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Solder Alloy 133 vs. SAE-AISI A7 Steel

Solder alloy 133 belongs to the otherwise unclassified metals classification, while SAE-AISI A7 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is solder alloy 133 and the bottom bar is SAE-AISI A7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
190
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 12
72
Tensile Strength: Ultimate (UTS), MPa 41
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 42
260
Melting Completion (Liquidus), °C 220
1470
Melting Onset (Solidus), °C 180
1430
Specific Heat Capacity, J/kg-K 180
470
Thermal Conductivity, W/m-K 47
37
Thermal Expansion, µm/m-K 25
12

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 9.4
13
Embodied Energy, MJ/kg 160
200
Embodied Water, L/kg 840
100

Common Calculations

Stiffness to Weight: Axial, points 2.0
13
Stiffness to Weight: Bending, points 12
25
Strength to Weight: Axial, points 1.2
29 to 77
Strength to Weight: Bending, points 2.9
25 to 48
Thermal Diffusivity, mm2/s 29
10
Thermal Shock Resistance, points 3.5
27 to 72

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.2 to 0.5
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
2.0 to 2.9
Chromium (Cr), % 0
5.0 to 5.8
Copper (Cu), % 0 to 0.080
0 to 0.25
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
81.4 to 87.7
Lead (Pb), % 48.5 to 50.3
0
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 49.5 to 50.5
0
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2
Zinc (Zn), % 0 to 0.0010
0