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Solder Alloy 131 vs. Austempered Cast Iron

Solder alloy 131 belongs to the otherwise unclassified metals classification, while austempered cast iron belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 131 and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
180
Elongation at Break, % 47
1.1 to 13
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 14
62 to 69
Tensile Strength: Ultimate (UTS), MPa 31
860 to 1800

Thermal Properties

Latent Heat of Fusion, J/g 46
280
Melting Completion (Liquidus), °C 180
1380
Melting Onset (Solidus), °C 180
1340
Specific Heat Capacity, J/kg-K 190
490
Thermal Conductivity, W/m-K 55
42
Thermal Expansion, µm/m-K 25
13

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.5
Embodied Carbon, kg CO2/kg material 11
1.8
Embodied Energy, MJ/kg 180
25
Embodied Water, L/kg 940
48

Common Calculations

Stiffness to Weight: Axial, points 2.4
13
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.0
32 to 66
Strength to Weight: Bending, points 2.5
27 to 44
Thermal Diffusivity, mm2/s 33
11
Thermal Shock Resistance, points 2.4
25 to 53

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.050
Antimony (Sb), % 0.2 to 0.5
0
Arsenic (As), % 0 to 0.030
0 to 0.020
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
3.4 to 3.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.080
0 to 0.8
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
89.6 to 94
Lead (Pb), % 35.5 to 37.3
0
Magnesium (Mg), % 0
0 to 0.040
Manganese (Mn), % 0
0.3 to 0.4
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0 to 0.010
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0
2.3 to 2.7
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 62.5 to 63.5
0 to 0.020
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.0010
0