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AWS ERNiCrMo-2 vs. AWS ENiCrFe-3

Both AWS ERNiCrMo-2 and AWS ENiCrFe-3 are nickel alloys. Both are furnished in the as-welded condition. They have 69% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 81
74
Tensile Strength: Ultimate (UTS), MPa 750
630

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
65
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 9.2
11
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 270
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 20
18

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.1
Chromium (Cr), % 20.5 to 23
13 to 17
Cobalt (Co), % 0.5 to 2.5
0 to 0.12
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 17 to 20
0 to 10
Manganese (Mn), % 0 to 1.0
5.0 to 9.5
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 40.3 to 53.8
52 to 81
Niobium (Nb), % 0
1.0 to 2.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tantalum (Ta), % 0
0 to 0.3
Titanium (Ti), % 0
0 to 1.0
Tungsten (W), % 0.2 to 1.0
0
Residuals, % 0
0 to 0.5