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Austempered Cast Iron vs. Solder Alloy 131

Austempered cast iron belongs to the iron alloys classification, while solder alloy 131 belongs to the otherwise unclassified metals. 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 austempered cast iron and the bottom bar is solder alloy 131.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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