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Nickel 689 vs. Automotive Malleable Cast Iron

Nickel 689 belongs to the nickel alloys classification, while automotive malleable cast iron belongs to the iron alloys. There are 24 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 nickel 689 and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
130 to 290
Elastic (Young's, Tensile) Modulus, GPa 210
180
Elongation at Break, % 23
1.0 to 10
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
70
Tensile Strength: Ultimate (UTS), MPa 1250
350 to 720
Tensile Strength: Yield (Proof), MPa 690
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.9
Density, g/cm3 8.5
7.6
Embodied Carbon, kg CO2/kg material 11
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 330
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
130 to 950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
13 to 26
Strength to Weight: Bending, points 30
14 to 24
Thermal Shock Resistance, points 35
9.9 to 21

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
2.2 to 2.9
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
93.6 to 96.7
Manganese (Mn), % 0 to 0.5
0.15 to 1.3
Molybdenum (Mo), % 9.0 to 10.5
0
Nickel (Ni), % 48.3 to 60.9
0
Phosphorus (P), % 0 to 0.015
0.020 to 0.15
Silicon (Si), % 0 to 0.5
0.9 to 1.9
Sulfur (S), % 0 to 0.015
0.020 to 0.2
Titanium (Ti), % 2.3 to 2.8
0