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Solder Alloy 703 vs. ACI-ASTM CC50 Steel

Solder alloy 703 belongs to the otherwise unclassified metals classification, while ACI-ASTM CC50 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 703 and the bottom bar is ACI-ASTM CC50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
210
Elastic (Young's, Tensile) Modulus, GPa 51
200
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 19
80
Tensile Strength: Ultimate (UTS), MPa 57
430

Thermal Properties

Latent Heat of Fusion, J/g 61
300
Melting Completion (Liquidus), °C 220
1420
Melting Onset (Solidus), °C 220
1370
Specific Heat Capacity, J/kg-K 220
490
Thermal Conductivity, W/m-K 55
17
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.7

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.6
Embodied Carbon, kg CO2/kg material 18
2.7
Embodied Energy, MJ/kg 300
39

Common Calculations

Stiffness to Weight: Axial, points 3.8
15
Stiffness to Weight: Bending, points 17
26
Strength to Weight: Axial, points 2.1
16
Strength to Weight: Bending, points 4.4
17
Thermal Diffusivity, mm2/s 33
4.5
Thermal Shock Resistance, points 3.7
14

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.5
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
62.9 to 74
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
0 to 4.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 95.8 to 96.7
0
Zinc (Zn), % 0 to 0.0010
0