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AWS E309Nb vs. AWS BAg-28

AWS E309Nb belongs to the iron alloys classification, while AWS BAg-28 belongs to the otherwise unclassified metals. There are 17 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 AWS BAg-28.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
88
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
33
Tensile Strength: Ultimate (UTS), MPa 620
150

Thermal Properties

Latent Heat of Fusion, J/g 300
140
Melting Completion (Liquidus), °C 1420
710
Melting Onset (Solidus), °C 1380
650
Specific Heat Capacity, J/kg-K 480
320
Thermal Expansion, µm/m-K 14
21

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 4.4
40
Embodied Energy, MJ/kg 64
630

Common Calculations

Stiffness to Weight: Axial, points 14
5.6
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 22
4.7
Strength to Weight: Bending, points 21
7.1
Thermal Shock Resistance, points 16
5.8

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 22 to 25
0
Copper (Cu), % 0 to 0.75
29 to 31
Iron (Fe), % 54.8 to 64.8
0
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 12 to 14
0
Niobium (Nb), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
39 to 41
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.5 to 2.5
Zinc (Zn), % 0
26 to 30
Residuals, % 0
0 to 0.15