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AWS BAg-21 vs. AWS E80C-B8

AWS BAg-21 belongs to the otherwise unclassified metals classification, while AWS E80C-B8 belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-21 and the bottom bar is AWS E80C-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
190
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 31
75
Tensile Strength: Ultimate (UTS), MPa 150
620

Thermal Properties

Latent Heat of Fusion, J/g 140
270
Melting Completion (Liquidus), °C 800
1450
Melting Onset (Solidus), °C 690
1410
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Density, g/cm3 9.8
7.8
Embodied Energy, MJ/kg 970
28

Common Calculations

Stiffness to Weight: Axial, points 4.8
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 4.2
22
Strength to Weight: Bending, points 6.4
21
Thermal Shock Resistance, points 6.6
17

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
8.0 to 10.5
Copper (Cu), % 27.5 to 29.5
0 to 0.35
Iron (Fe), % 0
85.5 to 90.6
Manganese (Mn), % 0
0.4 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 2.0 to 3.0
0 to 0.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.25 to 0.6
Silver (Ag), % 62 to 64
0
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 5.0 to 7.0
0
Vanadium (V), % 0
0 to 0.030
Residuals, % 0 to 0.15
0 to 0.5