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Solder Alloy 703 vs. ASTM A182 Grade F6b

Solder alloy 703 belongs to the otherwise unclassified metals classification, while ASTM A182 grade F6b belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 703 and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
260
Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 35
18
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
76
Tensile Strength: Ultimate (UTS), MPa 57
850

Thermal Properties

Latent Heat of Fusion, J/g 61
280
Melting Completion (Liquidus), °C 220
1450
Melting Onset (Solidus), °C 220
1400
Specific Heat Capacity, J/kg-K 220
480
Thermal Conductivity, W/m-K 55
25
Thermal Expansion, µm/m-K 22
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 17
3.2

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.8
Embodied Carbon, kg CO2/kg material 18
2.2
Embodied Energy, MJ/kg 300
30

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.1
30
Strength to Weight: Bending, points 4.4
26
Thermal Diffusivity, mm2/s 33
6.7
Thermal Shock Resistance, points 3.7
31

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 0.15
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 0 to 0.050
0 to 0.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
81.2 to 87.1
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0 to 0.010
1.0 to 2.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 95.8 to 96.7
0
Zinc (Zn), % 0 to 0.0010
0