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AISI 347 Stainless Steel Foil (Light Tight)

Formula: Fe/Cr 18/Ni10/Nb
Form: Foil (Light Tight)
Material: AISI 347 Stainless Steel
Commodity: Alloys
Temper: Annealed
Light Tight: Light Tight
AISI 347 Stainless Steel Foil (Light Tight) is a specialty foil composed of stainless steel alloyed with chromium, nickel, and niobium. This material offers excellent corrosion resistance and strength at high temperatures up to 950°C. Applications include gaskets, heat shields, and diffusion barriers where light-tight, high-temperature performance is critical. With a choice of variations available, AISI 347 Stainless Steel Foil (Light Tight) can be customized to the thickness and size that suits your specific application needs.
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Material Properties for Alloys

Mechanical Properties
Electrical Properties
Thermal Properties
Physical Properties
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 ) 520-1100
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 70-73
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@100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 16-18@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 7.93

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