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Automotive Malleable Cast Iron vs. Nickel 690

Automotive malleable cast iron belongs to the iron alloys classification, while nickel 690 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is automotive malleable cast iron and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 290
90
Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 1.0 to 10
3.4 to 34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 70
79
Tensile Strength: Ultimate (UTS), MPa 350 to 720
640 to 990
Tensile Strength: Yield (Proof), MPa 220 to 590
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 41
14
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
50
Density, g/cm3 7.6
8.3
Embodied Carbon, kg CO2/kg material 1.5
8.2
Embodied Energy, MJ/kg 20
120
Embodied Water, L/kg 45
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 30
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 950
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 13 to 26
21 to 33
Strength to Weight: Bending, points 14 to 24
20 to 27
Thermal Diffusivity, mm2/s 11
3.5
Thermal Shock Resistance, points 9.9 to 21
16 to 25

Alloy Composition

Carbon (C), % 2.2 to 2.9
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 93.6 to 96.7
7.0 to 11
Manganese (Mn), % 0.15 to 1.3
0 to 0.5
Nickel (Ni), % 0
58 to 66
Phosphorus (P), % 0.020 to 0.15
0
Silicon (Si), % 0.9 to 1.9
0 to 0.5
Sulfur (S), % 0.020 to 0.2
0 to 0.015

Comparable Variants