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EN 1.8505 Steel vs. Nickel 718

EN 1.8505 steel belongs to the iron alloys classification, while nickel 718 belongs to the nickel alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.8505 steel and the bottom bar is nickel 718.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
12 to 50
Fatigue Strength, MPa 540
460 to 760
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
75
Shear Strength, MPa 630
660 to 950
Tensile Strength: Ultimate (UTS), MPa 1050
930 to 1530
Tensile Strength: Yield (Proof), MPa 860
510 to 1330

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 440
980
Melting Completion (Liquidus), °C 1450
1340
Melting Onset (Solidus), °C 1410
1260
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 39
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
75
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.6
13
Embodied Energy, MJ/kg 22
190
Embodied Water, L/kg 65
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140 to 390
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
660 to 4560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 37
31 to 51
Strength to Weight: Bending, points 30
25 to 35
Thermal Diffusivity, mm2/s 11
3.0
Thermal Shock Resistance, points 31
27 to 44

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0.2 to 0.8
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.28 to 0.35
0 to 0.080
Chromium (Cr), % 1.5 to 1.8
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 95.4 to 97.1
11.1 to 24.6
Manganese (Mn), % 0.4 to 0.7
0 to 0.35
Molybdenum (Mo), % 0.2 to 0.4
2.8 to 3.3
Nickel (Ni), % 0
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
0.65 to 1.2