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AISI 347 Stainless Steel Coil

Available Configurations

Properties common to all products in this list

Grade: AISI 347 Composition: Fe/Cr 18/Ni10/Nb Form: Coil Material: Stainless Steel UNS Number: S34700 Commodity: Alloys Temper: Annealed Thickness: 0.1mm Coil Width: 300mm
AISI 347 Stainless Steel Coil is a niobium-stabilized austenitic alloy engineered for superior resistance to intergranular corrosion, oxidation, and creep at elevated temperatures. In coil form, it delivers excellent formability, uniform surface quality, and dimensional precision, making it ideal for applications requiring rolled sheet or foil configurations. Industries such as aerospace, power generation, petrochemicals, and marine engineering value this alloy for its ability to withstand harsh thermal and chemical environments. Specific uses include heat exchanger plates, furnace linings, and cladding for high-temperature ducting. In research, AISI 347 coils support work on high-temperature oxidation resistance, fatigue behavior, and the impact of surface treatments like ultrasonic shot peening to extend service life in corrosive atmospheres. The combination of thermal stability, corrosion resistance, and processing versatility ensures it remains a preferred choice for critical industrial systems and advanced materials development.
Starting at $540.00 each
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Material 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
each

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Available Configurations

Properties common to all products in this list

Grade: AISI 347 Composition: Fe/Cr 18/Ni10/Nb Form: Coil Material: Stainless Steel UNS Number: S34700 Commodity: Alloys Temper: Annealed Thickness: 0.1mm Coil Width: 300mm

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Tolerances

Coil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%
Coil Width <100mm ±1mm
Coil Width >=100mm +2% / -1%
Length +10% / -0%