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R60704 Alloy vs. C63800 Bronze

R60704 alloy belongs to the otherwise unclassified metals classification, while C63800 bronze belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is R60704 alloy and the bottom bar is C63800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
110
Elongation at Break, % 16
7.9 to 41
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 36
43
Tensile Strength: Ultimate (UTS), MPa 470
460 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 240
240
Specific Heat Capacity, J/kg-K 270
410
Thermal Conductivity, W/m-K 22
40
Thermal Expansion, µm/m-K 6.0
17

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.6
Embodied Water, L/kg 460
330

Common Calculations

Stiffness to Weight: Axial, points 8.1
7.4
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 20
15 to 33
Strength to Weight: Bending, points 20
15 to 26
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 58
17 to 36

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0.2 to 0.4
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0
92.4 to 95.8
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.2
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
1.5 to 2.1
Tin (Sn), % 1.0 to 2.0
0
Zinc (Zn), % 0
0 to 0.8
Zirconium (Zr), % 93 to 98.8
0
Residuals, % 0
0 to 0.5