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Nickel 685 vs. AWS ENiCrFe-3

Both nickel 685 and AWS ENiCrFe-3 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 (10, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is AWS ENiCrFe-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
34
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 1250
630

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1380
1370
Melting Onset (Solidus), °C 1330
1320
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
65
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 10
11
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 340
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 42
21
Strength to Weight: Bending, points 31
19
Thermal Shock Resistance, points 37
18

Alloy Composition


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Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0 to 0.1
Chromium (Cr), % 18 to 21
13 to 17
Cobalt (Co), % 12 to 15
0 to 0.12
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 0 to 2.0
0 to 10
Manganese (Mn), % 0 to 1.0
5.0 to 9.5
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
52 to 81
Niobium (Nb), % 0
1.0 to 2.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tantalum (Ta), % 0
0 to 0.3
Titanium (Ti), % 2.8 to 3.3
0 to 1.0
Zinc (Zn), % 0.020 to 0.12
0
Residuals, % 0
0 to 0.5