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Grade: AISI 304
Formula: Fe/Cr 18/Ni10
Form: Coil
Material: Stainless Steel
Commodity: Alloys

AISI 304 Stainless Steel Coil

AISI 304 Stainless Steel Coil is an austenitic stainless steel in rolled sheet form, offering a balance of excellent corrosion resistance, high ductility, and robust mechanical strength. With superior toughness even at cryogenic temperatures and strong resistance to oxidation, it is well-suited for demanding environments. The coil format facilitates continuous processing in manufacturing, making it ideal for deep drawing, stamping, and precision forming operations. Industries such as aerospace, food processing, chemical engineering, and energy infrastructure rely on it for corrosion-proof cladding, precision-formed housings, and structural components in high-humidity or chemically aggressive settings. Specific applications include deep-drawn fuel system housings, sanitary equipment panels, and marine-grade protective barriers. In research and innovation, 304 stainless steel coil supports advances in high-performance forming simulations, optimized surface finishing for hygienic applications, and material development for fatigue-resistant structures. Its combination of formability, corrosion stability, and consistent mechanical performance makes it a cornerstone material in both industrial manufacturing and advanced engineering research.
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Tolerances

Coil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
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 ) 460-1100
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 70-72
Thermal Properties
Element Value
Melting point( C ) 1400-1455
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 ) 7.93

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