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Solder Alloy 301 vs. SAE-AISI 50B60 Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while SAE-AISI 50B60 steel belongs to the iron alloys. There are 26 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 301 and the bottom bar is SAE-AISI 50B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 40
190
Elongation at Break, % 51
12 to 20
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 15
72
Tensile Strength: Ultimate (UTS), MPa 55
610 to 630
Tensile Strength: Yield (Proof), MPa 49
350 to 530

Thermal Properties

Latent Heat of Fusion, J/g 55
250
Melting Completion (Liquidus), °C 140
1450
Melting Onset (Solidus), °C 140
1410
Specific Heat Capacity, J/kg-K 160
470
Thermal Conductivity, W/m-K 19
45
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
8.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 13
1.4
Embodied Energy, MJ/kg 210
19

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
71 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 30
330 to 750
Stiffness to Weight: Axial, points 2.5
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 1.8
22 to 23
Strength to Weight: Bending, points 3.7
20 to 21
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 7.2
20

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), % 56.5 to 59
0
Boron (B), % 0
0.00050 to 0.0030
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.56 to 0.64
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
97.3 to 98.1
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.75 to 1.0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 41 to 43
0
Zinc (Zn), % 0 to 0.0010
0