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AWS BVAg-18 vs. AWS E318

AWS BVAg-18 belongs to the otherwise unclassified metals classification, while AWS E318 belongs to the iron alloys. 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 BVAg-18 and the bottom bar is AWS E318.

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
78
Tensile Strength: Ultimate (UTS), MPa 180
620

Thermal Properties

Latent Heat of Fusion, J/g 140
290
Melting Completion (Liquidus), °C 720
1440
Melting Onset (Solidus), °C 600
1400
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 19
14

Otherwise Unclassified Properties

Density, g/cm3 9.7
7.9
Embodied Carbon, kg CO2/kg material 59
4.4
Embodied Energy, MJ/kg 930
62

Common Calculations

Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 5.1
22
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 0.080
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 28.5 to 31.5
0 to 0.75
Iron (Fe), % 0
57.6 to 69.5
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
11 to 14
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.0020
0 to 0.040
Silicon (Si), % 0
0 to 1.0
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