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ASTM A387 Grade 22 Steel vs. N08026 Nickel

ASTM A387 grade 22 steel belongs to the iron alloys classification, while N08026 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 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22 steel and the bottom bar is N08026 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
34
Fatigue Strength, MPa 160 to 240
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
80
Shear Strength, MPa 300 to 380
410
Tensile Strength: Ultimate (UTS), MPa 480 to 600
620
Tensile Strength: Yield (Proof), MPa 230 to 350
270

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 460
990
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
41
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 1.7
7.2
Embodied Energy, MJ/kg 23
98
Embodied Water, L/kg 58
240

Common Calculations

PREN (Pitting Resistance) 5.6
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 21
21
Strength to Weight: Bending, points 17 to 20
20
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 14 to 17
15

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
22 to 26
Copper (Cu), % 0
2.0 to 4.0
Iron (Fe), % 95.1 to 96.8
24.4 to 37.9
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
5.0 to 6.7
Nickel (Ni), % 0
33 to 37.2
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030