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SAE-AISI M6 Steel vs. Nickel 617

SAE-AISI M6 steel belongs to the iron alloys classification, while nickel 617 belongs to the nickel 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 SAE-AISI M6 steel and the bottom bar is nickel 617.

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
740

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 39
75
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
350

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.75 to 0.85
0.050 to 0.15
Chromium (Cr), % 3.8 to 4.5
20 to 24
Cobalt (Co), % 11 to 13
10 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 68.8 to 74.6
0 to 3.0
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
44.5 to 62
Phosphorus (P), % 0 to 0.030
0
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
Vanadium (V), % 1.3 to 1.7
0