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ASTM B522 Class I vs. Solder Alloy 103

Both ASTM B522 class I and solder alloy 103 are otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM B522 class I and the bottom bar is solder alloy 103.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
37
Elongation at Break, % 1.1 to 29
47
Poisson's Ratio 0.41
0.39
Shear Modulus, GPa 34
13
Tensile Strength: Ultimate (UTS), MPa 280 to 490
52

Thermal Properties

Latent Heat of Fusion, J/g 77
45
Melting Completion (Liquidus), °C 1030
190
Melting Onset (Solidus), °C 1030
180
Specific Heat Capacity, J/kg-K 160
180
Thermal Expansion, µm/m-K 15
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
11
Electrical Conductivity: Equal Weight (Specific), % IACS 5.8
12

Otherwise Unclassified Properties

Density, g/cm3 17
8.9

Common Calculations

Stiffness to Weight: Axial, points 3.1
2.3
Stiffness to Weight: Bending, points 8.9
12
Strength to Weight: Axial, points 4.4 to 7.8
1.6
Strength to Weight: Bending, points 5.5 to 8.0
3.5
Thermal Shock Resistance, points 13 to 24
4.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 68 to 70
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
38.8 to 40.5
Nickel (Ni), % 0
0 to 0.010
Platinum (Pt), % 5.0 to 7.0
0
Silver (Ag), % 23.5 to 26.5
0 to 0.1
Tin (Sn), % 0
59.5 to 60.5
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.35
0