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SAE-AISI A4 Steel vs. Nickel 80A

SAE-AISI A4 steel belongs to the iron alloys classification, while nickel 80A belongs to the nickel alloys. There are 23 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 A4 steel and the bottom bar is nickel 80A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
1040

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
11
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
55
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.8
9.8
Embodied Energy, MJ/kg 24
140
Embodied Water, L/kg 59
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 25 to 73
35
Strength to Weight: Bending, points 23 to 46
27
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 23 to 67
31

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.8
Carbon (C), % 1.0 to 1.1
0 to 0.1
Chromium (Cr), % 0.9 to 2.2
18 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92 to 95.5
0 to 3.0
Manganese (Mn), % 1.8 to 2.2
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
69.4 to 79.7
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.8 to 2.7