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AWS ENiCrFe-2 vs. AWS ERNiCr-3

Both AWS ENiCrFe-2 and AWS ERNiCr-3 are nickel alloys. Both are furnished in the as-welded condition. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is AWS ENiCrFe-2 and the bottom bar is AWS ERNiCr-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
34
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 790
630

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1390
1380
Melting Onset (Solidus), °C 1350
1330
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 65
70
Density, g/cm3 8.5
8.4
Embodied Carbon, kg CO2/kg material 11
11
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 260
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 24
18

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 13 to 17
18 to 22
Cobalt (Co), % 0 to 0.12
0 to 0.12
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 0 to 12
0 to 3.0
Manganese (Mn), % 1.0 to 3.5
2.5 to 3.5
Molybdenum (Mo), % 0.5 to 2.5
0
Nickel (Ni), % 62 to 85
67 to 77.5
Niobium (Nb), % 0.5 to 4.0
2.0 to 3.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
0 to 0.75
Residuals, % 0
0 to 0.5