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Grade: AISI 316
Formula: Fe/Cr 18/Ni10/Mo 3
Form: Ball/Sphere
Material: Stainless Steel
Commodity: Alloys
Diameter: 25mm
Quantity: 10 piece
Type: Precision Sphere
Sphericity: 5.08µm

Grade 200 AISI 316 Stainless Steel Balls

Grade 200 AISI 316 Stainless Steel Balls exhibit exceptional corrosion resistance, strong mechanical integrity, and stability under extreme operating environments, due to the presence of molybdenum in their austenitic stainless-steel composition. This enhancement provides superior resistance to pitting and crevice corrosion, particularly in chloride-rich and marine conditions. They are applied extensively in aerospace, marine, petrochemical, and medical technology industries where both precision and long-term durability are crucial. Specific uses include high-precision bearings for aerospace mechanisms, valve and pump components in chemical plants, and surgical implants or biomedical devices where biocompatibility and chemical resistance are vital. In research, these stainless-steel balls are instrumental in advancing surface treatments, such as nitriding and coating, to improve tribological behavior and resistance to aggressive media. Their synergy of corrosion resistance, wear performance, and mechanical resilience secures their continuing role in scientific progress and demanding industrial applications.
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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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