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AWS ERNiCrFe-6 vs. AWS ERNiCrMo-2

Both AWS ERNiCrFe-6 and AWS ERNiCrMo-2 are nickel alloys. Both are furnished in the as-welded condition. They have 68% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrFe-6 and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
81
Tensile Strength: Ultimate (UTS), MPa 630
750

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 13
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 55
55
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 9.8
9.2
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 260
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 3.3
2.9
Thermal Shock Resistance, points 19
20

Alloy Composition


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Carbon (C), % 0 to 0.080
0.050 to 0.15
Chromium (Cr), % 14 to 17
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 0 to 8.0
17 to 20
Manganese (Mn), % 2.0 to 2.7
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 67 to 81.5
40.3 to 53.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.5 to 3.5
0
Tungsten (W), % 0
0.2 to 1.0
Residuals, % 0 to 0.5
0 to 0.5