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Solder Alloy 301 vs. ASTM A356 Grade 9

Solder alloy 301 belongs to the otherwise unclassified metals classification, while ASTM A356 grade 9 belongs to the iron alloys. There are 26 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 A356 grade 9.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
200
Elastic (Young's, Tensile) Modulus, GPa 40
190
Elongation at Break, % 51
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 15
73
Tensile Strength: Ultimate (UTS), MPa 55
670
Tensile Strength: Yield (Proof), MPa 49
460

Thermal Properties

Latent Heat of Fusion, J/g 55
260
Melting Completion (Liquidus), °C 140
1470
Melting Onset (Solidus), °C 140
1430
Specific Heat Capacity, J/kg-K 160
470
Thermal Conductivity, W/m-K 19
41
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
8.6

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 13
2.4
Embodied Energy, MJ/kg 210
33

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
100
Resilience: Unit (Modulus of Resilience), kJ/m3 30
570
Stiffness to Weight: Axial, points 2.5
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 1.8
24
Strength to Weight: Bending, points 3.7
22
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 7.2
19

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 0.2
Chromium (Cr), % 0
1.0 to 1.5
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
95.2 to 97.2
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.2
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.2 to 0.6
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 41 to 43
0
Vanadium (V), % 0
0.2 to 0.35
Zinc (Zn), % 0 to 0.0010
0