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Nickel 690 vs. SAE-AISI M2 Steel

Nickel 690 belongs to the nickel alloys classification, while SAE-AISI M2 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is nickel 690 and the bottom bar is SAE-AISI M2 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 79
77
Tensile Strength: Ultimate (UTS), MPa 640 to 990
760 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1380
1610
Melting Onset (Solidus), °C 1340
1570
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 14
22
Thermal Expansion, µm/m-K 14
10

Otherwise Unclassified Properties

Base Metal Price, % relative 50
24
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 8.2
8.8
Embodied Energy, MJ/kg 120
130
Embodied Water, L/kg 290
98

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 33
25 to 71
Strength to Weight: Bending, points 20 to 27
22 to 44
Thermal Diffusivity, mm2/s 3.5
5.9
Thermal Shock Resistance, points 16 to 25
27 to 76

Alloy Composition

Carbon (C), % 0 to 0.050
0.78 to 1.1
Chromium (Cr), % 27 to 31
3.8 to 4.5
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 7.0 to 11
78.5 to 83.4
Manganese (Mn), % 0 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 58 to 66
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2

Comparable Variants