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EN 1.4477 Stainless Steel vs. Nickel 625

EN 1.4477 stainless steel belongs to the iron alloys classification, while nickel 625 belongs to the nickel alloys. They have a modest 33% 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 EN 1.4477 stainless steel and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 22 to 23
33 to 34
Fatigue Strength, MPa 420 to 490
240 to 320
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
79
Shear Strength, MPa 550 to 580
530 to 600
Tensile Strength: Ultimate (UTS), MPa 880 to 930
790 to 910
Tensile Strength: Yield (Proof), MPa 620 to 730
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1430
1350
Melting Onset (Solidus), °C 1380
1290
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 13
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
80
Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 3.7
14
Embodied Energy, MJ/kg 52
190
Embodied Water, L/kg 190
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
260 to 490
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 33
26 to 29
Strength to Weight: Bending, points 26 to 27
22 to 24
Thermal Diffusivity, mm2/s 3.5
2.9
Thermal Shock Resistance, points 23 to 25
22 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 28 to 30
20 to 23
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
0 to 5.0
Manganese (Mn), % 0.8 to 1.5
0 to 0.5
Molybdenum (Mo), % 1.5 to 2.6
8.0 to 10
Nickel (Ni), % 5.8 to 7.5
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.4