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C28500 Muntz Metal vs. C26200 Brass

Both C28500 Muntz Metal and C26200 brass are copper alloys. They have 90% of their average alloy composition in common. There are 30 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 C28500 Muntz Metal and the bottom bar is C26200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 20
3.0 to 180
Poisson's Ratio 0.3
0.31
Rockwell B Hardness 150
55 to 93
Shear Modulus, GPa 40
41
Shear Strength, MPa 320
230 to 390
Tensile Strength: Ultimate (UTS), MPa 520
330 to 770
Tensile Strength: Yield (Proof), MPa 380
110 to 490

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 110
140
Melting Completion (Liquidus), °C 900
950
Melting Onset (Solidus), °C 890
920
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
28
Electrical Conductivity: Equal Weight (Specific), % IACS 33
31

Otherwise Unclassified Properties

Base Metal Price, % relative 22
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
19 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 700
62 to 1110
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 18
11 to 26
Strength to Weight: Bending, points 18
13 to 23
Thermal Diffusivity, mm2/s 33
38
Thermal Shock Resistance, points 17
11 to 26

Alloy Composition

Copper (Cu), % 57 to 59
67 to 70
Iron (Fe), % 0 to 0.35
0 to 0.050
Lead (Pb), % 0 to 0.25
0 to 0.070
Zinc (Zn), % 39.5 to 43
29.6 to 33
Residuals, % 0
0 to 0.3