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SAE-AISI M3 Class 1 Steel vs. Nickel 693

SAE-AISI M3 class 1 steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel 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 SAE-AISI M3 class 1 steel and the bottom bar is nickel 693.

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
76
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
660

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1610
1350
Melting Onset (Solidus), °C 1570
1310
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 26
9.1
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
60
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 10
9.9
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 100
320

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 72
23
Strength to Weight: Bending, points 22 to 44
21
Thermal Diffusivity, mm2/s 7.2
2.3
Thermal Shock Resistance, points 24 to 67
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 1.0 to 1.1
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
27 to 31
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 76.9 to 82.9
2.5 to 6.0
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
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 0.010
Titanium (Ti), % 0
0 to 1.0
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.3 to 2.8
0