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ASTM B617 Coin Silver vs. EN 1.7720 Steel

ASTM B617 coin silver belongs to the otherwise unclassified metals classification, while EN 1.7720 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ASTM B617 coin silver and the bottom bar is EN 1.7720 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
190
Elongation at Break, % 1.1 to 22
19
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 290 to 520
590

Thermal Properties

Latent Heat of Fusion, J/g 120
250
Melting Completion (Liquidus), °C 870
1470
Melting Onset (Solidus), °C 780
1430
Specific Heat Capacity, J/kg-K 250
470
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 83
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 72
8.4

Otherwise Unclassified Properties

Density, g/cm3 10
7.9

Common Calculations

Stiffness to Weight: Axial, points 4.1
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 7.7 to 14
21
Strength to Weight: Bending, points 9.3 to 14
20
Thermal Shock Resistance, points 14 to 25
17

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0
0.3 to 0.5
Copper (Cu), % 9.0 to 10.4
0 to 0.3
Iron (Fe), % 0 to 0.050
96.6 to 98.6
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0 to 0.010
0 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0
0 to 0.45
Silver (Ag), % 89.6 to 91
0
Sulfur (S), % 0
0 to 0.020
Vanadium (V), % 0
0.22 to 0.3
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.060
0