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Austempered Cast Iron vs. C28000 Muntz Metal

Austempered cast iron belongs to the iron alloys classification, while C28000 Muntz Metal belongs to the copper alloys. There are 25 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 austempered cast iron and the bottom bar is C28000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
100
Elongation at Break, % 1.1 to 13
10 to 45
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 62 to 69
40
Tensile Strength: Ultimate (UTS), MPa 860 to 1800
330 to 610
Tensile Strength: Yield (Proof), MPa 560 to 1460
150 to 370

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Melting Completion (Liquidus), °C 1380
900
Melting Onset (Solidus), °C 1340
900
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 42
120
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
23
Density, g/cm3 7.5
8.0
Embodied Carbon, kg CO2/kg material 1.8
2.7
Embodied Energy, MJ/kg 25
46
Embodied Water, L/kg 48
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 95
27 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 3970
110 to 670
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 32 to 66
11 to 21
Strength to Weight: Bending, points 27 to 44
13 to 20
Thermal Diffusivity, mm2/s 11
40
Thermal Shock Resistance, points 25 to 53
11 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Arsenic (As), % 0 to 0.020
0
Carbon (C), % 3.4 to 3.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.8
59 to 63
Iron (Fe), % 89.6 to 94
0 to 0.070
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 0 to 0.040
0
Manganese (Mn), % 0.3 to 0.4
0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.040
0
Selenium (Se), % 0 to 0.030
0
Silicon (Si), % 2.3 to 2.7
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0 to 0.020
0
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 0
36.3 to 41
Residuals, % 0
0 to 0.3