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Solder Alloy 171 vs. SAE-AISI H23 Steel

Solder alloy 171 belongs to the otherwise unclassified metals classification, while SAE-AISI H23 steel belongs to the iron alloys. There are 19 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 solder alloy 171 and the bottom bar is SAE-AISI H23 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
200
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 14
80
Tensile Strength: Ultimate (UTS), MPa 48
760 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 47
260
Melting Completion (Liquidus), °C 180
1680
Melting Onset (Solidus), °C 180
1630
Specific Heat Capacity, J/kg-K 190
440
Thermal Conductivity, W/m-K 50
20
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 13
6.9
Embodied Energy, MJ/kg 210
110

Common Calculations

Stiffness to Weight: Axial, points 2.4
13
Stiffness to Weight: Bending, points 13
22
Strength to Weight: Axial, points 1.5
24 to 49
Strength to Weight: Bending, points 3.3
21 to 34
Thermal Diffusivity, mm2/s 30
5.2
Thermal Shock Resistance, points 3.7
23 to 47

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
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
0.25 to 0.35
Chromium (Cr), % 0
11 to 12.8
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
71.3 to 76.7
Lead (Pb), % 34.7 to 36.7
0
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.6
Silver (Ag), % 1.8 to 2.2
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 61.5 to 62.5
0
Tungsten (W), % 0
11 to 12.8
Vanadium (V), % 0
0.75 to 1.3
Zinc (Zn), % 0 to 0.0010
0