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ASTM B685 Alloy vs. AWS E80C-B6

ASTM B685 alloy belongs to the otherwise unclassified metals classification, while AWS E80C-B6 belongs to the iron alloys. There are 17 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 ASTM B685 alloy and the bottom bar is AWS E80C-B6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 43
74
Tensile Strength: Ultimate (UTS), MPa 660 to 1060
630

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Melting Completion (Liquidus), °C 1230
1450
Melting Onset (Solidus), °C 1200
1410
Specific Heat Capacity, J/kg-K 300
470
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.0
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
9.5

Otherwise Unclassified Properties

Density, g/cm3 11
7.8

Common Calculations

Stiffness to Weight: Axial, points 6.1
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 17 to 27
22
Strength to Weight: Bending, points 16 to 21
21
Thermal Shock Resistance, points 28 to 46
18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
4.5 to 6.0
Copper (Cu), % 39.5 to 40.5
0 to 0.35
Iron (Fe), % 0 to 0.050
90.1 to 94.4
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0.4 to 1.0
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0
0 to 0.6
Palladium (Pd), % 59 to 60.5
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.25 to 0.6
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.025
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0
0 to 0.5