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EN 1.4729 Stainless Steel vs. EN 2.4650 Nickel

EN 1.4729 stainless steel belongs to the iron alloys classification, while EN 2.4650 nickel belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, 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 EN 2.4650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 15
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
80

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 850
1010
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
80
Density, g/cm3 7.6
8.5
Embodied Carbon, kg CO2/kg material 2.1
10
Embodied Energy, MJ/kg 29
140
Embodied Water, L/kg 100
360

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 6.5
3.1

Alloy Composition

Aluminum (Al), % 0
0.3 to 0.6
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.3 to 0.5
0.040 to 0.080
Chromium (Cr), % 12 to 14
19 to 21
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 80.4 to 86.7
0 to 0.7
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 0 to 0.5
5.6 to 6.1
Nickel (Ni), % 0 to 1.0
46.9 to 54.2
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.0070
Titanium (Ti), % 0
1.9 to 2.4