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Solder Alloy 122 vs. C26000 Brass

Solder alloy 122 belongs to the otherwise unclassified metals classification, while C26000 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 122 and the bottom bar is C26000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 20
110
Elongation at Break, % 30
2.5 to 66
Poisson's Ratio 0.43
0.31
Shear Modulus, GPa 6.9
41
Tensile Strength: Ultimate (UTS), MPa 30
320 to 680

Thermal Properties

Latent Heat of Fusion, J/g 27
180
Melting Completion (Liquidus), °C 300
950
Melting Onset (Solidus), °C 270
920
Specific Heat Capacity, J/kg-K 140
390
Thermal Conductivity, W/m-K 25
120
Thermal Expansion, µm/m-K 28
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
28
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
31

Otherwise Unclassified Properties

Base Metal Price, % relative 75
25
Density, g/cm3 11
8.2
Embodied Carbon, kg CO2/kg material 5.0
2.7
Embodied Energy, MJ/kg 84
45
Embodied Water, L/kg 540
320

Common Calculations

Stiffness to Weight: Axial, points 1.0
7.2
Stiffness to Weight: Bending, points 8.2
19
Strength to Weight: Axial, points 0.77
11 to 23
Strength to Weight: Bending, points 2.0
13 to 21
Thermal Diffusivity, mm2/s 17
38
Thermal Shock Resistance, points 3.9
11 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0 to 0.0059
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
68.5 to 71.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.050
Lead (Pb), % 88.4 to 90.5
0 to 0.070
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 9.5 to 10.5
0
Zinc (Zn), % 0 to 0.0010
28.1 to 31.5
Residuals, % 0
0 to 0.3