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Solder Alloy 503 vs. SAE-AISI 1012 Steel

Solder alloy 503 belongs to the otherwise unclassified metals classification, while SAE-AISI 1012 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 503 and the bottom bar is SAE-AISI 1012 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 54
190
Elongation at Break, % 30
21 to 31
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 20
73
Tensile Strength: Ultimate (UTS), MPa 57
360 to 400

Thermal Properties

Latent Heat of Fusion, J/g 69
250
Melting Completion (Liquidus), °C 380
1470
Melting Onset (Solidus), °C 220
1420
Specific Heat Capacity, J/kg-K 230
470
Thermal Conductivity, W/m-K 61
53
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 17
7.9

Otherwise Unclassified Properties

Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 16
1.4
Embodied Energy, MJ/kg 270
18

Common Calculations

Stiffness to Weight: Axial, points 4.1
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.1
13 to 14
Strength to Weight: Bending, points 4.4
14 to 15
Thermal Diffusivity, mm2/s 35
14
Thermal Shock Resistance, points 3.5
11 to 13

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 0.080
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.1 to 0.15
Copper (Cu), % 5.5 to 6.5
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
99.16 to 99.6
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.3 to 0.6
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.040
Silver (Ag), % 1.8 to 2.2
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 90.8 to 92.7
0
Zinc (Zn), % 0 to 0.0010
0