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Austempered Cast Iron vs. Solder Alloy 502

Austempered cast iron belongs to the iron alloys classification, while solder alloy 502 belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (8, 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 502.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
53
Elongation at Break, % 1.1 to 13
34
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 62 to 69
19
Tensile Strength: Ultimate (UTS), MPa 860 to 1800
58

Thermal Properties

Latent Heat of Fusion, J/g 280
66
Melting Completion (Liquidus), °C 1380
350
Melting Onset (Solidus), °C 1340
220
Specific Heat Capacity, J/kg-K 490
230
Thermal Conductivity, W/m-K 42
47
Thermal Expansion, µm/m-K 13
22

Otherwise Unclassified Properties

Density, g/cm3 7.5
7.4
Embodied Carbon, kg CO2/kg material 1.8
15
Embodied Energy, MJ/kg 25
260

Common Calculations

Stiffness to Weight: Axial, points 13
4.0
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 32 to 66
2.2
Strength to Weight: Bending, points 27 to 44
4.5
Thermal Diffusivity, mm2/s 11
28
Thermal Shock Resistance, points 25 to 53
3.6

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0 to 0.020
0 to 0.030
Bismuth (Bi), % 0
0 to 0.080
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
3.5 to 4.5
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
0 to 0.070
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
0.8 to 1.2
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0 to 0.020
93.8 to 95.7
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 0
0 to 0.0010