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Nickel 625 vs. N08925 Stainless Steel

Nickel 625 belongs to the nickel alloys classification, while N08925 stainless steel belongs to the iron alloys. They have 55% 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 nickel 625 and the bottom bar is N08925 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33 to 34
45
Fatigue Strength, MPa 240 to 320
310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
80
Shear Strength, MPa 530 to 600
470
Tensile Strength: Ultimate (UTS), MPa 790 to 910
680
Tensile Strength: Yield (Proof), MPa 320 to 450
340

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1290
1410
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 11
13
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 80
33
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 14
6.2
Embodied Energy, MJ/kg 190
84
Embodied Water, L/kg 290
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
250
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 29
23
Strength to Weight: Bending, points 22 to 24
21
Thermal Diffusivity, mm2/s 2.9
3.5
Thermal Shock Resistance, points 22 to 25
15

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0 to 0.020
Chromium (Cr), % 20 to 23
19 to 21
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0.8 to 1.5
Iron (Fe), % 0 to 5.0
42.7 to 50.1
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
6.0 to 7.0
Nickel (Ni), % 58 to 68.9
24 to 26
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0