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ASTM A369 Grade FP9 vs. Solder Alloy 201

ASTM A369 grade FP9 belongs to the iron alloys classification, while solder alloy 201 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP9 and the bottom bar is solder alloy 201.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
13
Elastic (Young's, Tensile) Modulus, GPa 190
50
Elongation at Break, % 20
38
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 75
19
Tensile Strength: Ultimate (UTS), MPa 470
41

Thermal Properties

Latent Heat of Fusion, J/g 270
64
Melting Completion (Liquidus), °C 1450
240
Melting Onset (Solidus), °C 1410
240
Specific Heat Capacity, J/kg-K 480
220
Thermal Conductivity, W/m-K 26
28
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
12
Electrical Conductivity: Equal Weight (Specific), % IACS 10
15

Otherwise Unclassified Properties

Density, g/cm3 7.8
7.3
Embodied Carbon, kg CO2/kg material 2.0
15
Embodied Energy, MJ/kg 28
250
Embodied Water, L/kg 87
1320

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 17
1.6
Strength to Weight: Bending, points 17
3.6
Thermal Diffusivity, mm2/s 6.9
17
Thermal Shock Resistance, points 13
2.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
4.5 to 5.5
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), % 8.0 to 10
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 87.1 to 90.3
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.5 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
94 to 95.5
Zinc (Zn), % 0
0 to 0.0010