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AWS BAg-8a vs. AWS E317

AWS BAg-8a belongs to the otherwise unclassified metals classification, while AWS E317 belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-8a and the bottom bar is AWS E317.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
200
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 31
79
Tensile Strength: Ultimate (UTS), MPa 150
620

Thermal Properties

Latent Heat of Fusion, J/g 140
300
Melting Completion (Liquidus), °C 770
1450
Melting Onset (Solidus), °C 770
1400
Specific Heat Capacity, J/kg-K 290
470
Thermal Expansion, µm/m-K 19
14

Otherwise Unclassified Properties

Density, g/cm3 10
7.9

Common Calculations

Stiffness to Weight: Axial, points 4.6
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 4.2
22
Strength to Weight: Bending, points 6.3
20
Thermal Shock Resistance, points 6.7
16

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 26.4 to 28.8
0 to 0.75
Iron (Fe), % 0
56.6 to 66.5
Lithium (Li), % 0.25 to 0.5
0
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
12 to 14
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.15
0