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ASTM A369 Grade FPA vs. Solder Alloy 134

ASTM A369 grade FPA belongs to the iron alloys classification, while solder alloy 134 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FPA and the bottom bar is solder alloy 134.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
31
Elongation at Break, % 27
31
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 73
11
Tensile Strength: Ultimate (UTS), MPa 380
38

Thermal Properties

Latent Heat of Fusion, J/g 250
41
Melting Completion (Liquidus), °C 1460
230
Melting Onset (Solidus), °C 1420
190
Specific Heat Capacity, J/kg-K 470
170
Thermal Conductivity, W/m-K 52
45
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
100
Density, g/cm3 7.8
9.6
Embodied Carbon, kg CO2/kg material 1.4
8.5
Embodied Energy, MJ/kg 18
140
Embodied Water, L/kg 46
820

Common Calculations

Stiffness to Weight: Axial, points 13
1.8
Stiffness to Weight: Bending, points 24
11
Strength to Weight: Axial, points 13
1.1
Strength to Weight: Bending, points 15
2.6
Thermal Diffusivity, mm2/s 14
28
Thermal Shock Resistance, points 12
3.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
2.0 to 2.4
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.25
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 98.3 to 99.63
0 to 0.020
Lead (Pb), % 0
56.5 to 58.5
Manganese (Mn), % 0.27 to 0.93
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.1 to 0.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
39.5 to 40.5
Zinc (Zn), % 0
0 to 0.0010