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AWS E309Nb vs. Nickel 690

AWS E309Nb belongs to the iron alloys classification, while nickel 690 belongs to the nickel alloys. They have 46% of their average alloy composition in common. 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 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
3.4 to 34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 620
640 to 990

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
50
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 4.4
8.2
Embodied Energy, MJ/kg 64
120
Embodied Water, L/kg 180
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
21 to 33
Strength to Weight: Bending, points 21
20 to 27
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 16
16 to 25

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.050
Chromium (Cr), % 22 to 25
27 to 31
Copper (Cu), % 0 to 0.75
0 to 0.5
Iron (Fe), % 54.8 to 64.8
7.0 to 11
Manganese (Mn), % 0.5 to 2.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 12 to 14
58 to 66
Niobium (Nb), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015