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AWS E409Nb vs. Nickel 725

AWS E409Nb belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E409Nb and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 500
860
Tensile Strength: Yield (Proof), MPa 380
350

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1460
1340
Melting Onset (Solidus), °C 1410
1270
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 2.9
13
Embodied Energy, MJ/kg 42
190
Embodied Water, L/kg 100
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 380
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 18
24
Thermal Shock Resistance, points 14
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 11 to 14
19 to 22.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 80.2 to 88.5
2.3 to 15.3
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 0 to 0.75
7.0 to 9.5
Nickel (Ni), % 0 to 0.6
55 to 59
Niobium (Nb), % 0.5 to 1.5
2.8 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7