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EN 1.4588 Stainless Steel vs. AWS ERNiFeCr-2

EN 1.4588 stainless steel belongs to the iron alloys classification, while AWS ERNiFeCr-2 belongs to the nickel alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4588 stainless steel and the bottom bar is AWS ERNiFeCr-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 540
1300

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 33
75
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 6.2
13
Embodied Energy, MJ/kg 84
190
Embodied Water, L/kg 200
250

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18
43
Strength to Weight: Bending, points 18
32
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 11
38

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.8
Boron (B), % 0
0 to 0.0030
Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 19 to 21
17 to 21
Copper (Cu), % 0.5 to 1.5
0 to 0.3
Iron (Fe), % 41.2 to 50.4
11.6 to 24.6
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 6.0 to 7.0
2.8 to 3.3
Nickel (Ni), % 24 to 26
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
0.65 to 1.2
Residuals, % 0
0 to 0.5