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SAE-AISI M4 Steel vs. N07750 Nickel

SAE-AISI M4 steel belongs to the iron alloys classification, while N07750 nickel belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is N07750 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
1200

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1560
1400
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
60
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 14
10
Embodied Energy, MJ/kg 210
150
Embodied Water, L/kg 110
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 72
40
Strength to Weight: Bending, points 23 to 45
30
Thermal Diffusivity, mm2/s 6.9
3.3
Thermal Shock Resistance, points 24 to 68
36

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Carbon (C), % 1.3 to 1.4
0 to 0.080
Chromium (Cr), % 3.8 to 4.8
14 to 17
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 75.9 to 81.4
5.0 to 9.0
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.3 to 5.5
0
Nickel (Ni), % 0 to 0.3
70 to 77.7
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
2.3 to 2.8
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0