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ASTM B780 Alloy vs. Nickel 693

ASTM B780 alloy belongs to the otherwise unclassified metals classification, while nickel 693 belongs to the nickel alloys. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ASTM B780 alloy and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
200
Elongation at Break, % 1.1 to 9.1
34
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 30
76
Shear Strength, MPa 200 to 340
440
Tensile Strength: Ultimate (UTS), MPa 330 to 590
660

Thermal Properties

Latent Heat of Fusion, J/g 140
330
Specific Heat Capacity, J/kg-K 270
480
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Density, g/cm3 10
8.1

Common Calculations

Stiffness to Weight: Axial, points 4.5
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 9.1 to 16
23
Strength to Weight: Bending, points 11 to 15
21
Thermal Shock Resistance, points 16 to 29
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 23.5 to 25.7
0 to 0.5
Iron (Fe), % 0 to 0.050
2.5 to 6.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.35 to 0.65
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 74 to 76
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 0 to 0.060
0