MakeItFrom.com
Menu (ESC)

Grade N7M Nickel vs. Automotive Malleable Cast Iron

Grade N7M nickel belongs to the nickel alloys classification, while automotive malleable cast iron belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade N7M nickel and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
180
Elongation at Break, % 22
1.0 to 10
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 85
70
Tensile Strength: Ultimate (UTS), MPa 590
350 to 720
Tensile Strength: Yield (Proof), MPa 310
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1650
1410
Melting Onset (Solidus), °C 1590
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 9.9
14

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.9
Density, g/cm3 9.3
7.6
Embodied Carbon, kg CO2/kg material 16
1.5
Embodied Energy, MJ/kg 200
20
Embodied Water, L/kg 270
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 220
130 to 950
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
13 to 26
Strength to Weight: Bending, points 17
14 to 24
Thermal Shock Resistance, points 19
9.9 to 21

Alloy Composition

Carbon (C), % 0 to 0.070
2.2 to 2.9
Chromium (Cr), % 0 to 1.0
0
Iron (Fe), % 0 to 3.0
93.6 to 96.7
Manganese (Mn), % 0 to 1.0
0.15 to 1.3
Molybdenum (Mo), % 30 to 33
0
Nickel (Ni), % 60.9 to 70
0
Phosphorus (P), % 0 to 0.040
0.020 to 0.15
Silicon (Si), % 0 to 1.0
0.9 to 1.9
Sulfur (S), % 0 to 0.030
0.020 to 0.2