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Solder Alloy 801 vs. ASTM B780 Alloy

Both solder alloy 801 and ASTM B780 alloy are otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 801 and the bottom bar is ASTM B780 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
83
Elongation at Break, % 33
1.1 to 9.1
Poisson's Ratio 0.35
0.36
Shear Modulus, GPa 20
30
Tensile Strength: Ultimate (UTS), MPa 55
330 to 590

Thermal Properties

Latent Heat of Fusion, J/g 64
140
Specific Heat Capacity, J/kg-K 240
270
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
70 to 76
Electrical Conductivity: Equal Weight (Specific), % IACS 19
62 to 68

Otherwise Unclassified Properties

Density, g/cm3 7.2
10

Common Calculations

Stiffness to Weight: Axial, points 4.1
4.5
Stiffness to Weight: Bending, points 17
14
Strength to Weight: Axial, points 2.1
9.1 to 16
Strength to Weight: Bending, points 4.4
11 to 15
Thermal Shock Resistance, points 3.3
16 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.050
Copper (Cu), % 0 to 0.050
23.5 to 25.7
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.050
Lead (Pb), % 0 to 0.070
0 to 0.030
Nickel (Ni), % 0 to 0.010
0.35 to 0.65
Silver (Ag), % 0 to 0.1
74 to 76
Tin (Sn), % 89.9 to 91.5
0
Zinc (Zn), % 8.5 to 9.5
0 to 0.060