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SAE-AISI 8630 Steel vs. Nickel 22

SAE-AISI 8630 steel belongs to the iron alloys classification, while nickel 22 belongs to the nickel alloys. There are 30 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 SAE-AISI 8630 steel and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 12 to 24
49
Fatigue Strength, MPa 260 to 350
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
84
Shear Strength, MPa 340 to 410
560
Tensile Strength: Ultimate (UTS), MPa 540 to 680
790
Tensile Strength: Yield (Proof), MPa 360 to 560
360

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 410
990
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 39
10
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
70
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
12
Embodied Energy, MJ/kg 20
170
Embodied Water, L/kg 50
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 110
320
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 840
300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 19 to 24
25
Strength to Weight: Bending, points 19 to 22
21
Thermal Diffusivity, mm2/s 10
2.7
Thermal Shock Resistance, points 18 to 23
24

Alloy Composition

Carbon (C), % 0.28 to 0.33
0 to 0.015
Chromium (Cr), % 0.4 to 0.6
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Iron (Fe), % 96.8 to 97.9
2.0 to 6.0
Manganese (Mn), % 0.7 to 0.9
0 to 0.015
Molybdenum (Mo), % 0.15 to 0.25
12.5 to 14.5
Nickel (Ni), % 0.4 to 0.7
50.8 to 63
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.080
Sulfur (S), % 0 to 0.040
0 to 0.020
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35