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Solder Alloy 811 vs. C99750 Brass

Solder alloy 811 belongs to the otherwise unclassified metals classification, while C99750 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 811 and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
130
Elongation at Break, % 38
20 to 30
Poisson's Ratio 0.35
0.32
Shear Modulus, GPa 19
48
Tensile Strength: Ultimate (UTS), MPa 53
450 to 520

Thermal Properties

Latent Heat of Fusion, J/g 63
200
Melting Completion (Liquidus), °C 200
840
Melting Onset (Solidus), °C 190
820
Specific Heat Capacity, J/kg-K 230
410
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.2

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.1
Embodied Carbon, kg CO2/kg material 14
3.1
Embodied Energy, MJ/kg 240
51
Embodied Water, L/kg 1200
310

Common Calculations

Stiffness to Weight: Axial, points 4.0
8.6
Stiffness to Weight: Bending, points 17
21
Strength to Weight: Axial, points 2.0
15 to 18
Strength to Weight: Bending, points 4.3
16 to 18
Thermal Shock Resistance, points 3.3
13 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.25 to 3.0
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
Copper (Cu), % 0 to 0.050
55 to 61
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 1.0
Lead (Pb), % 0 to 0.070
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Nickel (Ni), % 0 to 0.010
0 to 5.0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 87.8 to 89.7
0
Zinc (Zn), % 7.5 to 8.5
17 to 23
Residuals, % 0
0 to 0.3