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SAE-AISI M4 Steel vs. N06455 Nickel

SAE-AISI M4 steel belongs to the iron alloys classification, while N06455 nickel belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is N06455 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
780

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1610
1510
Melting Onset (Solidus), °C 1560
1450
Specific Heat Capacity, J/kg-K 440
430
Thermal Conductivity, W/m-K 25
10
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
65
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 14
12
Embodied Energy, MJ/kg 210
160
Embodied Water, L/kg 110
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 72
24
Strength to Weight: Bending, points 23 to 45
21
Thermal Diffusivity, mm2/s 6.9
2.7
Thermal Shock Resistance, points 24 to 68
24

Alloy Composition

Carbon (C), % 1.3 to 1.4
0 to 0.015
Chromium (Cr), % 3.8 to 4.8
14 to 18
Cobalt (Co), % 0
0 to 2.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 75.9 to 81.4
0 to 3.0
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.3 to 5.5
14 to 17
Nickel (Ni), % 0 to 0.3
58.1 to 72
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.7
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0