ni 9/Ti
Form: Foil/Film/Sheet
Material: AISI 321 Stainless Steel
Commodity: Alloys
AISI 321 Stainless Steel Foil, also known as UNS S32100, is a titanium-stabilized austenitic stainless steel sheet renowned for its excellent resistance to intergranular corrosion and high-temperature oxidation. This material maintains its mechanical properties even at elevated temperatures, making it ideal for applications in the aerospace, chemical processing, and power generation industries. AISI 321 Stainless Steel Foil is commonly used in the manufacturing of exhaust manifolds, heat exchangers, and furnace components due to its ability to withstand high thermal stress and cyclic heating. Additionally, it is utilized in the production of expansion joints and bellows, where its superior fatigue resistance is crucial. Goodfellow offers premium AISI 321 Stainless Steel Foil that meets stringent industry standards, ensuring optimal performance in all applications. With its exceptional properties, AISI 321 Stainless Steel Foil from Goodfellow is the preferred choice for demanding industrial applications, providing reliability and longevity in every use.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Foil/Film/Sheet
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±25%
Thickness >0.05mm ±10%

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 160-190
Elongation at break( % ) <60
Modulus of elasticity( GPa ) 190-210
Izod impact strength( J m⁻¹ ) 20-136
Tensile strength( MPa ) 560
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 70-73
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Maximum use temperature in air( C ) 800
Melting point( C ) 1400-1425
Thermal conductivity( W m⁻¹ K⁻¹ ) 16.3@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 18@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 7.9

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