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ASTM B617 Coin Silver vs. S31277 Stainless Steel

ASTM B617 coin silver belongs to the otherwise unclassified metals classification, while S31277 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is ASTM B617 coin silver and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
210
Elongation at Break, % 1.1 to 22
45
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 28
80
Shear Strength, MPa 180 to 290
600
Tensile Strength: Ultimate (UTS), MPa 290 to 520
860

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
460
Thermal Expansion, µm/m-K 19
16

Otherwise Unclassified Properties

Density, g/cm3 10
8.1

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
29
Strength to Weight: Bending, points 9.3 to 14
25
Thermal Shock Resistance, points 14 to 25
19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
20.5 to 23
Copper (Cu), % 9.0 to 10.4
0.5 to 1.5
Iron (Fe), % 0 to 0.050
35.5 to 46.2
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0 to 0.010
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 89.6 to 91
0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.060
0