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AWS E309Nb vs. EN 1.3963 Alloy

Both AWS E309Nb and EN 1.3963 alloy are iron alloys. They have 74% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E309Nb and the bottom bar is EN 1.3963 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
29
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 620
440

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 14
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.4
4.8
Embodied Energy, MJ/kg 64
66
Embodied Water, L/kg 180
110

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22
15
Strength to Weight: Bending, points 21
16
Thermal Shock Resistance, points 16
110

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.050
Chromium (Cr), % 22 to 25
0 to 0.25
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 54.8 to 64.8
60.5 to 64.9
Manganese (Mn), % 0.5 to 2.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.75
0 to 1.0
Nickel (Ni), % 12 to 14
35 to 37
Niobium (Nb), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0.1 to 0.2