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AWS E309Nb vs. Nickel 625

AWS E309Nb belongs to the iron alloys classification, while nickel 625 belongs to the nickel 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 AWS E309Nb and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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