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AWS ERNiCrFe-5 vs. EN 1.4740 Stainless Steel

AWS ERNiCrFe-5 belongs to the nickel alloys classification, while EN 1.4740 stainless steel belongs to the iron alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 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 AWS ERNiCrFe-5 and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
22
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
77

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1340
1370
Specific Heat Capacity, J/kg-K 450
490
Thermal Conductivity, W/m-K 14
18
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 65
9.5
Density, g/cm3 8.5
7.6
Embodied Carbon, kg CO2/kg material 11
2.3
Embodied Energy, MJ/kg 150
32
Embodied Water, L/kg 250
120

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 3.6
4.8

Alloy Composition

Carbon (C), % 0 to 0.080
0.3 to 0.5
Chromium (Cr), % 14 to 17
16 to 19
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 6.0 to 10
75.4 to 82.7
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 70 to 78.5
0 to 1.0
Niobium (Nb), % 1.5 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.35
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Residuals, % 0 to 0.5
0