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Nickel 617 vs. SAE-AISI M6 Steel

Nickel 617 belongs to the nickel alloys classification, while SAE-AISI M6 steel belongs to the iron alloys. They have a modest 23% 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 nickel 617 and the bottom bar is SAE-AISI M6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 740
840 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 1380
1560
Melting Onset (Solidus), °C 1330
1510
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
39
Density, g/cm3 8.5
8.4
Embodied Carbon, kg CO2/kg material 10
8.0
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 350
160

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 24
28 to 73
Strength to Weight: Bending, points 21
24 to 45
Thermal Diffusivity, mm2/s 3.5
4.7
Thermal Shock Resistance, points 21
26 to 68

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.050 to 0.15
0.75 to 0.85
Chromium (Cr), % 20 to 24
3.8 to 4.5
Cobalt (Co), % 10 to 15
11 to 13
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
68.8 to 74.6
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 8.0 to 10
4.5 to 5.5
Nickel (Ni), % 44.5 to 62
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
3.8 to 4.8
Vanadium (V), % 0
1.3 to 1.7