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Grade: AISI 316
Formula: Fe/Cr 18/Ni10/Mo 3
Form: Ball/Sphere
Material: Stainless Steel
Commodity: Alloys
Type: Precision Sphere
Sphericity: 2.5µm

Grade 100 AISI 316 Stainless Steel Balls

Grade 100 AISI 316 Stainless Steel Balls are recognized for their superior corrosion resistance, excellent toughness, and stable mechanical properties even under extreme conditions. Their molybdenum-enhanced austenitic composition provides stronger resistance to pitting and crevice corrosion compared to AISI 304, making them especially suitable for harsh chemical and marine environments. These balls are employed across aerospace, biomedical, petrochemical, and marine industries, where precision and durability are critical. Specific applications include ball bearings in aerospace and marine machinery, precision valves and pumps in chemical processing, and biomedical devices requiring high resistance to corrosion and biocompatibility. In research, 316 stainless steel balls are vital for advancing tribology, surface engineering, and corrosion science, especially through modifications like nitriding and surface coatings that expand their performance envelope. Their combination of chemical stability, mechanical resilience, and adaptability ensures they remain indispensable to scientific innovation and industrial reliability.
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Tolerances

Ball/Sphere
Diameter Standard ±5%
Diameter Precision See Item

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 ) 460-860
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 70-78
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 1370-1400
Specific heat( J K⁻¹ kg⁻¹ ) 502@23°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 16.3@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 16-18@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 7.96

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