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Nickel 625 vs. EN 1.4361 Stainless Steel

Nickel 625 belongs to the nickel alloys classification, while EN 1.4361 stainless steel belongs to the iron alloys. They have a modest 36% 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 (5, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is EN 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
43
Fatigue Strength, MPa 240 to 320
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 530 to 600
440
Tensile Strength: Ultimate (UTS), MPa 790 to 910
630
Tensile Strength: Yield (Proof), MPa 320 to 450
250

Thermal Properties

Latent Heat of Fusion, J/g 330
350
Maximum Temperature: Mechanical, °C 980
940
Melting Completion (Liquidus), °C 1350
1370
Melting Onset (Solidus), °C 1290
1330
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 11
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 80
19
Density, g/cm3 8.6
7.6
Embodied Carbon, kg CO2/kg material 14
3.6
Embodied Energy, MJ/kg 190
52
Embodied Water, L/kg 290
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
220
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
23
Strength to Weight: Bending, points 22 to 24
21
Thermal Diffusivity, mm2/s 2.9
3.7
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 0.015
Chromium (Cr), % 20 to 23
16.5 to 18.5
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 5.0
58.7 to 65.8
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 8.0 to 10
0 to 0.2
Nickel (Ni), % 58 to 68.9
14 to 16
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.5
3.7 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.4
0