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C36500 Muntz Metal vs. C26800 Brass

Both C36500 Muntz Metal and C26800 brass are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C36500 Muntz Metal and the bottom bar is C26800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.3
0.31
Rockwell B Hardness 45
53 to 91
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 400
310 to 650

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 900
930
Melting Onset (Solidus), °C 890
900
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
27
Electrical Conductivity: Equal Weight (Specific), % IACS 32
30

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 14
11 to 22
Strength to Weight: Bending, points 15
13 to 21
Thermal Diffusivity, mm2/s 40
37
Thermal Shock Resistance, points 13
10 to 22

Alloy Composition

Copper (Cu), % 58 to 61
64 to 68.5
Iron (Fe), % 0 to 0.15
0 to 0.050
Lead (Pb), % 0.25 to 0.7
0 to 0.15
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 37.5 to 41.8
31 to 36
Residuals, % 0
0 to 0.3