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N08020 Stainless Steel vs. N07750 Nickel

N08020 stainless steel belongs to the iron alloys classification, while N07750 nickel belongs to the nickel alloys. They have 59% of their average alloy composition in common. 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 N08020 stainless steel and the bottom bar is N07750 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 34
25
Fatigue Strength, MPa 210 to 240
520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 380 to 410
770
Tensile Strength: Ultimate (UTS), MPa 610 to 620
1200
Tensile Strength: Yield (Proof), MPa 270 to 420
820

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 460
460
Thermal Conductivity, W/m-K 12
13
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 38
60
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 6.6
10
Embodied Energy, MJ/kg 92
150
Embodied Water, L/kg 220
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
270
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
1770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 3.2
3.3
Thermal Shock Resistance, points 15
36

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 19 to 21
14 to 17
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 3.0 to 4.0
0 to 0.5
Iron (Fe), % 29.9 to 44
5.0 to 9.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 38
70 to 77.7
Niobium (Nb), % 0 to 1.0
0.7 to 1.2
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.010
Titanium (Ti), % 0
2.3 to 2.8