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CC751S Brass vs. C36500 Muntz Metal

Both CC751S brass and C36500 Muntz Metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. 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 CC751S brass and the bottom bar is C36500 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 5.6
40
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 450
400
Tensile Strength: Yield (Proof), MPa 320
160

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 850
900
Melting Onset (Solidus), °C 810
890
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
28
Electrical Conductivity: Equal Weight (Specific), % IACS 28
32

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
130
Resilience: Unit (Modulus of Resilience), kJ/m3 480
120
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 15
14
Strength to Weight: Bending, points 16
15
Thermal Diffusivity, mm2/s 35
40
Thermal Shock Resistance, points 15
13

Alloy Composition


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Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 62.7 to 66
58 to 61
Iron (Fe), % 0.25 to 0.5
0 to 0.15
Lead (Pb), % 0.8 to 2.2
0.25 to 0.7
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.8
0
Silicon (Si), % 0.65 to 1.1
0
Tin (Sn), % 0 to 0.8
0 to 0.25
Zinc (Zn), % 27.9 to 35.6
37.5 to 41.8
Residuals, % 0
0 to 0.4