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C27400 Brass vs. C28000 Muntz Metal

Both C27400 brass and C28000 Muntz Metal are copper alloys. They have a very high 99% 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 C27400 brass and the bottom bar is C28000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 53 to 91
55 to 78
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 370 to 650
330 to 610

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 920
900
Melting Onset (Solidus), °C 870
900
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 21
21

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13 to 23
11 to 21
Strength to Weight: Bending, points 14 to 21
13 to 20
Thermal Diffusivity, mm2/s 37
40
Thermal Shock Resistance, points 12 to 22
11 to 20

Alloy Composition

Copper (Cu), % 61 to 64
59 to 63
Iron (Fe), % 0 to 0.1
0 to 0.070
Lead (Pb), % 0 to 0.050
0 to 0.3
Zinc (Zn), % 35.6 to 39
36.3 to 41
Residuals, % 0
0 to 0.3

Comparable Variants