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Solder Alloy 301 vs. ASTM Grade LCA Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while ASTM grade LCA steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is ASTM grade LCA steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 40
190
Elongation at Break, % 51
27
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 15
72
Tensile Strength: Ultimate (UTS), MPa 55
500
Tensile Strength: Yield (Proof), MPa 49
230

Thermal Properties

Latent Heat of Fusion, J/g 55
250
Melting Completion (Liquidus), °C 140
1460
Melting Onset (Solidus), °C 140
1410
Specific Heat Capacity, J/kg-K 160
470
Thermal Conductivity, W/m-K 19
49
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
110
Resilience: Unit (Modulus of Resilience), kJ/m3 30
150
Stiffness to Weight: Axial, points 2.5
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 1.8
18
Strength to Weight: Bending, points 3.7
18
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 7.2
16

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
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.25
Copper (Cu), % 0 to 0.050
0 to 0.3
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
96.9 to 100
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.7
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.045
Tin (Sn), % 41 to 43
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 1.0