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Solder Alloy 161 vs. C68700 Brass

Solder alloy 161 belongs to the otherwise unclassified metals classification, while C68700 brass belongs to the copper alloys. There are 22 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 161 and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
110
Poisson's Ratio 0.39
0.32
Shear Modulus, GPa 14
41
Tensile Strength: Ultimate (UTS), MPa 53
390

Thermal Properties

Latent Heat of Fusion, J/g 48
190
Melting Completion (Liquidus), °C 190
970
Melting Onset (Solidus), °C 180
930
Specific Heat Capacity, J/kg-K 190
400
Thermal Conductivity, W/m-K 49
100
Thermal Expansion, µm/m-K 25
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
23
Electrical Conductivity: Equal Weight (Specific), % IACS 11
25

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 180
46
Embodied Water, L/kg 910
340

Common Calculations

Stiffness to Weight: Axial, points 2.4
7.3
Stiffness to Weight: Bending, points 13
19
Strength to Weight: Axial, points 1.7
13
Strength to Weight: Bending, points 3.5
14
Thermal Diffusivity, mm2/s 29
30
Thermal Shock Resistance, points 4.1
13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
1.8 to 2.5
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0.020 to 0.1
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 1.2 to 1.6
76 to 79
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.060
Lead (Pb), % 37.3 to 39.3
0 to 0.070
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0
Zinc (Zn), % 0 to 0.0010
17.8 to 22.2
Residuals, % 0
0 to 0.5