Grade 200 Nickel Balls

Grade 200 Nickel Balls are characterized by their excellent corrosion resistance, high thermal and electrical conductivity, and mechanical stability across a wide range of environments. Their purity and spherical geometry provide reliability in demanding applications where both conductivity and resistance to aggressive media are required. These nickel balls are widely used in electronics, aerospace, chemical processing, and energy storage industries. Specific applications include precision components for electronic connectors and switches, catalyst supports in chemical engineering, and solder joint technologies in advanced packaging systems. In research, Grade 200 Nickel Balls are integral to studies on nanoscale nickel structures, optimization of nickel ball production methods, and development of high-purity nickel-core solder balls for microelectronics. Their unique balance of durability, conductivity, and chemical resistance ensures ongoing significance in scientific exploration and industrial manufacturing.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Ball/Sphere

Diameter	Standard	±5%
Diameter	Precision	See Item

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	28
Crystal structure	Face centred cubic
Electronic structure	Ar 3d⁸ 4s²
Valences shown	0, 1, 2, 3
Atomic weight( amu )	58.69
Thermal neutron absorption cross-section( Barns )	4.54
Photo-electric work function( eV )	4.9
Natural isotope distribution( Mass No./% )	60/ 26.10
Natural isotope distribution( Mass No./% )	62/ 3.59
Natural isotope distribution( Mass No./% )	61/ 1.13
Natural isotope distribution( Mass No./% )	58/ 68.27
Natural isotope distribution( Mass No./% )	64/ 0.91
Atomic radius - Goldschmidt( nm )	0.125
Ionisation potential( No./eV )	2/ 18.2
Ionisation potential( No./eV )	4/ 54.9
Ionisation potential( No./eV )	6/ 108
Ionisation potential( No./eV )	1/ 7.63
Ionisation potential( No./eV )	3/ 35.2
Ionisation potential( No./eV )	5/ 75.5

Mechanical Properties

Element	Value
Hardness - Brinell	190
Hardness - Brinell	100
Material condition	Hard
Material condition	Soft
Poisson's ratio	0.312
Poisson's ratio	0.312
Bulk modulus( GPa )	177.3
Bulk modulus( GPa )	177.3
Tensile modulus( GPa )	199.5
Tensile modulus( GPa )	199.5
Izod toughness( J m⁻¹ )	160
Izod toughness( J m⁻¹ )	160
Tensile strength( MPa )	400
Tensile strength( MPa )	660
Yield strength( MPa )	150
Yield strength( MPa )	480

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	6.9@20@20°C
Temperature coefficient( K⁻¹ )	0.0068@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	-1.48

Physical Properties

Element	Value
Boiling point( C )	2732
Density( gcm⁻³ )	8.9@20
Density( gcm⁻³ )	8.9@20C

Thermal Properties

Element	Value
Melting point( C )	1453
Latent heat of evaporation( J g⁻¹ )	6378
Latent heat of fusion( J g⁻¹ )	292
Specific heat( J K⁻¹ kg⁻¹ )	444@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	90.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	13.3@0-100°C