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C28000 Muntz Metal vs. SAE-AISI P20 Steel

C28000 Muntz Metal belongs to the copper alloys classification, while SAE-AISI P20 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is SAE-AISI P20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 330 to 610
540 to 1050

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Melting Completion (Liquidus), °C 900
1460
Melting Onset (Solidus), °C 900
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
45
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 31
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.6
Embodied Energy, MJ/kg 46
21
Embodied Water, L/kg 320
52

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 11 to 21
19 to 37
Strength to Weight: Bending, points 13 to 20
19 to 29
Thermal Diffusivity, mm2/s 40
12
Thermal Shock Resistance, points 11 to 20
18 to 35

Alloy Composition

Carbon (C), % 0
0.28 to 0.4
Chromium (Cr), % 0
0.4 to 2.0
Copper (Cu), % 59 to 63
0 to 0.25
Iron (Fe), % 0 to 0.070
95.2 to 98.5
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0.35 to 0.71
Molybdenum (Mo), % 0
0.3 to 0.55
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.8
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 36.3 to 41
0
Residuals, % 0 to 0.3
0