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Solder Alloy 401 vs. ASTM A356 Grade 10

Solder alloy 401 belongs to the otherwise unclassified metals classification, while ASTM A356 grade 10 belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 401 and the bottom bar is ASTM A356 grade 10.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 9.0
200
Elastic (Young's, Tensile) Modulus, GPa 50
190
Elongation at Break, % 21
23
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
74
Tensile Strength: Ultimate (UTS), MPa 29
670

Thermal Properties

Latent Heat of Fusion, J/g 60
260
Melting Completion (Liquidus), °C 230
1470
Melting Onset (Solidus), °C 230
1430
Specific Heat Capacity, J/kg-K 220
470
Thermal Conductivity, W/m-K 66
39
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.8

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.9
Embodied Carbon, kg CO2/kg material 15
1.8
Embodied Energy, MJ/kg 250
23
Embodied Water, L/kg 1200
59

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 1.1
24
Strength to Weight: Bending, points 2.9
22
Thermal Diffusivity, mm2/s 40
11
Thermal Shock Resistance, points 1.9
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), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
2.0 to 2.8
Copper (Cu), % 0.5 to 0.9
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
94.4 to 96.6
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.5 to 0.8
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 to 0.6
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 98.5 to 99.5
0
Zinc (Zn), % 0 to 0.0010
0