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C28500 Muntz Metal vs. C33200 Brass

Both C28500 Muntz Metal and C33200 brass are copper alloys. They have 90% 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 C28500 Muntz Metal and the bottom bar is C33200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 20
7.0 to 60
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 40
40
Shear Strength, MPa 320
240 to 300
Tensile Strength: Ultimate (UTS), MPa 520
320 to 520
Tensile Strength: Yield (Proof), MPa 380
110 to 450

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 110
130
Melting Completion (Liquidus), °C 900
930
Melting Onset (Solidus), °C 890
900
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
26
Electrical Conductivity: Equal Weight (Specific), % IACS 33
28

Otherwise Unclassified Properties

Base Metal Price, % relative 22
24
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
35 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 700
60 to 960
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 18
11 to 17
Strength to Weight: Bending, points 18
13 to 17
Thermal Diffusivity, mm2/s 33
37
Thermal Shock Resistance, points 17
11 to 17

Alloy Composition

Copper (Cu), % 57 to 59
65 to 68
Iron (Fe), % 0 to 0.35
0 to 0.070
Lead (Pb), % 0 to 0.25
1.5 to 2.5
Zinc (Zn), % 39.5 to 43
29 to 33.5
Residuals, % 0
0 to 0.4