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Nickel 693 vs. SAE-AISI M44 Steel

Nickel 693 belongs to the nickel alloys classification, while SAE-AISI M44 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is nickel 693 and the bottom bar is SAE-AISI M44 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 660
870 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1350
1590
Melting Onset (Solidus), °C 1310
1540
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 9.1
14
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
43
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 9.9
9.9
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 320
170

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23
28 to 75
Strength to Weight: Bending, points 21
24 to 46
Thermal Diffusivity, mm2/s 2.3
3.7
Thermal Shock Resistance, points 19
27 to 70

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
1.1 to 1.2
Chromium (Cr), % 27 to 31
4.0 to 4.8
Cobalt (Co), % 0
11 to 12.3
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 2.5 to 6.0
65.3 to 70.6
Manganese (Mn), % 0 to 1.0
0.2 to 0.4
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 53.3 to 67.5
0 to 0.3
Niobium (Nb), % 0.5 to 2.5
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0.3 to 0.55
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 1.0
0
Tungsten (W), % 0
5.0 to 5.8
Vanadium (V), % 0
1.9 to 2.2