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C99700 Brass vs. C28000 Muntz Metal

Both C99700 brass and C28000 Muntz Metal are copper alloys. They have 82% of their average alloy composition in common. There are 26 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 C99700 brass and the bottom bar is C28000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 25
10 to 45
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 46
40
Tensile Strength: Ultimate (UTS), MPa 380
330 to 610
Tensile Strength: Yield (Proof), MPa 170
150 to 370

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 900
900
Melting Onset (Solidus), °C 880
900
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
31

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
27 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 120
110 to 670
Stiffness to Weight: Axial, points 8.3
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
11 to 21
Strength to Weight: Bending, points 14
13 to 20
Thermal Shock Resistance, points 11
11 to 20

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0
Copper (Cu), % 54 to 65.5
59 to 63
Iron (Fe), % 0 to 1.0
0 to 0.070
Lead (Pb), % 0 to 2.0
0 to 0.3
Manganese (Mn), % 11 to 15
0
Nickel (Ni), % 4.0 to 6.0
0
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
36.3 to 41
Residuals, % 0
0 to 0.3