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C28500 Muntz Metal vs. C34500 Brass

Both C28500 Muntz Metal and C34500 brass are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 20
12 to 28
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 40
40
Shear Strength, MPa 320
220 to 260
Tensile Strength: Ultimate (UTS), MPa 520
340 to 430
Tensile Strength: Yield (Proof), MPa 380
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 110
120
Melting Completion (Liquidus), °C 900
910
Melting Onset (Solidus), °C 890
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 21
21

Electrical Properties

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

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
45
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 700
69 to 160
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 18
12 to 15
Strength to Weight: Bending, points 18
13 to 16
Thermal Diffusivity, mm2/s 33
37
Thermal Shock Resistance, points 17
11 to 14

Alloy Composition

Copper (Cu), % 57 to 59
62 to 65
Iron (Fe), % 0 to 0.35
0 to 0.15
Lead (Pb), % 0 to 0.25
1.5 to 2.5
Zinc (Zn), % 39.5 to 43
32 to 36.5
Residuals, % 0
0 to 0.4