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Solder Alloy 135 vs. C69400 Brass

Solder alloy 135 belongs to the otherwise unclassified metals classification, while C69400 brass belongs to the copper alloys. There are 24 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 135 and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 27
110
Elongation at Break, % 20
17
Poisson's Ratio 0.41
0.33
Shear Modulus, GPa 9.5
42
Tensile Strength: Ultimate (UTS), MPa 35
570

Thermal Properties

Latent Heat of Fusion, J/g 36
260
Melting Completion (Liquidus), °C 250
920
Melting Onset (Solidus), °C 190
820
Specific Heat Capacity, J/kg-K 160
410
Thermal Conductivity, W/m-K 42
26
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.5
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 90
27
Density, g/cm3 10
8.3
Embodied Carbon, kg CO2/kg material 7.3
2.7
Embodied Energy, MJ/kg 120
44
Embodied Water, L/kg 720
300

Common Calculations

Stiffness to Weight: Axial, points 1.5
7.4
Stiffness to Weight: Bending, points 9.9
19
Strength to Weight: Axial, points 1.0
19
Strength to Weight: Bending, points 2.4
18
Thermal Diffusivity, mm2/s 27
7.7
Thermal Shock Resistance, points 3.5
20

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.5 to 1.8
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
80 to 83
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.2
Lead (Pb), % 67.1 to 70
0 to 0.3
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
3.5 to 4.5
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 29.5 to 30.5
0
Zinc (Zn), % 0 to 0.0010
11.5 to 16.5
Residuals, % 0
0 to 0.5