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Solder Alloy 131 vs. ASTM Grade LC9 Steel

Solder alloy 131 belongs to the otherwise unclassified metals classification, while ASTM grade LC9 steel belongs to the iron alloys. There are 21 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 solder alloy 131 and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
190
Elongation at Break, % 47
22
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 14
73
Tensile Strength: Ultimate (UTS), MPa 31
660

Thermal Properties

Latent Heat of Fusion, J/g 46
260
Melting Completion (Liquidus), °C 180
1450
Melting Onset (Solidus), °C 180
1410
Specific Heat Capacity, J/kg-K 190
470
Thermal Expansion, µm/m-K 25
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 12
10

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 11
2.3
Embodied Energy, MJ/kg 180
31
Embodied Water, L/kg 940
65

Common Calculations

Stiffness to Weight: Axial, points 2.4
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 1.0
23
Strength to Weight: Bending, points 2.5
21
Thermal Shock Resistance, points 2.4
20

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.2 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.13
Chromium (Cr), % 0
0 to 0.5
Copper (Cu), % 0 to 0.080
0 to 0.3
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
87.4 to 91.5
Lead (Pb), % 35.5 to 37.3
0
Manganese (Mn), % 0
0 to 0.9
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.010
8.5 to 10
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.45
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.045
Tin (Sn), % 62.5 to 63.5
0
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.0010
0