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Nickel 825 vs. S32950 Stainless Steel

Nickel 825 belongs to the nickel alloys classification, while S32950 stainless steel belongs to the iron alloys. They have 58% of their average alloy composition in common. There are 31 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 nickel 825 and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
17
Fatigue Strength, MPa 190
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Shear Strength, MPa 430
480
Tensile Strength: Ultimate (UTS), MPa 650
780
Tensile Strength: Yield (Proof), MPa 260
550

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
16
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 41
17
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 7.2
3.4
Embodied Energy, MJ/kg 100
47
Embodied Water, L/kg 230
180

Common Calculations

PREN (Pitting Resistance) 31
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170
730
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 2.9
4.3
Thermal Shock Resistance, points 17
21

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 19.5 to 23.5
26 to 29
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 22 to 37.9
60.3 to 69.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
1.0 to 2.5
Nickel (Ni), % 38 to 46
3.5 to 5.2
Nitrogen (N), % 0
0.15 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.050
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0.6 to 1.2
0