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EN 1.4029 Stainless Steel vs. AWS ERNiFeCr-2

EN 1.4029 stainless steel belongs to the iron alloys classification, while AWS ERNiFeCr-2 belongs to the nickel alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4029 stainless steel and the bottom bar is AWS ERNiFeCr-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 20
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 700 to 930
1300

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 30
12
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
75
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.0
13
Embodied Energy, MJ/kg 28
190
Embodied Water, L/kg 100
250

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25 to 33
43
Strength to Weight: Bending, points 23 to 27
32
Thermal Diffusivity, mm2/s 8.1
3.2
Thermal Shock Resistance, points 26 to 34
38

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.8
Boron (B), % 0
0 to 0.0030
Carbon (C), % 0.25 to 0.32
0 to 0.080
Chromium (Cr), % 12 to 13.5
17 to 21
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 82.8 to 87.6
11.6 to 24.6
Manganese (Mn), % 0 to 1.5
0 to 0.35
Molybdenum (Mo), % 0 to 0.6
2.8 to 3.3
Nickel (Ni), % 0
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0.15 to 0.25
0 to 0.015
Titanium (Ti), % 0
0.65 to 1.2
Residuals, % 0
0 to 0.5