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C28500 Muntz Metal vs. C85400 Brass

Both C28500 Muntz Metal and C85400 brass are copper alloys. They have 87% 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 C28500 Muntz Metal and the bottom bar is C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 20
23
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 520
220
Tensile Strength: Yield (Proof), MPa 380
85

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 110
130
Melting Completion (Liquidus), °C 900
940
Melting Onset (Solidus), °C 890
940
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 100
89
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
20
Electrical Conductivity: Equal Weight (Specific), % IACS 33
22

Otherwise Unclassified Properties

Base Metal Price, % relative 22
25
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
40
Resilience: Unit (Modulus of Resilience), kJ/m3 700
35
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 18
7.5
Strength to Weight: Bending, points 18
9.9
Thermal Diffusivity, mm2/s 33
28
Thermal Shock Resistance, points 17
7.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Copper (Cu), % 57 to 59
65 to 70
Iron (Fe), % 0 to 0.35
0 to 0.7
Lead (Pb), % 0 to 0.25
1.5 to 3.8
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 39.5 to 43
24 to 32
Residuals, % 0
0 to 1.1