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SAE-AISI A8 Steel vs. Nickel 693

SAE-AISI A8 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 (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A8 steel and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
660

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1480
1350
Melting Onset (Solidus), °C 1430
1310
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 37
9.1
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
60
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.3
9.9
Embodied Energy, MJ/kg 31
140
Embodied Water, L/kg 73
320

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 68
23
Strength to Weight: Bending, points 22 to 44
21
Thermal Diffusivity, mm2/s 9.9
2.3
Thermal Shock Resistance, points 22 to 62
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0.5 to 0.6
0 to 0.15
Chromium (Cr), % 4.8 to 5.5
27 to 31
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 88.5 to 91.9
2.5 to 6.0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 1.2 to 1.7
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), % 0.75 to 1.1
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Tungsten (W), % 1.0 to 1.5
0