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

AISI 304 Stainless Steel Disk

AISI 304 Stainless Steel Disk is a corrosion-resistant austenitic stainless steel form that offers a balance of high strength, ductility, and oxidation resistance, making it suitable for diverse environments from cryogenic to elevated temperatures. Its uniform composition and stability allow precision machining, forming, and surface finishing, with excellent performance in sanitary, structural, and mechanical applications. Disk geometry enables its direct use in load-bearing, sealing, and wear-resistant components without significant material wastage. Industries including aerospace, food processing, and chemical engineering utilize it for valve seats, rotary components, and corrosion-proof flanges. Specific applications include precision-calibrated rotors in pumps, corrosion-resistant turntable interfaces, and hygienic sealing plates in process equipment. In research and innovation, 304 stainless steel disks are integral to the development of advanced tribological systems, high-purity process equipment, and surface-engineered components. Its versatility, mechanical stability, and chemical resistance maintain its position as a go-to material for both industrial production and scientific prototyping.
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Tolerances

Disc
Thickness >0.05mm ±10%
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%

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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