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Commercially Pure Silver vs. EN 1.4958 Stainless Steel

Commercially pure silver belongs to the otherwise unclassified metals classification, while EN 1.4958 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is commercially pure silver and the bottom bar is EN 1.4958 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 1.1 to 29
40
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 120 to 190
430
Tensile Strength: Ultimate (UTS), MPa 190 to 340
630

Thermal Properties

Latent Heat of Fusion, J/g 110
300
Melting Completion (Liquidus), °C 960
1400
Melting Onset (Solidus), °C 960
1350
Specific Heat Capacity, J/kg-K 240
480
Thermal Conductivity, W/m-K 420
12
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 87
2.0

Otherwise Unclassified Properties

Density, g/cm3 10
8.0

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 4.9 to 8.9
22
Strength to Weight: Bending, points 6.9 to 10
20
Thermal Diffusivity, mm2/s 170
3.2
Thermal Shock Resistance, points 9.5 to 17
15

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Carbon (C), % 0
0.030 to 0.080
Chromium (Cr), % 0
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0
41.1 to 50.6
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
30 to 32.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.7
Silver (Ag), % 99.9 to 100
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.2 to 0.5
Residuals, % 0 to 0.1
0