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Ductile Cast Iron vs. Solder Alloy 201

Ductile cast iron belongs to the iron alloys classification, while solder alloy 201 belongs to the otherwise unclassified metals. There are 24 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 ductile cast iron and the bottom bar is solder alloy 201.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 310
13
Elastic (Young's, Tensile) Modulus, GPa 170 to 180
50
Elongation at Break, % 2.1 to 20
38
Poisson's Ratio 0.28 to 0.31
0.35
Shear Modulus, GPa 64 to 70
19
Tensile Strength: Ultimate (UTS), MPa 460 to 920
41

Thermal Properties

Latent Heat of Fusion, J/g 270
64
Melting Completion (Liquidus), °C 1160
240
Melting Onset (Solidus), °C 1120
240
Specific Heat Capacity, J/kg-K 490
220
Thermal Conductivity, W/m-K 31 to 36
28
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
15

Otherwise Unclassified Properties

Density, g/cm3 7.1 to 7.5
7.3
Embodied Carbon, kg CO2/kg material 1.5
15
Embodied Energy, MJ/kg 21
250
Embodied Water, L/kg 43
1320

Common Calculations

Stiffness to Weight: Axial, points 12 to 14
3.8
Stiffness to Weight: Bending, points 24 to 26
17
Strength to Weight: Axial, points 17 to 35
1.6
Strength to Weight: Bending, points 18 to 29
3.6
Thermal Diffusivity, mm2/s 8.9 to 10
17
Thermal Shock Resistance, points 17 to 35
2.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
4.5 to 5.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 3.0 to 3.5
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 93.7 to 95.5
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.080
0
Silicon (Si), % 1.5 to 2.8
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
94 to 95.5
Zinc (Zn), % 0
0 to 0.0010