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Nickel 625 vs. EN 1.4031 Stainless Steel

Nickel 625 belongs to the nickel alloys classification, while EN 1.4031 stainless steel belongs to the iron alloys. 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 EN 1.4031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
11 to 13
Fatigue Strength, MPa 240 to 320
220 to 400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 530 to 600
400 to 540
Tensile Strength: Ultimate (UTS), MPa 790 to 910
670 to 900
Tensile Strength: Yield (Proof), MPa 320 to 450
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 980
770
Melting Completion (Liquidus), °C 1350
1440
Melting Onset (Solidus), °C 1290
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 80
7.0
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 14
1.9
Embodied Energy, MJ/kg 190
27
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
380 to 1360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
24 to 32
Strength to Weight: Bending, points 22 to 24
22 to 27
Thermal Diffusivity, mm2/s 2.9
8.1
Thermal Shock Resistance, points 22 to 25
23 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0.36 to 0.42
Chromium (Cr), % 20 to 23
12.5 to 14.5
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 5.0
83 to 87.1
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 0.4
0

Comparable Variants