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Solder Alloy 811 vs. Grade VDC Steel

Solder alloy 811 belongs to the otherwise unclassified metals classification, while grade VDC steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is solder alloy 811 and the bottom bar is grade VDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
190
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 19
80
Tensile Strength: Ultimate (UTS), MPa 53
1700

Thermal Properties

Latent Heat of Fusion, J/g 63
250
Melting Completion (Liquidus), °C 200
1450
Melting Onset (Solidus), °C 190
1410
Specific Heat Capacity, J/kg-K 230
470
Thermal Conductivity, W/m-K 59
51
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.1

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 14
1.4
Embodied Energy, MJ/kg 240
19
Embodied Water, L/kg 1200
47

Common Calculations

Stiffness to Weight: Axial, points 4.0
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.0
60
Strength to Weight: Bending, points 4.3
40
Thermal Diffusivity, mm2/s 35
14
Thermal Shock Resistance, points 3.3
50

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
0.6 to 0.75
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.050
0 to 0.060
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
98.3 to 99.35
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.5 to 1.0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0.15 to 0.3
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 87.8 to 89.7
0
Zinc (Zn), % 7.5 to 8.5
0