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C91100 Bronze vs. C28000 Muntz Metal

Both C91100 bronze and C28000 Muntz Metal are copper alloys. They have 61% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C91100 bronze and the bottom bar is C28000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 2.0
10 to 45
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 240
330 to 610
Tensile Strength: Yield (Proof), MPa 170
150 to 370

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 950
900
Melting Onset (Solidus), °C 820
900
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 63
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
31

Otherwise Unclassified Properties

Base Metal Price, % relative 38
23
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 69
46
Embodied Water, L/kg 440
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
27 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110 to 670
Stiffness to Weight: Axial, points 6.7
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.7
11 to 21
Strength to Weight: Bending, points 9.9
13 to 20
Thermal Diffusivity, mm2/s 20
40
Thermal Shock Resistance, points 9.1
11 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 82 to 85
59 to 63
Iron (Fe), % 0 to 0.25
0 to 0.070
Lead (Pb), % 0 to 0.25
0 to 0.3
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 1.0
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 15 to 17
0
Zinc (Zn), % 0 to 0.25
36.3 to 41
Residuals, % 0
0 to 0.3