Spring-tempered 85-silver 15-nickel vs. Spring-tempered ASTM B617

Both spring-tempered 85-silver 15-nickel and spring-tempered ASTM B617 are otherwise unclassified metals. Both are furnished in the spring temper. They have 85% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is spring-tempered 85-silver 15-nickel and the bottom bar is spring-tempered ASTM B617.

Spring-Tempered 85-Silver 15-Nickel Alloy Spring-Tempered ASTM B617 Coin Silver Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		88
Elastic (Young's, Tensile) Modulus, GPa		75

Poisson's Ratio		0.36
Poisson's Ratio		0.37

Shear Modulus, GPa		32
Shear Modulus, GPa		28

Tensile Strength: Ultimate (UTS), MPa		470
Tensile Strength: Ultimate (UTS), MPa		520

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		120

Melting Completion (Liquidus), °C		870
Melting Completion (Liquidus), °C		870

Melting Onset (Solidus), °C		960
Melting Onset (Solidus), °C		780

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		250

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		86
Electrical Conductivity: Equal Volume, % IACS		83

Electrical Conductivity: Equal Weight (Specific), % IACS		75
Electrical Conductivity: Equal Weight (Specific), % IACS		72

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		10

Common Calculations

Stiffness to Weight: Axial, points		4.8
Stiffness to Weight: Axial, points		4.1

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		14

Strength to Weight: Axial, points		13
Strength to Weight: Axial, points		14

Strength to Weight: Bending, points		13
Strength to Weight: Bending, points		14

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		25

Alloy Composition

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

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.050

Copper (Cu), %		0
Copper (Cu), %		9.0 to 10.4

Iron (Fe), %		0
Iron (Fe), %		0 to 0.050

Lead (Pb), %		0
Lead (Pb), %		0 to 0.030

Nickel (Ni), %		13.8 to 16
Nickel (Ni), %		0 to 0.010

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.020

Silver (Ag), %		84 to 86
Silver (Ag), %		89.6 to 91

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.060

Residuals, %		0 to 0.2
Residuals, %		0 to 0.060