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SAE-AISI A7 Steel vs. N06025 Nickel

SAE-AISI A7 steel belongs to the iron alloys classification, while N06025 nickel 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 A7 steel and the bottom bar is N06025 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
760

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1470
1350
Melting Onset (Solidus), °C 1430
1300
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 37
11
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
50
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 13
8.4
Embodied Energy, MJ/kg 200
120
Embodied Water, L/kg 100
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 77
26
Strength to Weight: Bending, points 25 to 48
22
Thermal Diffusivity, mm2/s 10
2.9
Thermal Shock Resistance, points 27 to 72
21

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.4
Carbon (C), % 2.0 to 2.9
0.15 to 0.25
Chromium (Cr), % 5.0 to 5.8
24 to 26
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 81.4 to 87.7
8.0 to 11
Manganese (Mn), % 0 to 0.8
0 to 0.15
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
59.2 to 65.9
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.1 to 0.2
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0
Yttrium (Y), % 0
0.050 to 0.12
Zinc (Zn), % 0
0.010 to 0.1