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ASTM B617 Coin Silver vs. AWS E3155

ASTM B617 coin silver belongs to the otherwise unclassified metals classification, while AWS E3155 belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (10, 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 E3155.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
210
Elongation at Break, % 1.1 to 22
23
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 28
81
Tensile Strength: Ultimate (UTS), MPa 290 to 520
770

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Melting Completion (Liquidus), °C 870
1460
Melting Onset (Solidus), °C 780
1410
Specific Heat Capacity, J/kg-K 250
450
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Density, g/cm3 10
8.4

Common Calculations

Stiffness to Weight: Axial, points 4.1
14
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 7.7 to 14
26
Strength to Weight: Bending, points 9.3 to 14
22
Thermal Shock Resistance, points 14 to 25
20

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 9.0 to 10.4
0 to 0.75
Iron (Fe), % 0 to 0.050
23.3 to 36.3
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.010
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
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
Tungsten (W), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.060
0