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S41045 Stainless Steel vs. EN 2.4668 Nickel

S41045 stainless steel belongs to the iron alloys classification, while EN 2.4668 nickel belongs to the nickel alloys. They have a modest 31% 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 (5, in this case) are not shown.

For each property being compared, the top bar is S41045 stainless steel and the bottom bar is EN 2.4668 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
14
Fatigue Strength, MPa 160
590
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Shear Strength, MPa 280
840
Tensile Strength: Ultimate (UTS), MPa 430
1390
Tensile Strength: Yield (Proof), MPa 230
1160

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 740
980
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 29
13
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
75
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.2
13
Embodied Energy, MJ/kg 31
190
Embodied Water, L/kg 100
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
3490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 16
46
Strength to Weight: Bending, points 16
33
Thermal Diffusivity, mm2/s 7.8
3.5
Thermal Shock Resistance, points 16
40

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.7
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0 to 0.030
0.020 to 0.080
Chromium (Cr), % 12 to 13
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 83.8 to 88
11.2 to 24.6
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 0
2.8 to 3.3
Nickel (Ni), % 0 to 0.5
50 to 55
Niobium (Nb), % 0 to 0.6
4.7 to 5.5
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.6 to 1.2