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ASTM A356 Grade 9 vs. Solder Alloy 503

ASTM A356 grade 9 belongs to the iron alloys classification, while solder alloy 503 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 9 and the bottom bar is solder alloy 503.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
54
Elongation at Break, % 17
30
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 73
20
Tensile Strength: Ultimate (UTS), MPa 670
57

Thermal Properties

Latent Heat of Fusion, J/g 260
69
Melting Completion (Liquidus), °C 1470
380
Melting Onset (Solidus), °C 1430
220
Specific Heat Capacity, J/kg-K 470
230
Thermal Conductivity, W/m-K 41
61
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
14
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
17

Otherwise Unclassified Properties

Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 2.4
16
Embodied Energy, MJ/kg 33
270

Common Calculations

Stiffness to Weight: Axial, points 13
4.1
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 24
2.1
Strength to Weight: Bending, points 22
4.4
Thermal Diffusivity, mm2/s 11
35
Thermal Shock Resistance, points 19
3.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.080
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
5.5 to 6.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 95.2 to 97.2
0 to 0.020
Lead (Pb), % 0
0 to 0.070
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
1.8 to 2.2
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
90.8 to 92.7
Vanadium (V), % 0.2 to 0.35
0
Zinc (Zn), % 0
0 to 0.0010