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SAE-AISI M2 Steel vs. Nickel 690

SAE-AISI M2 steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel 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 SAE-AISI M2 steel and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
640 to 990

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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

Comparable Variants