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AWS E309H vs. Nickel 725

AWS E309H belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. They have 43% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E309H and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 620
860

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Melting Completion (Liquidus), °C 1410
1340
Melting Onset (Solidus), °C 1370
1270
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 3.7
13
Embodied Energy, MJ/kg 52
190
Embodied Water, L/kg 180
270

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 16
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.040 to 0.15
0 to 0.030
Chromium (Cr), % 22 to 25
19 to 22.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 55.8 to 65.5
2.3 to 15.3
Manganese (Mn), % 0.5 to 2.5
0 to 0.35
Molybdenum (Mo), % 0 to 0.75
7.0 to 9.5
Nickel (Ni), % 12 to 14
55 to 59
Niobium (Nb), % 0
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