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ASTM B780 Alloy vs. ASTM A182 Grade F911

ASTM B780 alloy belongs to the otherwise unclassified metals classification, while ASTM A182 grade F911 belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ASTM B780 alloy and the bottom bar is ASTM A182 grade F911.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Elongation at Break, % 1.1 to 9.1
20
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 30
76
Shear Strength, MPa 200 to 340
430
Tensile Strength: Ultimate (UTS), MPa 330 to 590
690

Thermal Properties

Latent Heat of Fusion, J/g 140
270
Specific Heat Capacity, J/kg-K 270
470
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 70 to 76
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 62 to 68
10

Otherwise Unclassified Properties

Density, g/cm3 10
7.9

Common Calculations

Stiffness to Weight: Axial, points 4.5
14
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 9.1 to 16
24
Strength to Weight: Bending, points 11 to 15
22
Thermal Shock Resistance, points 16 to 29
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.00030 to 0.0060
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.090 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Copper (Cu), % 23.5 to 25.7
0
Iron (Fe), % 0 to 0.050
86.2 to 88.9
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0.35 to 0.65
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.040 to 0.090
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0.1 to 0.5
Silver (Ag), % 74 to 76
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 0 to 0.060
0
Zirconium (Zr), % 0
0 to 0.010