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C28500 Muntz Metal vs. C99750 Brass

Both C28500 Muntz Metal and C99750 brass are copper alloys. They have 78% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
130
Elongation at Break, % 20
20 to 30
Poisson's Ratio 0.3
0.32
Rockwell B Hardness 150
77 to 82
Shear Modulus, GPa 40
48
Tensile Strength: Ultimate (UTS), MPa 520
450 to 520
Tensile Strength: Yield (Proof), MPa 380
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 110
160
Melting Completion (Liquidus), °C 900
840
Melting Onset (Solidus), °C 890
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 33
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 22
23
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 700
190 to 300
Stiffness to Weight: Axial, points 7.3
8.6
Stiffness to Weight: Bending, points 20
21
Strength to Weight: Axial, points 18
15 to 18
Strength to Weight: Bending, points 18
16 to 18
Thermal Shock Resistance, points 17
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Copper (Cu), % 57 to 59
55 to 61
Iron (Fe), % 0 to 0.35
0 to 1.0
Lead (Pb), % 0 to 0.25
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Nickel (Ni), % 0
0 to 5.0
Zinc (Zn), % 39.5 to 43
17 to 23
Residuals, % 0
0 to 0.3