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S41045 Stainless Steel vs. N06025 Nickel

S41045 stainless steel belongs to the iron alloys classification, while N06025 nickel belongs to the nickel alloys. They have a modest 23% 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 (4, in this case) are not shown.

For each property being compared, the top bar is S41045 stainless steel and the bottom bar is N06025 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
32
Fatigue Strength, MPa 160
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 280
500
Tensile Strength: Ultimate (UTS), MPa 430
760
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 740
1000
Melting Completion (Liquidus), °C 1450
1350
Melting Onset (Solidus), °C 1400
1300
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 29
11
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
50
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.2
8.4
Embodied Energy, MJ/kg 31
120
Embodied Water, L/kg 100
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
190
Resilience: Unit (Modulus of Resilience), kJ/m3 140
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
26
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 7.8
2.9
Thermal Shock Resistance, points 16
21

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.4
Carbon (C), % 0 to 0.030
0.15 to 0.25
Chromium (Cr), % 12 to 13
24 to 26
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 83.8 to 88
8.0 to 11
Manganese (Mn), % 0 to 1.0
0 to 0.15
Nickel (Ni), % 0 to 0.5
59.2 to 65.9
Niobium (Nb), % 0 to 0.6
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.1 to 0.2
Yttrium (Y), % 0
0.050 to 0.12
Zinc (Zn), % 0
0.010 to 0.1