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Solder Alloy 142 vs. ACI-ASTM CK3MCuN Steel

Solder alloy 142 belongs to the otherwise unclassified metals classification, while ACI-ASTM CK3MCuN steel 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 ACI-ASTM CK3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
200
Elongation at Break, % 37
39
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 12
80
Tensile Strength: Ultimate (UTS), MPa 43
620

Thermal Properties

Latent Heat of Fusion, J/g 42
300
Melting Completion (Liquidus), °C 210
1460
Melting Onset (Solidus), °C 180
1350
Specific Heat Capacity, J/kg-K 170
460
Thermal Conductivity, W/m-K 45
12
Thermal Expansion, µm/m-K 25
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.1

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.0
Embodied Carbon, kg CO2/kg material 9.4
5.6
Embodied Energy, MJ/kg 160
76
Embodied Water, L/kg 890
190

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 11
24
Strength to Weight: Axial, points 1.3
21
Strength to Weight: Bending, points 2.9
20
Thermal Diffusivity, mm2/s 28
3.2
Thermal Shock Resistance, points 3.7
14

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.5 to 3.5
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 0 to 0.080
0.5 to 1.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
49.5 to 56.3
Lead (Pb), % 47.4 to 50
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.010
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 47.5 to 48.5
0
Zinc (Zn), % 0 to 0.0010
0