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ASTM B617 Coin Silver vs. AWS E312

ASTM B617 coin silver belongs to the otherwise unclassified metals classification, while AWS E312 belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM B617 coin silver and the bottom bar is AWS E312.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
200
Elongation at Break, % 1.1 to 22
25
Poisson's Ratio 0.37
0.27
Shear Modulus, GPa 28
80
Tensile Strength: Ultimate (UTS), MPa 290 to 520
740

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Melting Completion (Liquidus), °C 870
1410
Melting Onset (Solidus), °C 780
1360
Specific Heat Capacity, J/kg-K 250
480
Thermal Expansion, µm/m-K 19
15

Otherwise Unclassified Properties

Density, g/cm3 10
7.7

Common Calculations

Stiffness to Weight: Axial, points 4.1
15
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 7.7 to 14
27
Strength to Weight: Bending, points 9.3 to 14
24
Thermal Shock Resistance, points 14 to 25
18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
28 to 32
Copper (Cu), % 9.0 to 10.4
0 to 0.75
Iron (Fe), % 0 to 0.050
52.3 to 63.5
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.010
8.0 to 10.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 89.6 to 91
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.060
0