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C37000 Muntz Metal vs. C68400 Brass

Both C37000 Muntz Metal and C68400 brass are copper alloys. They have a moderately high 95% of their average alloy composition in common. There are 29 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 C37000 Muntz Metal and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 40
18
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 39
41
Shear Strength, MPa 270
330
Tensile Strength: Ultimate (UTS), MPa 400
540
Tensile Strength: Yield (Proof), MPa 160
310

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 900
840
Melting Onset (Solidus), °C 890
820
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 120
66
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
87
Electrical Conductivity: Equal Weight (Specific), % IACS 30
99

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
81
Resilience: Unit (Modulus of Resilience), kJ/m3 120
460
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 14
19
Strength to Weight: Bending, points 15
19
Thermal Diffusivity, mm2/s 39
21
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 59 to 62
59 to 64
Iron (Fe), % 0 to 0.15
0 to 1.0
Lead (Pb), % 0.8 to 1.5
0 to 0.090
Manganese (Mn), % 0
0.2 to 1.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0.030 to 0.3
Silicon (Si), % 0
1.5 to 2.5
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 36 to 40.2
28.6 to 39.3
Residuals, % 0
0 to 0.5