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C23400 Brass vs. C37000 Muntz Metal

Both C23400 brass and C37000 Muntz Metal are copper alloys. They have 78% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C23400 brass and the bottom bar is C37000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.32
0.31
Rockwell B Hardness 52 to 91
45
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 370 to 640
400

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 970
900
Melting Onset (Solidus), °C 930
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 19
21

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12 to 21
14
Strength to Weight: Bending, points 13 to 19
15
Thermal Diffusivity, mm2/s 36
39
Thermal Shock Resistance, points 12 to 22
13

Alloy Composition

Copper (Cu), % 81 to 84
59 to 62
Iron (Fe), % 0 to 0.050
0 to 0.15
Lead (Pb), % 0 to 0.050
0.8 to 1.5
Zinc (Zn), % 15.7 to 19
36 to 40.2
Residuals, % 0
0 to 0.4