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EN 1.4729 Stainless Steel vs. Nickel 625

EN 1.4729 stainless steel belongs to the iron alloys classification, while nickel 625 belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 15
33 to 34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
79

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 850
980
Melting Completion (Liquidus), °C 1420
1350
Melting Onset (Solidus), °C 1380
1290
Specific Heat Capacity, J/kg-K 490
440
Thermal Conductivity, W/m-K 24
11
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
80
Density, g/cm3 7.6
8.6
Embodied Carbon, kg CO2/kg material 2.1
14
Embodied Energy, MJ/kg 29
190
Embodied Water, L/kg 100
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 6.5
2.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0.3 to 0.5
0 to 0.1
Chromium (Cr), % 12 to 14
20 to 23
Cobalt (Co), % 0
0 to 1.0
Iron (Fe), % 80.4 to 86.7
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
8.0 to 10
Nickel (Ni), % 0 to 1.0
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 1.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.4