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C86700 Bronze vs. C28500 Muntz Metal

Both C86700 bronze and C28500 Muntz Metal are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C86700 bronze and the bottom bar is C28500 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 17
20
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 630
520
Tensile Strength: Yield (Proof), MPa 250
380

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
110
Melting Completion (Liquidus), °C 880
900
Melting Onset (Solidus), °C 860
890
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 89
100
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
29
Electrical Conductivity: Equal Weight (Specific), % IACS 19
33

Otherwise Unclassified Properties

Base Metal Price, % relative 23
22
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
94
Resilience: Unit (Modulus of Resilience), kJ/m3 290
700
Stiffness to Weight: Axial, points 7.5
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 28
33
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Copper (Cu), % 55 to 60
57 to 59
Iron (Fe), % 1.0 to 3.0
0 to 0.35
Lead (Pb), % 0.5 to 1.5
0 to 0.25
Manganese (Mn), % 1.0 to 3.5
0
Nickel (Ni), % 0 to 1.0
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 30 to 38
39.5 to 43
Residuals, % 0
0 to 0.9