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C28000 Muntz Metal vs. ACI-ASTM CN7M Steel

C28000 Muntz Metal belongs to the copper alloys classification, while ACI-ASTM CN7M 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 CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 10 to 45
44
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 330 to 610
480
Tensile Strength: Yield (Proof), MPa 150 to 370
200

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 900
1410
Melting Onset (Solidus), °C 900
1450
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 31
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 23
32
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.7
5.6
Embodied Energy, MJ/kg 46
78
Embodied Water, L/kg 320
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
170
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
110
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 11 to 21
17
Strength to Weight: Bending, points 13 to 20
17
Thermal Diffusivity, mm2/s 40
5.6
Thermal Shock Resistance, points 11 to 20
12

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 59 to 63
3.0 to 4.0
Iron (Fe), % 0 to 0.070
37.4 to 48.5
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 36.3 to 41
0
Residuals, % 0 to 0.3
0