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ASTM B617 Coin Silver vs. Nickel 686

ASTM B617 coin silver belongs to the otherwise unclassified metals classification, while nickel 686 belongs to the nickel alloys. There are 19 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 nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
220
Elongation at Break, % 1.1 to 22
51
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 28
77
Shear Strength, MPa 180 to 290
560
Tensile Strength: Ultimate (UTS), MPa 290 to 520
780

Thermal Properties

Latent Heat of Fusion, J/g 120
320
Melting Completion (Liquidus), °C 870
1380
Melting Onset (Solidus), °C 780
1340
Specific Heat Capacity, J/kg-K 250
420
Thermal Expansion, µm/m-K 19
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 83
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 72
1.4

Otherwise Unclassified Properties

Density, g/cm3 10
9.0

Common Calculations

Stiffness to Weight: Axial, points 4.1
14
Stiffness to Weight: Bending, points 14
22
Strength to Weight: Axial, points 7.7 to 14
24
Strength to Weight: Bending, points 9.3 to 14
21
Thermal Shock Resistance, points 14 to 25
21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 9.0 to 10.4
0
Iron (Fe), % 0 to 0.050
0 to 5.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 0.75
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0 to 0.010
49.5 to 63
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0
0 to 0.080
Silver (Ag), % 89.6 to 91
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.060
0