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SAE-AISI 4140 Steel vs. Nickel 59

SAE-AISI 4140 steel belongs to the iron alloys classification, while nickel 59 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4140 steel and the bottom bar is nickel 59.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 11 to 26
50
Fatigue Strength, MPa 360 to 650
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
84
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
990
Melting Completion (Liquidus), °C 1460
1500
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 43
10
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
65
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.5
12
Embodied Energy, MJ/kg 20
160
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
23
Strength to Weight: Axial, points 25 to 38
25
Strength to Weight: Bending, points 22 to 30
22
Thermal Diffusivity, mm2/s 12
2.7
Thermal Shock Resistance, points 20 to 32
15

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.4
Carbon (C), % 0.38 to 0.43
0 to 0.010
Chromium (Cr), % 0.8 to 1.1
22 to 24
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 96.8 to 97.8
0 to 1.5
Manganese (Mn), % 0.75 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.15 to 0.25
15 to 16.5
Nickel (Ni), % 0
56.2 to 62.9
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0.15 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.010