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ASTM B522 Class II vs. Solder Alloy 112

Both ASTM B522 class II and solder alloy 112 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 II and the bottom bar is solder alloy 112.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
33
Elongation at Break, % 1.1 to 28
35
Poisson's Ratio 0.41
0.4
Shear Modulus, GPa 34
12
Tensile Strength: Ultimate (UTS), MPa 280 to 490
41

Thermal Properties

Latent Heat of Fusion, J/g 77
41
Melting Completion (Liquidus), °C 1030
220
Melting Onset (Solidus), °C 1030
180
Specific Heat Capacity, J/kg-K 160
180
Thermal Expansion, µm/m-K 15
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
11
Electrical Conductivity: Equal Weight (Specific), % IACS 5.7
10

Otherwise Unclassified Properties

Density, g/cm3 17
9.3

Common Calculations

Stiffness to Weight: Axial, points 3.1
2.0
Stiffness to Weight: Bending, points 8.9
11
Strength to Weight: Axial, points 4.4 to 7.8
1.2
Strength to Weight: Bending, points 5.5 to 8.0
2.8
Thermal Shock Resistance, points 13 to 24
3.5

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 68.5 to 69.5
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
49 to 50.5
Nickel (Ni), % 0
0 to 0.010
Platinum (Pt), % 5.5 to 6.5
0
Silver (Ag), % 24.5 to 25.5
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
49.5 to 50.5
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.26
0