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EN 1.4710 Stainless Steel vs. Nickel 718

EN 1.4710 stainless steel belongs to the iron alloys classification, while nickel 718 belongs to the nickel alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is EN 1.4710 stainless 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, % 20
12 to 50
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
75

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 750
980
Melting Completion (Liquidus), °C 1430
1340
Melting Onset (Solidus), °C 1390
1260
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 24
11
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.4
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
75
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 1.8
13
Embodied Energy, MJ/kg 24
190
Embodied Water, L/kg 76
250

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 6.5
3.0

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.8
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.2 to 0.35
0 to 0.080
Chromium (Cr), % 6.0 to 8.0
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 87.4 to 92.3
11.1 to 24.6
Manganese (Mn), % 0.5 to 1.0
0 to 0.35
Molybdenum (Mo), % 0 to 0.15
2.8 to 3.3
Nickel (Ni), % 0 to 0.5
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 1.0 to 2.5
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.65 to 1.2