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AWS ERNiCrFe-6 vs. EN 1.7321 Steel

AWS ERNiCrFe-6 belongs to the nickel alloys classification, while EN 1.7321 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrFe-6 and the bottom bar is EN 1.7321 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 630
490 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
2.5
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.8
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 260
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 21
17 to 52
Strength to Weight: Bending, points 19
18 to 36
Thermal Diffusivity, mm2/s 3.3
12
Thermal Shock Resistance, points 19
14 to 43

Alloy Composition


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Carbon (C), % 0 to 0.080
0.17 to 0.23
Chromium (Cr), % 14 to 17
0.3 to 0.6
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 0 to 8.0
97.1 to 98.4
Manganese (Mn), % 2.0 to 2.7
0.7 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.5
Nickel (Ni), % 67 to 81.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 2.5 to 3.5
0
Residuals, % 0 to 0.5
0