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SAE-AISI 4140 Steel vs. N06210 Nickel

SAE-AISI 4140 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 4140 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, % 11 to 26
51
Fatigue Strength, MPa 360 to 650
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
85
Shear Strength, MPa 410 to 660
560
Tensile Strength: Ultimate (UTS), MPa 690 to 1080
780
Tensile Strength: Yield (Proof), MPa 590 to 990
350

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 420
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 2.4
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 51
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 180
320
Resilience: Unit (Modulus of Resilience), kJ/m3 920 to 2590
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 25 to 38
24
Strength to Weight: Bending, points 22 to 30
21
Thermal Shock Resistance, points 20 to 32
22

Alloy Composition

Carbon (C), % 0.38 to 0.43
0 to 0.015
Chromium (Cr), % 0.8 to 1.1
18 to 20
Cobalt (Co), % 0
0 to 1.0
Iron (Fe), % 96.8 to 97.8
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
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