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Nickel 693 vs. SAE-AISI H12 Steel

Nickel 693 belongs to the nickel alloys classification, while SAE-AISI H12 steel belongs to the iron alloys. 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 nickel 693 and the bottom bar is SAE-AISI H12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 660
690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1350
1480
Melting Onset (Solidus), °C 1310
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 9.1
36
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
9.0
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 9.9
2.9
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 320
76

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
24 to 65
Strength to Weight: Bending, points 21
22 to 42
Thermal Diffusivity, mm2/s 2.3
9.8
Thermal Shock Resistance, points 19
22 to 60

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0.3 to 0.4
Chromium (Cr), % 27 to 31
4.8 to 5.5
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 2.5 to 6.0
87.8 to 91.7
Manganese (Mn), % 0 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
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
0.8 to 1.2
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 1.0
0
Tungsten (W), % 0
1.0 to 1.7
Vanadium (V), % 0
0 to 0.5