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AWS BVAg-18 vs. AWS E320

AWS BVAg-18 belongs to the otherwise unclassified metals classification, while AWS E320 belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-18 and the bottom bar is AWS E320.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
200
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 30
77
Tensile Strength: Ultimate (UTS), MPa 180
620

Thermal Properties

Latent Heat of Fusion, J/g 140
300
Melting Completion (Liquidus), °C 720
1410
Melting Onset (Solidus), °C 600
1360
Specific Heat Capacity, J/kg-K 280
460
Thermal Expansion, µm/m-K 19
14

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.2
Embodied Carbon, kg CO2/kg material 59
6.5
Embodied Energy, MJ/kg 930
91

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 15
24
Strength to Weight: Axial, points 5.1
21
Strength to Weight: Bending, points 7.3
20
Thermal Shock Resistance, points 8.1
16

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 28.5 to 31.5
3.0 to 4.0
Iron (Fe), % 0
31.8 to 43.5
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 36
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.0020
0 to 0.040
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 59 to 61
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 9.5 to 10.5
0
Zinc (Zn), % 0 to 0.0010
0