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Automotive Grey Cast Iron vs. Solder Alloy 135

Automotive grey cast iron belongs to the iron alloys classification, while solder alloy 135 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is solder alloy 135.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
27
Elongation at Break, % 9.6 to 14
20
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 69 to 70
9.5
Tensile Strength: Ultimate (UTS), MPa 140 to 290
35

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
36
Melting Completion (Liquidus), °C 1380 to 1390
250
Melting Onset (Solidus), °C 1340 to 1350
190
Specific Heat Capacity, J/kg-K 490
160
Thermal Conductivity, W/m-K 41 to 43
42
Thermal Expansion, µm/m-K 12 to 14
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
9.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
90
Density, g/cm3 7.5 to 7.6
10
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
7.3
Embodied Energy, MJ/kg 21 to 24
120
Embodied Water, L/kg 44 to 51
720

Common Calculations

Stiffness to Weight: Axial, points 13
1.5
Stiffness to Weight: Bending, points 25
9.9
Strength to Weight: Axial, points 5.2 to 11
1.0
Strength to Weight: Bending, points 8.0 to 13
2.4
Thermal Diffusivity, mm2/s 11 to 12
27
Thermal Shock Resistance, points 4.2 to 8.6
3.5