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EN 2.4650 Nickel vs. S15700 Stainless Steel

EN 2.4650 nickel belongs to the nickel alloys classification, while S15700 stainless steel belongs to the iron alloys. They have a modest 26% 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4650 nickel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
1.1 to 29
Fatigue Strength, MPa 480
370 to 770
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 730
770 to 1070
Tensile Strength: Ultimate (UTS), MPa 1090
1180 to 1890
Tensile Strength: Yield (Proof), MPa 650
500 to 1770

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 1010
870
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 80
15
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
3.4
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 360
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
17 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
640 to 4660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 36
42 to 67
Strength to Weight: Bending, points 28
32 to 43
Thermal Diffusivity, mm2/s 3.1
4.2
Thermal Shock Resistance, points 33
39 to 63

Alloy Composition

Aluminum (Al), % 0.3 to 0.6
0.75 to 1.5
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.040 to 0.080
0 to 0.090
Chromium (Cr), % 19 to 21
14 to 16
Cobalt (Co), % 19 to 21
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.7
69.6 to 76.8
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 5.6 to 6.1
2.0 to 3.0
Nickel (Ni), % 46.9 to 54.2
6.5 to 7.7
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.0070
0 to 0.030
Titanium (Ti), % 1.9 to 2.4
0