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AWS E430Nb vs. AWS BAg-21

AWS E430Nb belongs to the iron alloys classification, while AWS BAg-21 belongs to the otherwise unclassified metals. There are 16 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 E430Nb and the bottom bar is AWS BAg-21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
85
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 77
31
Tensile Strength: Ultimate (UTS), MPa 500
150

Thermal Properties

Latent Heat of Fusion, J/g 280
140
Melting Completion (Liquidus), °C 1450
800
Melting Onset (Solidus), °C 1410
690
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 14
19

Otherwise Unclassified Properties

Density, g/cm3 7.7
9.8
Embodied Energy, MJ/kg 45
970

Common Calculations

Stiffness to Weight: Axial, points 14
4.8
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 18
4.2
Strength to Weight: Bending, points 18
6.4
Thermal Shock Resistance, points 13
6.6

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 15 to 18
0
Copper (Cu), % 0 to 0.75
27.5 to 29.5
Iron (Fe), % 76.2 to 84.5
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
2.0 to 3.0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
62 to 64
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
5.0 to 7.0
Residuals, % 0
0 to 0.15