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Nickel 825 vs. S32550 Stainless Steel

Nickel 825 belongs to the nickel alloys classification, while S32550 stainless steel belongs to the iron alloys. They have 63% of their average alloy composition in common. There are 31 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 nickel 825 and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
21
Fatigue Strength, MPa 190
400
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Shear Strength, MPa 430
540
Tensile Strength: Ultimate (UTS), MPa 650
860
Tensile Strength: Yield (Proof), MPa 260
620

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1400
1440
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
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 41
20
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 7.2
3.8
Embodied Energy, MJ/kg 100
53
Embodied Water, L/kg 230
180

Common Calculations

PREN (Pitting Resistance) 31
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
160
Resilience: Unit (Modulus of Resilience), kJ/m3 170
940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
31
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 2.9
4.4
Thermal Shock Resistance, points 17
23

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0 to 0.050
0 to 0.040
Chromium (Cr), % 19.5 to 23.5
24 to 27
Copper (Cu), % 1.5 to 3.0
1.5 to 2.5
Iron (Fe), % 22 to 37.9
57.2 to 67
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
2.9 to 3.9
Nickel (Ni), % 38 to 46
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.6 to 1.2
0