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85-silver 15-nickel vs. S21904 Stainless Steel

85-silver 15-nickel belongs to the otherwise unclassified metals classification, while S21904 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is 85-silver 15-nickel and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 88
200
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 32
78
Tensile Strength: Ultimate (UTS), MPa 260 to 470
700 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 140
290
Melting Completion (Liquidus), °C 870
1400
Melting Onset (Solidus), °C 960
1350
Specific Heat Capacity, J/kg-K 270
480
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 86
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 75
2.9

Otherwise Unclassified Properties

Density, g/cm3 10
7.7

Common Calculations

Stiffness to Weight: Axial, points 4.8
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 7.1 to 13
25 to 36
Strength to Weight: Bending, points 8.9 to 13
23 to 29
Thermal Shock Resistance, points 12 to 21
15 to 21

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
19 to 21.5
Iron (Fe), % 0
59.5 to 67.4
Manganese (Mn), % 0
8.0 to 10
Nickel (Ni), % 13.8 to 16
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 84 to 86
0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.2
0

Comparable Variants