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Nickel 718 vs. SAE-AISI 1017 Steel

Nickel 718 belongs to the nickel alloys classification, while SAE-AISI 1017 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 718 and the bottom bar is SAE-AISI 1017 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 50
20 to 30
Fatigue Strength, MPa 460 to 760
170 to 270
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 64
46 to 56
Shear Modulus, GPa 75
73
Shear Strength, MPa 660 to 950
280 to 290
Tensile Strength: Ultimate (UTS), MPa 930 to 1530
420 to 460
Tensile Strength: Yield (Proof), MPa 510 to 1330
220 to 390

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1340
1470
Melting Onset (Solidus), °C 1260
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.8
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 13
1.4
Embodied Energy, MJ/kg 190
18
Embodied Water, L/kg 250
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 390
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 660 to 4560
130 to 400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 31 to 51
15 to 16
Strength to Weight: Bending, points 25 to 35
16 to 17
Thermal Diffusivity, mm2/s 3.0
14
Thermal Shock Resistance, points 27 to 44
13 to 14

Alloy Composition

Aluminum (Al), % 0.2 to 0.8
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0 to 0.080
0.15 to 0.2
Chromium (Cr), % 17 to 21
0
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 11.1 to 24.6
99.11 to 99.55
Manganese (Mn), % 0 to 0.35
0.3 to 0.6
Molybdenum (Mo), % 2.8 to 3.3
0
Nickel (Ni), % 50 to 55
0
Niobium (Nb), % 4.8 to 5.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 0.65 to 1.2
0