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AWS ERNiCrMo-3 vs. EN 1.4374 Stainless Steel

AWS ERNiCrMo-3 belongs to the nickel alloys classification, while EN 1.4374 stainless steel belongs to the iron alloys. They have a modest 27% 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 (10, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-3 and the bottom bar is EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
40
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 870
800

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 80
14
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 14
2.9
Embodied Energy, MJ/kg 190
42
Embodied Water, L/kg 290
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28
29
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 2.8
4.0
Thermal Shock Resistance, points 25
17

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.010
0.050 to 0.1
Chromium (Cr), % 20 to 23
17.5 to 18.5
Copper (Cu), % 0 to 0.5
0 to 0.4
Iron (Fe), % 0 to 5.0
63.5 to 67.9
Manganese (Mn), % 0 to 0.5
9.0 to 10
Molybdenum (Mo), % 8.0 to 10
0 to 0.5
Nickel (Ni), % 58 to 68.9
5.0 to 6.0
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0.25 to 0.32
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.5
0.3 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0
Residuals, % 0 to 0.5
0