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N07750 Nickel vs. S41045 Stainless Steel

N07750 nickel belongs to the nickel alloys classification, while S41045 stainless steel belongs to the iron alloys. They have a modest 21% 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 N07750 nickel and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
25
Fatigue Strength, MPa 520
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 770
280
Tensile Strength: Ultimate (UTS), MPa 1200
430
Tensile Strength: Yield (Proof), MPa 820
230

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 960
740
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
29
Thermal Expansion, µm/m-K 12
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 60
8.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
2.2
Embodied Energy, MJ/kg 150
31
Embodied Water, L/kg 260
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
92
Resilience: Unit (Modulus of Resilience), kJ/m3 1770
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 40
16
Strength to Weight: Bending, points 30
16
Thermal Diffusivity, mm2/s 3.3
7.8
Thermal Shock Resistance, points 36
16

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 14 to 17
12 to 13
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 5.0 to 9.0
83.8 to 88
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 70 to 77.7
0 to 0.5
Niobium (Nb), % 0.7 to 1.2
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0