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SAE-AISI 1144 Steel vs. N06975 Nickel

SAE-AISI 1144 steel belongs to the iron alloys classification, while N06975 nickel belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1144 steel and the bottom bar is N06975 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
45
Fatigue Strength, MPa 280 to 430
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Shear Strength, MPa 460 to 510
470
Tensile Strength: Ultimate (UTS), MPa 750 to 840
660
Tensile Strength: Yield (Proof), MPa 420 to 690
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
13

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
8.9
Embodied Energy, MJ/kg 19
120
Embodied Water, L/kg 47
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 1290
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 30
22
Strength to Weight: Bending, points 23 to 25
20
Thermal Shock Resistance, points 22 to 24
18

Alloy Composition

Carbon (C), % 0.4 to 0.48
0 to 0.030
Chromium (Cr), % 0
23 to 26
Copper (Cu), % 0
0.7 to 1.2
Iron (Fe), % 97.5 to 98
10.2 to 23.6
Manganese (Mn), % 1.4 to 1.7
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0
47 to 52
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.24 to 0.33
0 to 0.030
Titanium (Ti), % 0
0.7 to 1.5