MakeItFrom.com
Menu (ESC)

Automotive Malleable Cast Iron vs. C70700 Copper-nickel

Automotive malleable cast iron belongs to the iron alloys classification, while C70700 copper-nickel belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is automotive malleable cast iron and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 290
73
Elastic (Young's, Tensile) Modulus, GPa 180
120
Elongation at Break, % 1.0 to 10
39
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 70
46
Tensile Strength: Ultimate (UTS), MPa 350 to 720
320
Tensile Strength: Yield (Proof), MPa 220 to 590
110

Thermal Properties

Latent Heat of Fusion, J/g 260
220
Melting Completion (Liquidus), °C 1410
1120
Melting Onset (Solidus), °C 1370
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 41
59
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
34
Density, g/cm3 7.6
8.9
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 20
52
Embodied Water, L/kg 45
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 30
100
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 950
51
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 13 to 26
10
Strength to Weight: Bending, points 14 to 24
12
Thermal Diffusivity, mm2/s 11
17
Thermal Shock Resistance, points 9.9 to 21
12

Alloy Composition

Carbon (C), % 2.2 to 2.9
0
Copper (Cu), % 0
88.5 to 90.5
Iron (Fe), % 93.6 to 96.7
0 to 0.050
Manganese (Mn), % 0.15 to 1.3
0 to 0.5
Nickel (Ni), % 0
9.5 to 10.5
Phosphorus (P), % 0.020 to 0.15
0
Silicon (Si), % 0.9 to 1.9
0
Sulfur (S), % 0.020 to 0.2
0
Residuals, % 0
0 to 0.5