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SAE-AISI M6 Steel vs. EN 2.4650 Nickel

SAE-AISI M6 steel belongs to the iron alloys classification, while EN 2.4650 nickel belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 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 M6 steel and the bottom bar is EN 2.4650 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 77
80
Tensile Strength: Ultimate (UTS), MPa 840 to 2210
1090

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1560
1400
Melting Onset (Solidus), °C 1510
1350
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 39
80
Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 8.0
10
Embodied Energy, MJ/kg 120
140
Embodied Water, L/kg 160
360

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 28 to 73
36
Strength to Weight: Bending, points 24 to 45
28
Thermal Diffusivity, mm2/s 4.7
3.1
Thermal Shock Resistance, points 26 to 68
33

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.6
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.75 to 0.85
0.040 to 0.080
Chromium (Cr), % 3.8 to 4.5
19 to 21
Cobalt (Co), % 11 to 13
19 to 21
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 68.8 to 74.6
0 to 0.7
Manganese (Mn), % 0.15 to 0.4
0 to 0.6
Molybdenum (Mo), % 4.5 to 5.5
5.6 to 6.1
Nickel (Ni), % 0
46.9 to 54.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.0070
Titanium (Ti), % 0
1.9 to 2.4
Tungsten (W), % 3.8 to 4.8
0
Vanadium (V), % 1.3 to 1.7
0