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CC765S Brass vs. C28500 Muntz Metal

Both CC765S brass and C28500 Muntz Metal 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 CC765S brass and the bottom bar is C28500 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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