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AWS E240 vs. Solder Alloy 811

AWS E240 belongs to the iron alloys classification, while solder alloy 811 belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is solder alloy 811.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
52
Elongation at Break, % 17
38
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 77
19
Tensile Strength: Ultimate (UTS), MPa 770
53

Thermal Properties

Latent Heat of Fusion, J/g 290
63
Melting Completion (Liquidus), °C 1390
200
Melting Onset (Solidus), °C 1350
190
Specific Heat Capacity, J/kg-K 480
230
Thermal Conductivity, W/m-K 15
59
Thermal Expansion, µm/m-K 15
22

Otherwise Unclassified Properties

Density, g/cm3 7.7
7.3
Embodied Carbon, kg CO2/kg material 3.0
14
Embodied Energy, MJ/kg 42
240
Embodied Water, L/kg 160
1200

Common Calculations

Stiffness to Weight: Axial, points 14
4.0
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 28
2.0
Strength to Weight: Bending, points 24
4.3
Thermal Diffusivity, mm2/s 3.9
35
Thermal Shock Resistance, points 19
3.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.8 to 3.2
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0 to 0.75
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 58.6 to 68.4
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 10.5 to 13.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 4.0 to 6.0
0 to 0.010
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
87.8 to 89.7
Zinc (Zn), % 0
7.5 to 8.5