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ASTM A387 Grade 22 Steel vs. N06002 Nickel

ASTM A387 grade 22 steel belongs to the iron alloys classification, while N06002 nickel belongs to the nickel alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 N06002 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 21
41
Fatigue Strength, MPa 160 to 240
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
81
Shear Strength, MPa 300 to 380
520
Tensile Strength: Ultimate (UTS), MPa 480 to 600
760
Tensile Strength: Yield (Proof), MPa 230 to 350
310

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 460
990
Melting Completion (Liquidus), °C 1470
1360
Melting Onset (Solidus), °C 1430
1260
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 40
9.9
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
55
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 1.7
9.3
Embodied Energy, MJ/kg 23
130
Embodied Water, L/kg 58
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
250
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17 to 21
25
Strength to Weight: Bending, points 17 to 20
22
Thermal Diffusivity, mm2/s 11
2.6
Thermal Shock Resistance, points 14 to 17
19

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.050 to 0.15
Chromium (Cr), % 2.0 to 2.5
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Iron (Fe), % 95.1 to 96.8
17 to 20
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
8.0 to 10
Nickel (Ni), % 0
42.3 to 54
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
0.2 to 1.0