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SAE-AISI A2 Steel vs. N08221 Nickel

SAE-AISI A2 steel belongs to the iron alloys classification, while N08221 nickel belongs to the nickel alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A2 steel and the bottom bar is N08221 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 74
79
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
610

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
44
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.7
7.9
Embodied Energy, MJ/kg 38
110
Embodied Water, L/kg 73
240

Common Calculations

PREN (Pitting Resistance) 8.9
40
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 73
21
Strength to Weight: Bending, points 23 to 46
19
Thermal Shock Resistance, points 25 to 71
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 1.0 to 1.1
0 to 0.025
Chromium (Cr), % 4.8 to 5.5
20 to 22
Copper (Cu), % 0 to 0.25
1.5 to 3.0
Iron (Fe), % 89.4 to 93.3
22 to 33.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
5.0 to 6.5
Nickel (Ni), % 0 to 0.3
39 to 46
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.050
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0
Vanadium (V), % 0.15 to 0.5
0