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AWS BVAg-8 vs. AWS E320LR

AWS BVAg-8 belongs to the otherwise unclassified metals classification, while AWS E320LR belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-8 and the bottom bar is AWS E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 84
200
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 31
77
Tensile Strength: Ultimate (UTS), MPa 170
580

Thermal Properties

Latent Heat of Fusion, J/g 140
300
Melting Completion (Liquidus), °C 780
1410
Melting Onset (Solidus), °C 780
1360
Specific Heat Capacity, J/kg-K 280
460
Thermal Expansion, µm/m-K 19
14

Otherwise Unclassified Properties

Density, g/cm3 10
8.2

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 4.7
20
Strength to Weight: Bending, points 6.8
19
Thermal Shock Resistance, points 7.6
15

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.030
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 27 to 29
3.0 to 4.0
Iron (Fe), % 0
32.7 to 42.5
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
1.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 36
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.0020
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.0010
0