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C28000 Muntz Metal vs. ACI-ASTM CN3MN Steel

C28000 Muntz Metal belongs to the copper alloys classification, while ACI-ASTM CN3MN steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is ACI-ASTM CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 10 to 45
39
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 330 to 610
620
Tensile Strength: Yield (Proof), MPa 150 to 370
300

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 900
1460
Melting Onset (Solidus), °C 900
1410
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 120
13
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 31
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.7
6.2
Embodied Energy, MJ/kg 46
84
Embodied Water, L/kg 320
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
200
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
210
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 11 to 21
21
Strength to Weight: Bending, points 13 to 20
20
Thermal Diffusivity, mm2/s 40
3.4
Thermal Shock Resistance, points 11 to 20
14

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 59 to 63
0 to 0.75
Iron (Fe), % 0 to 0.070
41.4 to 50.3
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
23.5 to 25.5
Nitrogen (N), % 0
0.18 to 0.26
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 36.3 to 41
0
Residuals, % 0 to 0.3
0