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C28000 Muntz Metal vs. ACI-ASTM CH20 Steel

C28000 Muntz Metal belongs to the copper alloys classification, while ACI-ASTM CH20 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 CH20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 10 to 45
38
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 330 to 610
610
Tensile Strength: Yield (Proof), MPa 150 to 370
350

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
1430
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 31
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
20
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 46
53
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
200
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
300
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 11 to 21
22
Strength to Weight: Bending, points 13 to 20
21
Thermal Diffusivity, mm2/s 40
3.7
Thermal Shock Resistance, points 11 to 20
15

Alloy Composition

Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
22 to 26
Copper (Cu), % 59 to 63
0
Iron (Fe), % 0 to 0.070
54.7 to 66
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
12 to 15
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 36.3 to 41
0
Residuals, % 0 to 0.3
0