70Ag-30Ni Alloy vs. C85800 Brass

70Ag-30Ni alloy belongs to the otherwise unclassified metals classification, while C85800 brass belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is 70Ag-30Ni alloy and the bottom bar is C85800 brass.

70-Silver 30-Nickel Electrical Contact Alloy UNS C85800 Leaded Yellow Brass

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.35
Poisson's Ratio		0.31

Shear Modulus, GPa		39
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		320 to 530
Tensile Strength: Ultimate (UTS), MPa		380

Thermal Properties

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

Melting Completion (Liquidus), °C		960
Melting Completion (Liquidus), °C		900

Melting Onset (Solidus), °C		960
Melting Onset (Solidus), °C		870

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		20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		69
Electrical Conductivity: Equal Volume, % IACS		20

Electrical Conductivity: Equal Weight (Specific), % IACS		62
Electrical Conductivity: Equal Weight (Specific), % IACS		22

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		8.0

Common Calculations

Stiffness to Weight: Axial, points		5.8
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		16
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		8.8 to 15
Strength to Weight: Axial, points		13

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

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

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.55

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.050

Arsenic (As), %		0
Arsenic (As), %		0 to 0.050

Copper (Cu), %		0
Copper (Cu), %		57 to 69

Iron (Fe), %		0
Iron (Fe), %		0 to 0.5

Lead (Pb), %		0
Lead (Pb), %		0 to 1.5

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.25

Nickel (Ni), %		28.8 to 31
Nickel (Ni), %		0 to 0.5

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0
Silicon (Si), %		0 to 0.25

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

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

Tin (Sn), %		0
Tin (Sn), %		0 to 1.5

Zinc (Zn), %		0
Zinc (Zn), %		31 to 41

Residuals, %		0
Residuals, %		0 to 1.3