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EN 1.4557 Stainless Steel vs. Nickel 625

EN 1.4557 stainless steel belongs to the iron alloys classification, while nickel 625 belongs to the nickel alloys. They have 48% 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 EN 1.4557 stainless steel and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
33 to 34
Fatigue Strength, MPa 260
240 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 560
790 to 910
Tensile Strength: Yield (Proof), MPa 300
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1090
980
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1420
1290
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
80
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 5.6
14
Embodied Energy, MJ/kg 76
190
Embodied Water, L/kg 190
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 210
260 to 490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19
26 to 29
Strength to Weight: Bending, points 19
22 to 24
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 12
22 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0 to 0.020
0 to 0.1
Chromium (Cr), % 19.5 to 20.5
20 to 23
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
0 to 5.0
Manganese (Mn), % 0 to 1.2
0 to 0.5
Molybdenum (Mo), % 6.0 to 7.0
8.0 to 10
Nickel (Ni), % 17.5 to 19.5
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0 to 0.4