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N10665 Nickel vs. S40945 Stainless Steel

N10665 nickel belongs to the nickel alloys classification, while S40945 stainless steel belongs to the iron alloys. There are 31 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 N10665 nickel and the bottom bar is S40945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 45
25
Fatigue Strength, MPa 340
160
Poisson's Ratio 0.31
0.28
Rockwell B Hardness 86
69
Shear Modulus, GPa 84
75
Shear Strength, MPa 600
270
Tensile Strength: Ultimate (UTS), MPa 860
430
Tensile Strength: Yield (Proof), MPa 400
230

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 900
710
Melting Completion (Liquidus), °C 1620
1450
Melting Onset (Solidus), °C 1570
1410
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 11
26
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 75
8.0
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 15
2.2
Embodied Energy, MJ/kg 200
31
Embodied Water, L/kg 270
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
89
Resilience: Unit (Modulus of Resilience), kJ/m3 360
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 26
15
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 3.1
6.9
Thermal Shock Resistance, points 27
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 0 to 1.0
10.5 to 11.7
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 2.0
85.1 to 89.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 26 to 30
0
Nickel (Ni), % 64.8 to 74
0 to 0.5
Niobium (Nb), % 0
0.18 to 0.4
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.050 to 0.2