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ASTM A369 Grade FP21 vs. Solder Alloy 112

ASTM A369 grade FP21 belongs to the iron alloys classification, while solder alloy 112 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 FP21 and the bottom bar is solder alloy 112.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
33
Elongation at Break, % 20
35
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 74
12
Tensile Strength: Ultimate (UTS), MPa 470
41

Thermal Properties

Latent Heat of Fusion, J/g 260
41
Melting Completion (Liquidus), °C 1470
220
Melting Onset (Solidus), °C 1430
180
Specific Heat Capacity, J/kg-K 470
180
Thermal Conductivity, W/m-K 41
49
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
10

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 1.8
9.4
Embodied Energy, MJ/kg 23
160
Embodied Water, L/kg 61
830

Common Calculations

Stiffness to Weight: Axial, points 13
2.0
Stiffness to Weight: Bending, points 24
11
Strength to Weight: Axial, points 17
1.2
Strength to Weight: Bending, points 17
2.8
Thermal Diffusivity, mm2/s 11
30
Thermal Shock Resistance, points 14
3.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 2.7 to 3.4
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 94.3 to 96.2
0 to 0.020
Lead (Pb), % 0
49 to 50.5
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.8 to 1.1
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
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
49.5 to 50.5
Zinc (Zn), % 0
0 to 0.0010