Grade CW6M Nickel vs. ASTM B617 Coin Silver

Grade CW6M nickel belongs to the nickel alloys classification, while ASTM B617 coin silver belongs to the otherwise unclassified metals. There are 16 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 grade CW6M nickel and the bottom bar is ASTM B617 coin silver.

Grade CW6M (J30107) Cast Nickel ASTM B617 Coin Silver Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		220
Elastic (Young's, Tensile) Modulus, GPa		75

Elongation at Break, %		29
Elongation at Break, %		1.1 to 22

Poisson's Ratio		0.29
Poisson's Ratio		0.37

Shear Modulus, GPa		84
Shear Modulus, GPa		28

Tensile Strength: Ultimate (UTS), MPa		560
Tensile Strength: Ultimate (UTS), MPa		290 to 520

Thermal Properties

Latent Heat of Fusion, J/g		330
Latent Heat of Fusion, J/g		120

Melting Completion (Liquidus), °C		1530
Melting Completion (Liquidus), °C		870

Melting Onset (Solidus), °C		1470
Melting Onset (Solidus), °C		780

Specific Heat Capacity, J/kg-K		430
Specific Heat Capacity, J/kg-K		250

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		4.1

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

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		7.7 to 14

Strength to Weight: Bending, points		17
Strength to Weight: Bending, points		9.3 to 14

Thermal Shock Resistance, points		16
Thermal Shock Resistance, points		14 to 25

Alloy Composition

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

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

Carbon (C), %		0 to 0.070
Carbon (C), %		0

Chromium (Cr), %		17 to 20
Chromium (Cr), %		0

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

Iron (Fe), %		0 to 3.0
Iron (Fe), %		0 to 0.050

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

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0

Molybdenum (Mo), %		17 to 20
Molybdenum (Mo), %		0

Nickel (Ni), %		54.9 to 66
Nickel (Ni), %		0 to 0.010

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.020

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0

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

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0

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

Residuals, %		0
Residuals, %		0 to 0.060