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AWS ERNiCrFe-6 vs. AWS ENiCrMo-10

Both AWS ERNiCrFe-6 and AWS ENiCrMo-10 are nickel alloys. Both are furnished in the as-welded condition. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is AWS ERNiCrFe-6 and the bottom bar is AWS ENiCrMo-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 34
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
84
Tensile Strength: Ultimate (UTS), MPa 630
710

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1370
1550
Melting Onset (Solidus), °C 1320
1490
Specific Heat Capacity, J/kg-K 460
420
Thermal Conductivity, W/m-K 13
10
Thermal Expansion, µm/m-K 13
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 55
70
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 9.8
12
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 260
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.3
2.7
Thermal Shock Resistance, points 19
19

Alloy Composition


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Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 14 to 17
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 0 to 8.0
2.0 to 6.0
Manganese (Mn), % 2.0 to 2.7
0 to 1.0
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 67 to 81.5
48.4 to 63
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.5 to 3.5
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0 to 0.5
0 to 0.5