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C28000 Muntz Metal vs. C69710 Brass

Both C28000 Muntz Metal and C69710 brass are copper alloys. They have 79% 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 C28000 Muntz Metal and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 10 to 45
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
41
Shear Strength, MPa 230 to 330
300
Tensile Strength: Ultimate (UTS), MPa 330 to 610
470
Tensile Strength: Yield (Proof), MPa 150 to 370
230

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
930
Melting Onset (Solidus), °C 900
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 31
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
99
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
250
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 11 to 21
16
Strength to Weight: Bending, points 13 to 20
16
Thermal Diffusivity, mm2/s 40
12
Thermal Shock Resistance, points 11 to 20
16

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 59 to 63
75 to 80
Iron (Fe), % 0 to 0.070
0 to 0.2
Lead (Pb), % 0 to 0.3
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Silicon (Si), % 0
2.5 to 3.5
Zinc (Zn), % 36.3 to 41
13.8 to 22
Residuals, % 0
0 to 0.5