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Solder Alloy 142 vs. R30556 Alloy

Solder alloy 142 belongs to the otherwise unclassified metals classification, while R30556 alloy belongs to the iron alloys. There are 23 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 142 and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
210
Elongation at Break, % 37
45
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 12
81
Tensile Strength: Ultimate (UTS), MPa 43
780

Thermal Properties

Latent Heat of Fusion, J/g 42
300
Melting Completion (Liquidus), °C 210
1420
Melting Onset (Solidus), °C 180
1330
Specific Heat Capacity, J/kg-K 170
450
Thermal Conductivity, W/m-K 45
11
Thermal Expansion, µm/m-K 25
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 11
1.9

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.4
Embodied Carbon, kg CO2/kg material 9.4
8.7
Embodied Energy, MJ/kg 160
130
Embodied Water, L/kg 890
300

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 1.3
26
Strength to Weight: Bending, points 2.9
22
Thermal Diffusivity, mm2/s 28
2.9
Thermal Shock Resistance, points 3.7
18

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.1 to 0.5
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.5 to 3.5
0
Boron (B), % 0
0 to 0.020
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Lead (Pb), % 47.4 to 50
0
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0 to 0.010
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.2 to 0.8
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tin (Sn), % 47.5 to 48.5
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0 to 0.0010
0.0010 to 0.1