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ASTM A356 Grade 8 vs. Solder Alloy 142

ASTM A356 grade 8 belongs to the iron alloys classification, while solder alloy 142 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 8 and the bottom bar is solder alloy 142.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
33
Elongation at Break, % 21
37
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 73
12
Tensile Strength: Ultimate (UTS), MPa 630
43

Thermal Properties

Latent Heat of Fusion, J/g 260
42
Melting Completion (Liquidus), °C 1470
210
Melting Onset (Solidus), °C 1430
180
Specific Heat Capacity, J/kg-K 470
170
Thermal Conductivity, W/m-K 38
45
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
11

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 2.0
9.4
Embodied Energy, MJ/kg 26
160
Embodied Water, L/kg 55
890

Common Calculations

Stiffness to Weight: Axial, points 13
2.0
Stiffness to Weight: Bending, points 24
11
Strength to Weight: Axial, points 22
1.3
Strength to Weight: Bending, points 21
2.9
Thermal Diffusivity, mm2/s 10
28
Thermal Shock Resistance, points 18
3.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.5 to 3.5
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 1.0 to 1.5
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 95.4 to 97.4
0 to 0.020
Lead (Pb), % 0
47.4 to 50
Manganese (Mn), % 0.5 to 0.9
0
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.2 to 0.6
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
47.5 to 48.5
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0
0 to 0.0010