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C28500 Muntz Metal vs. C28000 Muntz Metal

Both C28500 Muntz Metal and C28000 Muntz Metal are copper alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is C28500 Muntz Metal and the bottom bar is C28000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 20
10 to 45
Poisson's Ratio 0.3
0.31
Rockwell B Hardness 150
55 to 78
Shear Modulus, GPa 40
40
Shear Strength, MPa 320
230 to 330
Tensile Strength: Ultimate (UTS), MPa 520
330 to 610
Tensile Strength: Yield (Proof), MPa 380
150 to 370

Thermal Properties

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

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
23
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
27 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 700
110 to 670
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 18
11 to 21
Strength to Weight: Bending, points 18
13 to 20
Thermal Diffusivity, mm2/s 33
40
Thermal Shock Resistance, points 17
11 to 20

Alloy Composition

Copper (Cu), % 57 to 59
59 to 63
Iron (Fe), % 0 to 0.35
0 to 0.070
Lead (Pb), % 0 to 0.25
0 to 0.3
Zinc (Zn), % 39.5 to 43
36.3 to 41
Residuals, % 0
0 to 0.3