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Nickel 625 vs. AWS E309Nb

Nickel 625 belongs to the nickel alloys classification, while AWS E309Nb belongs to the iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is AWS E309Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33 to 34
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 790 to 910
620

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Melting Completion (Liquidus), °C 1350
1420
Melting Onset (Solidus), °C 1290
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 80
25
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
4.4
Embodied Energy, MJ/kg 190
64
Embodied Water, L/kg 290
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
22
Strength to Weight: Bending, points 22 to 24
21
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 22 to 25
16

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0 to 0.12
Chromium (Cr), % 20 to 23
22 to 25
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 5.0
54.8 to 64.8
Manganese (Mn), % 0 to 0.5
0.5 to 2.5
Molybdenum (Mo), % 8.0 to 10
0 to 0.75
Nickel (Ni), % 58 to 68.9
12 to 14
Niobium (Nb), % 3.2 to 4.2
0.7 to 1.0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0