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C28000 Muntz Metal vs. C46500 Brass

Both C28000 Muntz Metal and C46500 brass are copper alloys. Their average alloy composition is basically identical. There are 30 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 C28000 Muntz Metal and the bottom bar is C46500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 10 to 45
18 to 50
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 55 to 78
55 to 95
Shear Modulus, GPa 40
40
Shear Strength, MPa 230 to 330
280 to 380
Tensile Strength: Ultimate (UTS), MPa 330 to 610
380 to 610
Tensile Strength: Yield (Proof), MPa 150 to 370
190 to 490

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
26
Electrical Conductivity: Equal Weight (Specific), % IACS 31
29

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
99 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
170 to 1170
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 11 to 21
13 to 21
Strength to Weight: Bending, points 13 to 20
15 to 20
Thermal Diffusivity, mm2/s 40
38
Thermal Shock Resistance, points 11 to 20
13 to 20

Alloy Composition


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Arsenic (As), % 0
0.020 to 0.060
Copper (Cu), % 59 to 63
59 to 62
Iron (Fe), % 0 to 0.070
0 to 0.1
Lead (Pb), % 0 to 0.3
0 to 0.2
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 36.3 to 41
36.2 to 40.5
Residuals, % 0 to 0.3
0 to 0.4

Comparable Variants