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Nickel 625 vs. S35500 Stainless Steel

Nickel 625 belongs to the nickel alloys classification, while S35500 stainless steel belongs to the iron alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 625 and the bottom bar is S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33 to 34
14
Fatigue Strength, MPa 240 to 320
690 to 730
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 530 to 600
810 to 910
Tensile Strength: Ultimate (UTS), MPa 790 to 910
1330 to 1490
Tensile Strength: Yield (Proof), MPa 320 to 450
1200 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 980
870
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1290
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 80
16
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
3.5
Embodied Energy, MJ/kg 190
47
Embodied Water, L/kg 290
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
3610 to 4100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
47 to 53
Strength to Weight: Bending, points 22 to 24
34 to 37
Thermal Diffusivity, mm2/s 2.9
4.4
Thermal Shock Resistance, points 22 to 25
44 to 49

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0.1 to 0.15
Chromium (Cr), % 20 to 23
15 to 16
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 5.0
73.2 to 77.7
Manganese (Mn), % 0 to 0.5
0.5 to 1.3
Molybdenum (Mo), % 8.0 to 10
2.5 to 3.2
Nickel (Ni), % 58 to 68.9
4.0 to 5.0
Niobium (Nb), % 3.2 to 4.2
0.1 to 0.5
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.015
0 to 0.040
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

Comparable Variants