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AWS ERNiCr-3 vs. EN 1.6781 Steel

AWS ERNiCr-3 belongs to the nickel alloys classification, while EN 1.6781 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCr-3 and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
17
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 630
830

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
5.0
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 11
1.9
Embodied Energy, MJ/kg 160
25
Embodied Water, L/kg 280
60

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 19
25
Thermal Shock Resistance, points 18
24

Alloy Composition

Carbon (C), % 0 to 0.1
0.15 to 0.19
Chromium (Cr), % 18 to 22
1.3 to 1.8
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
92.6 to 94.6
Manganese (Mn), % 2.5 to 3.5
0.55 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 67 to 77.5
3.0 to 3.5
Niobium (Nb), % 2.0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 0.75
0
Residuals, % 0 to 0.5
0