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AWS ERNiCrFe-6 vs. Nickel 684

Both AWS ERNiCrFe-6 and nickel 684 are nickel alloys. They have 74% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrFe-6 and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
11
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 630
1190

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1370
1370
Melting Onset (Solidus), °C 1320
1320
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
75
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 9.8
10
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 260
360

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 19
30
Thermal Shock Resistance, points 19
34

Alloy Composition


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Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 14 to 17
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 0 to 0.5
0 to 0.15
Iron (Fe), % 0 to 8.0
0 to 4.0
Manganese (Mn), % 2.0 to 2.7
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 67 to 81.5
42.7 to 64
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.35
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.5 to 3.5
2.5 to 3.3
Residuals, % 0 to 0.5
0