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ASTM A369 Grade FP5 vs. Solder Alloy 703

ASTM A369 grade FP5 belongs to the iron alloys classification, while solder alloy 703 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 A369 grade FP5 and the bottom bar is solder alloy 703.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
15
Elastic (Young's, Tensile) Modulus, GPa 190
51
Elongation at Break, % 20
35
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 74
19
Tensile Strength: Ultimate (UTS), MPa 470
57

Thermal Properties

Latent Heat of Fusion, J/g 260
61
Melting Completion (Liquidus), °C 1460
220
Melting Onset (Solidus), °C 1420
220
Specific Heat Capacity, J/kg-K 470
220
Thermal Conductivity, W/m-K 40
55
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
14
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
17

Otherwise Unclassified Properties

Density, g/cm3 7.8
7.4
Embodied Carbon, kg CO2/kg material 1.7
18
Embodied Energy, MJ/kg 23
300

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 17
2.1
Strength to Weight: Bending, points 17
4.4
Thermal Diffusivity, mm2/s 11
33
Thermal Shock Resistance, points 13
3.7

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 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 4.0 to 6.0
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 92.1 to 95.3
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
3.3 to 3.7
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
95.8 to 96.7
Zinc (Zn), % 0
0 to 0.0010