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AWS BAg-1a vs. AWS E240

AWS BAg-1a belongs to the otherwise unclassified metals classification, while AWS E240 belongs to the iron alloys. There are 17 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 BAg-1a and the bottom bar is AWS E240.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 77
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 29
77
Tensile Strength: Ultimate (UTS), MPa 180
770

Thermal Properties

Latent Heat of Fusion, J/g 120
290
Melting Completion (Liquidus), °C 640
1390
Melting Onset (Solidus), °C 630
1350
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 22
15

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 48
3.0
Embodied Energy, MJ/kg 760
42

Common Calculations

Stiffness to Weight: Axial, points 4.6
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 5.4
28
Strength to Weight: Bending, points 7.6
24
Thermal Shock Resistance, points 7.5
19

Alloy Composition

Cadmium (Cd), % 17 to 19
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 14.5 to 16.5
0 to 0.75
Iron (Fe), % 0
58.6 to 68.4
Manganese (Mn), % 0
10.5 to 13.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 49 to 51
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 14.5 to 18.5
0
Residuals, % 0 to 0.15
0