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Nickel 625 vs. EN 1.4931 Steel

Nickel 625 belongs to the nickel alloys classification, while EN 1.4931 steel belongs to the iron alloys. There are 29 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 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33 to 34
17
Fatigue Strength, MPa 240 to 320
410
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 790 to 910
810
Tensile Strength: Yield (Proof), MPa 320 to 450
620

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 980
600
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
24
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
11

Otherwise Unclassified Properties

Base Metal Price, % relative 80
8.5
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
2.9
Embodied Energy, MJ/kg 190
42
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
130
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
970
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
29
Strength to Weight: Bending, points 22 to 24
25
Thermal Diffusivity, mm2/s 2.9
6.5
Thermal Shock Resistance, points 22 to 25
22

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0.2 to 0.26
Chromium (Cr), % 20 to 23
11.3 to 12.2
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 5.0
83.2 to 86.8
Manganese (Mn), % 0 to 0.5
0.5 to 0.8
Molybdenum (Mo), % 8.0 to 10
1.0 to 1.2
Nickel (Ni), % 58 to 68.9
0 to 1.0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0 to 0.4
0
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35