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Solder Alloy 712 vs. SAE-AISI L3 Steel

Solder alloy 712 belongs to the otherwise unclassified metals classification, while SAE-AISI L3 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is solder alloy 712 and the bottom bar is SAE-AISI L3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
190
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
72
Tensile Strength: Ultimate (UTS), MPa 51
600 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 62
250
Melting Completion (Liquidus), °C 220
1450
Melting Onset (Solidus), °C 220
1410
Specific Heat Capacity, J/kg-K 220
470
Thermal Conductivity, W/m-K 58
43
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 16
8.5

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.8
Embodied Carbon, kg CO2/kg material 18
1.9
Embodied Energy, MJ/kg 300
27

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 1.9
21 to 80
Strength to Weight: Bending, points 4.1
20 to 49
Thermal Diffusivity, mm2/s 35
12
Thermal Shock Resistance, points 3.3
18 to 67

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
1.0 to 1.1
Chromium (Cr), % 0
1.3 to 1.7
Copper (Cu), % 0.5 to 0.9
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
95.5 to 97.3
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.25 to 0.8
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.1 to 0.5
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 94.9 to 96.2
0
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 0 to 0.0010
0