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Annealed ASTM B780 Alloy vs. Annealed ASTM F15

Annealed ASTM B780 alloy belongs to the otherwise unclassified metals classification, while annealed ASTM F15 belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is annealed ASTM B780 alloy and the bottom bar is annealed ASTM F15.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Elongation at Break, % 9.1
35
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 30
73
Shear Strength, MPa 200
350
Tensile Strength: Ultimate (UTS), MPa 330
520

Thermal Properties

Latent Heat of Fusion, J/g 140
270
Melting Completion (Liquidus), °C 860
1410
Specific Heat Capacity, J/kg-K 270
460
Thermal Expansion, µm/m-K 18
6.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 76
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 68
4.0

Otherwise Unclassified Properties

Density, g/cm3 10
8.3

Common Calculations

Stiffness to Weight: Axial, points 4.5
13
Stiffness to Weight: Bending, points 14
23
Strength to Weight: Axial, points 9.1
17
Strength to Weight: Bending, points 11
17
Thermal Shock Resistance, points 16
32

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
0 to 0.2
Cobalt (Co), % 0
16 to 18
Copper (Cu), % 23.5 to 25.7
0 to 0.2
Iron (Fe), % 0 to 0.050
50.3 to 56
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0.35 to 0.65
28 to 30
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 74 to 76
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.060
0
Zirconium (Zr), % 0
0 to 0.1