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S46910 Stainless Steel vs. Nickel 718

S46910 stainless steel belongs to the iron alloys classification, while nickel 718 belongs to the nickel alloys. They have 44% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S46910 stainless steel and the bottom bar is nickel 718.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.2 to 11
12 to 50
Fatigue Strength, MPa 250 to 1020
460 to 760
Poisson's Ratio 0.28
0.29
Rockwell C Hardness 29 to 63
40
Shear Modulus, GPa 76
75
Shear Strength, MPa 410 to 1410
660 to 950
Tensile Strength: Ultimate (UTS), MPa 680 to 2470
930 to 1530
Tensile Strength: Yield (Proof), MPa 450 to 2290
510 to 1330

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Mechanical, °C 810
980
Melting Completion (Liquidus), °C 1460
1340
Melting Onset (Solidus), °C 1420
1260
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
75
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 4.1
13
Embodied Energy, MJ/kg 55
190
Embodied Water, L/kg 140
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48 to 130
140 to 390
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 4780
660 to 4560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 24 to 86
31 to 51
Strength to Weight: Bending, points 22 to 51
25 to 35
Thermal Shock Resistance, points 23 to 84
27 to 44

Alloy Composition

Aluminum (Al), % 0.15 to 0.5
0.2 to 0.8
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 11 to 13
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 1.5 to 3.5
0 to 0.3
Iron (Fe), % 65 to 76
11.1 to 24.6
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 3.0 to 5.0
2.8 to 3.3
Nickel (Ni), % 8.0 to 10
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.7
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.5 to 1.2
0.65 to 1.2

Comparable Variants