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C87700 Bronze vs. R05240 Alloy

C87700 bronze belongs to the copper alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C87700 bronze and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
150
Elongation at Break, % 3.6
25
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 42
57
Tensile Strength: Ultimate (UTS), MPa 300
270
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Specific Heat Capacity, J/kg-K 400
190
Thermal Expansion, µm/m-K 18
6.8

Otherwise Unclassified Properties

Density, g/cm3 8.5
14
Embodied Water, L/kg 310
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6
59
Resilience: Unit (Modulus of Resilience), kJ/m3 64
90
Stiffness to Weight: Axial, points 7.4
6.3
Stiffness to Weight: Bending, points 19
13
Strength to Weight: Axial, points 9.8
5.4
Strength to Weight: Bending, points 12
6.8
Thermal Shock Resistance, points 11
18

Alloy Composition

Antimony (Sb), % 0 to 0.1
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 87.5 to 90.5
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.5
0 to 0.010
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.25
0 to 0.010
Niobium (Nb), % 0
35 to 42
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.15
0
Silicon (Si), % 2.5 to 3.5
0 to 0.0050
Tantalum (Ta), % 0
57.9 to 65
Tin (Sn), % 0 to 2.0
0
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 7.0 to 9.0
0
Residuals, % 0 to 0.8
0