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R60901 Alloy vs. C74400 Nickel Silver

R60901 alloy belongs to the otherwise unclassified metals classification, while C74400 nickel silver belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R60901 alloy and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
110
Elongation at Break, % 17 to 22
43
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 37
39
Tensile Strength: Ultimate (UTS), MPa 500 to 580
350
Tensile Strength: Yield (Proof), MPa 350 to 390
120

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Specific Heat Capacity, J/kg-K 270
390
Thermal Conductivity, W/m-K 17
120
Thermal Expansion, µm/m-K 6.3
20

Otherwise Unclassified Properties

Density, g/cm3 6.6
8.2
Embodied Water, L/kg 270
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 760
63
Stiffness to Weight: Axial, points 8.3
7.4
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 21 to 25
12
Strength to Weight: Bending, points 21 to 24
14
Thermal Diffusivity, mm2/s 9.7
37
Thermal Shock Resistance, points 58 to 67
12

Alloy Composition

Copper (Cu), % 0
62 to 66
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Nickel (Ni), % 0
2.0 to 4.0
Niobium (Nb), % 2.4 to 2.8
0
Zinc (Zn), % 0
29.6 to 36
Zirconium (Zr), % 96.8 to 97.5
0
Residuals, % 0
0 to 0.3