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SAE-AISI 8645 Steel vs. N06210 Nickel

SAE-AISI 8645 steel belongs to the iron alloys classification, while N06210 nickel belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8645 steel and the bottom bar is N06210 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 12 to 23
51
Fatigue Strength, MPa 280 to 350
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
85
Shear Strength, MPa 380 to 400
560
Tensile Strength: Ultimate (UTS), MPa 600 to 670
780
Tensile Strength: Yield (Proof), MPa 390 to 560
350

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 410
980
Melting Completion (Liquidus), °C 1460
1570
Melting Onset (Solidus), °C 1420
1510
Specific Heat Capacity, J/kg-K 470
420
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
85
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.5
17
Embodied Energy, MJ/kg 20
250
Embodied Water, L/kg 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
320
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 840
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 21 to 24
24
Strength to Weight: Bending, points 20 to 22
21
Thermal Shock Resistance, points 18 to 20
22

Alloy Composition

Carbon (C), % 0.43 to 0.48
0 to 0.015
Chromium (Cr), % 0.4 to 0.6
18 to 20
Cobalt (Co), % 0
0 to 1.0
Iron (Fe), % 96.5 to 97.7
0 to 1.0
Manganese (Mn), % 0.75 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.15 to 0.25
18 to 20
Nickel (Ni), % 0.4 to 0.7
54.8 to 62.5
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
Tantalum (Ta), % 0
1.5 to 2.2
Vanadium (V), % 0
0 to 0.35