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Nickel 625 vs. Automotive Malleable Cast Iron

Nickel 625 belongs to the nickel alloys classification, while automotive malleable cast iron belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 33 to 34
1.0 to 10
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
70
Tensile Strength: Ultimate (UTS), MPa 790 to 910
350 to 720
Tensile Strength: Yield (Proof), MPa 320 to 450
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 1350
1410
Melting Onset (Solidus), °C 1290
1370
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
41
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 80
1.9
Density, g/cm3 8.6
7.6
Embodied Carbon, kg CO2/kg material 14
1.5
Embodied Energy, MJ/kg 190
20
Embodied Water, L/kg 290
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
130 to 950
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
13 to 26
Strength to Weight: Bending, points 22 to 24
14 to 24
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 22 to 25
9.9 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
2.2 to 2.9
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
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), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0
Niobium (Nb), % 3.2 to 4.2
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), % 0 to 0.4
0

Comparable Variants