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CC481K Bronze vs. C37000 Muntz Metal

Both CC481K bronze and C37000 Muntz Metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. 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 CC481K bronze and the bottom bar is C37000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 4.5
40
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 350
400
Tensile Strength: Yield (Proof), MPa 180
160

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 1000
900
Melting Onset (Solidus), °C 880
890
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 64
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
27
Electrical Conductivity: Equal Weight (Specific), % IACS 10
30

Otherwise Unclassified Properties

Base Metal Price, % relative 35
23
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 3.7
2.7
Embodied Energy, MJ/kg 60
45
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
120
Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
14
Strength to Weight: Bending, points 13
15
Thermal Diffusivity, mm2/s 20
39
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.050
0
Copper (Cu), % 87 to 89.5
59 to 62
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 0 to 0.25
0.8 to 1.5
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.1
0
Phosphorus (P), % 0 to 1.0
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 10 to 11.5
0
Zinc (Zn), % 0 to 0.5
36 to 40.2
Residuals, % 0
0 to 0.4