ASTM B617 Coin Silver vs. Z40101 Zinc

ASTM B617 coin silver belongs to the otherwise unclassified metals classification, while Z40101 zinc belongs to the zinc alloys. There are 18 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 ASTM B617 coin silver and the bottom bar is Z40101 zinc.

ASTM B617 Coin Silver Electrical Contact Alloy Zinc-Low Copper Rolled Zinc Alloy (Z40101)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		75
Elastic (Young's, Tensile) Modulus, GPa		87

Elongation at Break, %		1.1 to 22
Elongation at Break, %		44

Poisson's Ratio		0.37
Poisson's Ratio		0.25

Shear Modulus, GPa		28
Shear Modulus, GPa		35

Tensile Strength: Ultimate (UTS), MPa		290 to 520
Tensile Strength: Ultimate (UTS), MPa		130

Thermal Properties

Latent Heat of Fusion, J/g		120
Latent Heat of Fusion, J/g		110

Melting Completion (Liquidus), °C		870
Melting Completion (Liquidus), °C		410

Melting Onset (Solidus), °C		780
Melting Onset (Solidus), °C		400

Specific Heat Capacity, J/kg-K		250
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		83
Electrical Conductivity: Equal Volume, % IACS		27

Electrical Conductivity: Equal Weight (Specific), % IACS		72
Electrical Conductivity: Equal Weight (Specific), % IACS		37

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		6.6

Common Calculations

Stiffness to Weight: Axial, points		4.1
Stiffness to Weight: Axial, points		7.4

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		7.7 to 14
Strength to Weight: Axial, points		5.7

Strength to Weight: Bending, points		9.3 to 14
Strength to Weight: Bending, points		8.9

Thermal Shock Resistance, points		14 to 25
Thermal Shock Resistance, points		4.2

Alloy Composition

Aluminum (Al), %		0 to 0.0050
Aluminum (Al), %		0 to 0.010

Cadmium (Cd), %		0 to 0.050
Cadmium (Cd), %		0 to 0.0050

Copper (Cu), %		9.0 to 10.4
Copper (Cu), %		0.080 to 0.4

Iron (Fe), %		0 to 0.050
Iron (Fe), %		0 to 0.010

Lead (Pb), %		0 to 0.030
Lead (Pb), %		0 to 0.010

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

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

Silver (Ag), %		89.6 to 91
Silver (Ag), %		0

Tin (Sn), %		0
Tin (Sn), %		0 to 0.0030

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.020

Zinc (Zn), %		0 to 0.060
Zinc (Zn), %		99.542 to 99.92

Residuals, %		0 to 0.060
Residuals, %		0