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Solder Alloy 301 vs. AWS E309Mo

Solder alloy 301 belongs to the otherwise unclassified metals classification, while AWS E309Mo belongs to the iron alloys. There are 22 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 301 and the bottom bar is AWS E309Mo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 40
200
Elongation at Break, % 51
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 15
79
Tensile Strength: Ultimate (UTS), MPa 55
620

Thermal Properties

Latent Heat of Fusion, J/g 55
300
Melting Completion (Liquidus), °C 140
1430
Melting Onset (Solidus), °C 140
1390
Specific Heat Capacity, J/kg-K 160
480
Thermal Conductivity, W/m-K 19
15
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
2.4

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 13
4.2
Embodied Energy, MJ/kg 210
59

Common Calculations

Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.8
22
Strength to Weight: Bending, points 3.7
20
Thermal Diffusivity, mm2/s 13
3.9
Thermal Shock Resistance, points 7.2
15

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 0.12
Chromium (Cr), % 0
22 to 25
Copper (Cu), % 0 to 0.050
0 to 0.75
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
53.6 to 63.5
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.010
12 to 14
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 41 to 43
0
Zinc (Zn), % 0 to 0.0010
0