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C28500 Muntz Metal vs. CC765S Brass

Both C28500 Muntz Metal and CC765S brass are copper alloys. They have a moderately high 92% 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 CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
21
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 520
540
Tensile Strength: Yield (Proof), MPa 380
220

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 110
140
Melting Completion (Liquidus), °C 900
860
Melting Onset (Solidus), °C 890
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 100
91
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
30
Electrical Conductivity: Equal Weight (Specific), % IACS 33
34

Otherwise Unclassified Properties

Base Metal Price, % relative 22
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
90
Resilience: Unit (Modulus of Resilience), kJ/m3 700
220
Stiffness to Weight: Axial, points 7.3
7.6
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 33
28
Thermal Shock Resistance, points 17
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Copper (Cu), % 57 to 59
51 to 65
Iron (Fe), % 0 to 0.35
0.5 to 2.0
Lead (Pb), % 0 to 0.25
0 to 0.5
Manganese (Mn), % 0
0.3 to 3.0
Nickel (Ni), % 0
0 to 6.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 39.5 to 43
19.8 to 47.7
Residuals, % 0 to 0.9
0