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Nickel 685 vs. AWS E33-31

Nickel 685 belongs to the nickel alloys classification, while AWS E33-31 belongs to the iron alloys. They have 54% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 1250
810

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1380
1380
Melting Onset (Solidus), °C 1330
1330
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 75
36
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 10
6.0
Embodied Energy, MJ/kg 140
86
Embodied Water, L/kg 340
260

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 42
28
Strength to Weight: Bending, points 31
24
Thermal Shock Resistance, points 37
19

Alloy Composition

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 0.030
Chromium (Cr), % 18 to 21
31 to 35
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0.4 to 0.8
Iron (Fe), % 0 to 2.0
24.7 to 34.8
Manganese (Mn), % 0 to 1.0
2.5 to 4.0
Molybdenum (Mo), % 3.5 to 5.0
1.0 to 2.0
Nickel (Ni), % 49.6 to 62.5
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0