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Nickel 825 vs. S30441 Stainless Steel

Nickel 825 belongs to the nickel alloys classification, while S30441 stainless steel belongs to the iron alloys. They have 60% 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 S30441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
45
Fatigue Strength, MPa 190
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 430
400
Tensile Strength: Ultimate (UTS), MPa 650
580
Tensile Strength: Yield (Proof), MPa 260
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Mechanical, °C 980
940
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 41
18
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 7.2
3.4
Embodied Energy, MJ/kg 100
50
Embodied Water, L/kg 230
150

Common Calculations

PREN (Pitting Resistance) 31
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 19.5 to 23.5
17.5 to 19.5
Copper (Cu), % 1.5 to 3.0
1.5 to 2.5
Iron (Fe), % 22 to 37.9
62 to 71.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 38 to 46
8.0 to 10.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.050
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.6 to 1.2
0
Tungsten (W), % 0
0.2 to 0.8