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Nickel 625 vs. EN 1.4587 Stainless Steel

Nickel 625 belongs to the nickel alloys classification, while EN 1.4587 stainless steel belongs to the iron alloys. They have 58% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is EN 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33 to 34
34
Fatigue Strength, MPa 240 to 320
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 790 to 910
540
Tensile Strength: Yield (Proof), MPa 320 to 450
250

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1350
1420
Melting Onset (Solidus), °C 1290
1370
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
17
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 80
36
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 14
6.3
Embodied Energy, MJ/kg 190
87
Embodied Water, L/kg 290
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
150
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 29
18
Strength to Weight: Bending, points 22 to 24
18
Thermal Diffusivity, mm2/s 2.9
4.5
Thermal Shock Resistance, points 22 to 25
13

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 20 to 23
24 to 26
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 0 to 5.0
32.7 to 41.9
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 8.0 to 10
4.0 to 5.0
Nickel (Ni), % 58 to 68.9
28 to 30
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0 to 0.4
0