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Solder Alloy 811 vs. AWS E33-31

Solder alloy 811 belongs to the otherwise unclassified metals classification, while AWS E33-31 belongs to the iron alloys. There are 19 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 811 and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
210
Elongation at Break, % 38
29
Poisson's Ratio 0.35
0.27
Shear Modulus, GPa 19
81
Tensile Strength: Ultimate (UTS), MPa 53
810

Thermal Properties

Latent Heat of Fusion, J/g 63
320
Melting Completion (Liquidus), °C 200
1380
Melting Onset (Solidus), °C 190
1330
Specific Heat Capacity, J/kg-K 230
480
Thermal Expansion, µm/m-K 22
14

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.9
Embodied Carbon, kg CO2/kg material 14
6.0
Embodied Energy, MJ/kg 240
86
Embodied Water, L/kg 1200
260

Common Calculations

Stiffness to Weight: Axial, points 4.0
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.0
28
Strength to Weight: Bending, points 4.3
24
Thermal Shock Resistance, points 3.3
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), % 2.8 to 3.2
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
31 to 35
Copper (Cu), % 0 to 0.050
0.4 to 0.8
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
24.7 to 34.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.010
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.9
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 87.8 to 89.7
0
Zinc (Zn), % 7.5 to 8.5
0