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SAE-AISI M6 Steel vs. EN 2.4665 Nickel

SAE-AISI M6 steel belongs to the iron alloys classification, while EN 2.4665 nickel belongs to the nickel alloys. They have a modest 30% 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 2.4665 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 840 to 2210
790

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1560
1460
Melting Onset (Solidus), °C 1510
1410
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 39
55
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 8.0
9.2
Embodied Energy, MJ/kg 120
130
Embodied Water, L/kg 160
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 28 to 73
26
Strength to Weight: Bending, points 24 to 45
22
Thermal Diffusivity, mm2/s 4.7
3.2
Thermal Shock Resistance, points 26 to 68
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0 to 0.010
Carbon (C), % 0.75 to 0.85
0.050 to 0.15
Chromium (Cr), % 3.8 to 4.5
20.5 to 23
Cobalt (Co), % 11 to 13
0.5 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 68.8 to 74.6
17 to 20
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.5 to 5.5
8.0 to 10
Nickel (Ni), % 0
40.3 to 53.8
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 3.8 to 4.8
0.2 to 1.0
Vanadium (V), % 1.3 to 1.7
0