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Solder Alloy 135 vs. C68300 Brass

Solder alloy 135 belongs to the otherwise unclassified metals classification, while C68300 brass belongs to the copper alloys. There are 22 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 135 and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 27
100
Elongation at Break, % 20
15
Poisson's Ratio 0.41
0.31
Shear Modulus, GPa 9.5
40
Tensile Strength: Ultimate (UTS), MPa 35
430

Thermal Properties

Latent Heat of Fusion, J/g 36
180
Melting Completion (Liquidus), °C 250
900
Melting Onset (Solidus), °C 190
890
Specific Heat Capacity, J/kg-K 160
390
Thermal Conductivity, W/m-K 42
120
Thermal Expansion, µm/m-K 27
20

Otherwise Unclassified Properties

Base Metal Price, % relative 90
23
Density, g/cm3 10
8.0
Embodied Carbon, kg CO2/kg material 7.3
2.8
Embodied Energy, MJ/kg 120
46
Embodied Water, L/kg 720
340

Common Calculations

Stiffness to Weight: Axial, points 1.5
7.3
Stiffness to Weight: Bending, points 9.9
20
Strength to Weight: Axial, points 1.0
15
Strength to Weight: Bending, points 2.4
16
Thermal Diffusivity, mm2/s 27
38
Thermal Shock Resistance, points 3.5
14

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.5 to 1.8
0.3 to 1.0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0 to 0.010
Copper (Cu), % 0 to 0.080
59 to 63
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 67.1 to 70
0 to 0.090
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0.3 to 1.0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 29.5 to 30.5
0.050 to 0.2
Zinc (Zn), % 0 to 0.0010
34.2 to 40.4
Residuals, % 0
0 to 0.5