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C93700 Bronze vs. C37000 Muntz Metal

Both C93700 bronze and C37000 Muntz Metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C93700 bronze and the bottom bar is C37000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 99
100
Elongation at Break, % 20
40
Poisson's Ratio 0.35
0.31
Rockwell B Hardness 60
45
Shear Modulus, GPa 37
39
Tensile Strength: Ultimate (UTS), MPa 240
400
Tensile Strength: Yield (Proof), MPa 130
160

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 140
120
Melting Completion (Liquidus), °C 930
900
Melting Onset (Solidus), °C 760
890
Specific Heat Capacity, J/kg-K 350
380
Thermal Conductivity, W/m-K 47
120
Thermal Expansion, µm/m-K 19
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 33
23
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 57
45
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
130
Resilience: Unit (Modulus of Resilience), kJ/m3 79
120
Stiffness to Weight: Axial, points 6.2
7.2
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 7.5
14
Strength to Weight: Bending, points 9.6
15
Thermal Diffusivity, mm2/s 15
39
Thermal Shock Resistance, points 9.4
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 78 to 82
59 to 62
Iron (Fe), % 0 to 0.15
0 to 0.15
Lead (Pb), % 8.0 to 11
0.8 to 1.5
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.8
36 to 40.2
Residuals, % 0
0 to 0.4