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SAE-AISI 1144 Steel vs. EN 2.4642 Nickel

SAE-AISI 1144 steel belongs to the iron alloys classification, while EN 2.4642 nickel belongs to the nickel alloys. 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 SAE-AISI 1144 steel and the bottom bar is EN 2.4642 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
34
Fatigue Strength, MPa 280 to 430
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 460 to 510
450
Tensile Strength: Ultimate (UTS), MPa 750 to 840
670
Tensile Strength: Yield (Proof), MPa 420 to 690
270

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1010
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
50
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.4
8.2
Embodied Energy, MJ/kg 19
120
Embodied Water, L/kg 47
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 1290
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 30
23
Strength to Weight: Bending, points 23 to 25
21
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 22 to 24
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.4 to 0.48
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97.5 to 98
7.0 to 11
Manganese (Mn), % 1.4 to 1.7
0 to 0.5
Nickel (Ni), % 0
55.9 to 66
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0.24 to 0.33
0 to 0.015