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ACI-ASTM CF3 Steel vs. C28000 Muntz Metal

ACI-ASTM CF3 steel belongs to the iron alloys classification, while C28000 Muntz Metal belongs to the copper 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 ACI-ASTM CF3 steel and the bottom bar is C28000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 60
10 to 45
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 510
330 to 610
Tensile Strength: Yield (Proof), MPa 250
150 to 370

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Maximum Temperature: Mechanical, °C 960
120
Melting Completion (Liquidus), °C 1420
900
Melting Onset (Solidus), °C 1450
900
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 16
21

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.2
2.7
Embodied Energy, MJ/kg 45
46
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
27 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 160
110 to 670
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 18
11 to 21
Strength to Weight: Bending, points 18
13 to 20
Thermal Diffusivity, mm2/s 4.3
40
Thermal Shock Resistance, points 11
11 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 21
0
Copper (Cu), % 0
59 to 63
Iron (Fe), % 62.9 to 75
0 to 0.070
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
36.3 to 41
Residuals, % 0
0 to 0.3