70Ag-30Ni Alloy vs. C94700 Bronze

70Ag-30Ni alloy belongs to the otherwise unclassified metals classification, while C94700 bronze belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is 70Ag-30Ni alloy and the bottom bar is C94700 bronze.

70-Silver 30-Nickel Electrical Contact Alloy UNS C94700 Nickel-Tin Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.35
Poisson's Ratio		0.34

Shear Modulus, GPa		39
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		320 to 530
Tensile Strength: Ultimate (UTS), MPa		350 to 590

Thermal Properties

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		200

Melting Completion (Liquidus), °C		960
Melting Completion (Liquidus), °C		1030

Melting Onset (Solidus), °C		960
Melting Onset (Solidus), °C		900

Specific Heat Capacity, J/kg-K		300
Specific Heat Capacity, J/kg-K		380

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		69
Electrical Conductivity: Equal Volume, % IACS		12

Electrical Conductivity: Equal Weight (Specific), % IACS		62
Electrical Conductivity: Equal Weight (Specific), % IACS		12

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		8.8

Common Calculations

Stiffness to Weight: Axial, points		5.8
Stiffness to Weight: Axial, points		7.3

Stiffness to Weight: Bending, points		16
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		8.8 to 15
Strength to Weight: Axial, points		11 to 19

Strength to Weight: Bending, points		10 to 15
Strength to Weight: Bending, points		13 to 18

Thermal Shock Resistance, points		13 to 21
Thermal Shock Resistance, points		12 to 21

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.15

Copper (Cu), %		0
Copper (Cu), %		85 to 90

Iron (Fe), %		0
Iron (Fe), %		0 to 0.25

Lead (Pb), %		0
Lead (Pb), %		0 to 0.1

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.2

Nickel (Ni), %		28.8 to 31
Nickel (Ni), %		4.5 to 6.0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.050

Silicon (Si), %		0
Silicon (Si), %		0 to 0.0050

Silver (Ag), %		69 to 71
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.050

Tin (Sn), %		0
Tin (Sn), %		4.5 to 6.0

Zinc (Zn), %		0
Zinc (Zn), %		1.0 to 2.5

Residuals, %		0
Residuals, %		0 to 1.3