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Spring-hard Silver vs. Spring-tempered 90-silver 10-nickel

Both spring-hard silver and spring-tempered 90-silver 10-nickel are otherwise unclassified metals. Both are furnished in the spring temper. They have a moderately high 90% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is spring-hard silver and the bottom bar is spring-tempered 90-silver 10-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
82
Poisson's Ratio 0.37
0.36
Shear Modulus, GPa 26
30
Tensile Strength: Ultimate (UTS), MPa 340
420

Thermal Properties

Latent Heat of Fusion, J/g 110
130
Melting Completion (Liquidus), °C 960
840
Melting Onset (Solidus), °C 960
960
Specific Heat Capacity, J/kg-K 240
260
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
90
Electrical Conductivity: Equal Weight (Specific), % IACS 87
79

Otherwise Unclassified Properties

Density, g/cm3 10
10

Common Calculations

Stiffness to Weight: Axial, points 3.8
4.4
Stiffness to Weight: Bending, points 13
14
Strength to Weight: Axial, points 8.9
11
Strength to Weight: Bending, points 10
12
Thermal Shock Resistance, points 17
19

Alloy Composition


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Nickel (Ni), % 0
8.8 to 11
Silver (Ag), % 99.9 to 100
89 to 91
Residuals, % 0 to 0.1
0 to 0.2