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SAE-AISI 1144 Steel vs. N07776 Nickel

SAE-AISI 1144 steel belongs to the iron alloys classification, while N07776 nickel belongs to the nickel alloys. There are 27 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 1144 steel and the bottom bar is N07776 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
39
Fatigue Strength, MPa 280 to 430
220
Poisson's Ratio 0.29
0.3
Reduction in Area, % 34 to 40
57
Shear Modulus, GPa 72
79
Shear Strength, MPa 460 to 510
470
Tensile Strength: Ultimate (UTS), MPa 750 to 840
700
Tensile Strength: Yield (Proof), MPa 420 to 690
270

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
970
Melting Completion (Liquidus), °C 1450
1550
Melting Onset (Solidus), °C 1410
1500
Specific Heat Capacity, J/kg-K 470
430
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
85
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.4
15
Embodied Energy, MJ/kg 19
210
Embodied Water, L/kg 47
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 1290
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
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
20

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Carbon (C), % 0.4 to 0.48
0 to 0.030
Chromium (Cr), % 0
12 to 22
Iron (Fe), % 97.5 to 98
0 to 24.5
Manganese (Mn), % 1.4 to 1.7
0 to 1.0
Molybdenum (Mo), % 0
9.0 to 15
Nickel (Ni), % 0
50 to 60
Niobium (Nb), % 0
4.0 to 6.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0.24 to 0.33
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Tungsten (W), % 0
0.5 to 2.5