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Solder Alloy 811 vs. EN 1.7729 Steel

Solder alloy 811 belongs to the otherwise unclassified metals classification, while EN 1.7729 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 811 and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
190
Elongation at Break, % 38
17
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 19
73
Tensile Strength: Ultimate (UTS), MPa 53
910

Thermal Properties

Latent Heat of Fusion, J/g 63
250
Melting Completion (Liquidus), °C 200
1470
Melting Onset (Solidus), °C 190
1430
Specific Heat Capacity, J/kg-K 230
470
Thermal Conductivity, W/m-K 59
40
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.7

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 14
3.3
Embodied Energy, MJ/kg 240
49
Embodied Water, L/kg 1200
59

Common Calculations

Stiffness to Weight: Axial, points 4.0
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.0
32
Strength to Weight: Bending, points 4.3
27
Thermal Diffusivity, mm2/s 35
11
Thermal Shock Resistance, points 3.3
27

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.015 to 0.080
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0 to 0.020
Bismuth (Bi), % 2.8 to 3.2
0
Boron (B), % 0
0.0010 to 0.010
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.17 to 0.23
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0 to 0.050
0 to 0.2
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
94.8 to 97
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.010
0 to 0.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 87.8 to 89.7
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8
Zinc (Zn), % 7.5 to 8.5
0