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SAE-AISI M4 Steel vs. N06650 Nickel

SAE-AISI M4 steel belongs to the iron alloys classification, while N06650 nickel belongs to the nickel alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is N06650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
82
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
900

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1610
1500
Melting Onset (Solidus), °C 1560
1450
Specific Heat Capacity, J/kg-K 440
440
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
60
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 14
10
Embodied Energy, MJ/kg 210
140
Embodied Water, L/kg 110
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 72
29
Strength to Weight: Bending, points 23 to 45
24
Thermal Shock Resistance, points 24 to 68
24

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.5
Carbon (C), % 1.3 to 1.4
0 to 0.030
Chromium (Cr), % 3.8 to 4.8
19 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 75.9 to 81.4
12 to 16
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Molybdenum (Mo), % 4.3 to 5.5
9.5 to 12.5
Nickel (Ni), % 0 to 0.3
44.4 to 58.9
Niobium (Nb), % 0
0.050 to 0.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 5.3 to 6.5
0.5 to 2.5
Vanadium (V), % 3.8 to 4.5
0