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Commercially Pure Silver vs. S40920 Stainless Steel

Commercially pure silver belongs to the otherwise unclassified metals classification, while S40920 stainless steel belongs to the iron alloys. There are 21 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 commercially pure silver and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 1.1 to 29
22
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 26
75
Shear Strength, MPa 120 to 190
270
Tensile Strength: Ultimate (UTS), MPa 190 to 340
430

Thermal Properties

Latent Heat of Fusion, J/g 110
270
Melting Completion (Liquidus), °C 960
1450
Melting Onset (Solidus), °C 960
1400
Specific Heat Capacity, J/kg-K 240
480
Thermal Conductivity, W/m-K 420
26
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 87
3.3

Otherwise Unclassified Properties

Density, g/cm3 10
7.7

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 4.9 to 8.9
15
Strength to Weight: Bending, points 6.9 to 10
16
Thermal Diffusivity, mm2/s 170
6.9
Thermal Shock Resistance, points 9.5 to 17
15

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Iron (Fe), % 0
85.1 to 89.4
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 99.9 to 100
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.5
Residuals, % 0 to 0.1
0