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C37000 Muntz Metal vs. C69400 Brass

Both C37000 Muntz Metal and C69400 brass are copper alloys. They have 75% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C37000 Muntz Metal and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 40
17
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
42
Shear Strength, MPa 270
350
Tensile Strength: Ultimate (UTS), MPa 400
570
Tensile Strength: Yield (Proof), MPa 160
270

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 900
920
Melting Onset (Solidus), °C 890
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 120
26
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 30
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
80
Resilience: Unit (Modulus of Resilience), kJ/m3 120
340
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14
19
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 39
7.7
Thermal Shock Resistance, points 13
20

Alloy Composition

Copper (Cu), % 59 to 62
80 to 83
Iron (Fe), % 0 to 0.15
0 to 0.2
Lead (Pb), % 0.8 to 1.5
0 to 0.3
Silicon (Si), % 0
3.5 to 4.5
Zinc (Zn), % 36 to 40.2
11.5 to 16.5
Residuals, % 0
0 to 0.5