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Solder Alloy 181 vs. C84800 Brass

Solder alloy 181 belongs to the otherwise unclassified metals classification, while C84800 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 181 and the bottom bar is C84800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
100
Elongation at Break, % 41
18
Poisson's Ratio 0.44
0.33
Shear Modulus, GPa 6.1
39
Tensile Strength: Ultimate (UTS), MPa 27
230

Thermal Properties

Latent Heat of Fusion, J/g 26
180
Melting Completion (Liquidus), °C 310
950
Melting Onset (Solidus), °C 300
830
Specific Heat Capacity, J/kg-K 130
370
Thermal Conductivity, W/m-K 24
72
Thermal Expansion, µm/m-K 29
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
16
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
17

Otherwise Unclassified Properties

Density, g/cm3 11
8.6
Embodied Carbon, kg CO2/kg material 6.2
2.8
Embodied Energy, MJ/kg 100
46

Common Calculations

Stiffness to Weight: Axial, points 0.86
6.6
Stiffness to Weight: Bending, points 7.7
18
Strength to Weight: Axial, points 0.66
7.3
Strength to Weight: Bending, points 1.8
9.6
Thermal Diffusivity, mm2/s 16
23
Thermal Shock Resistance, points 3.8
8.2

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.25
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
75 to 77
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.4
Lead (Pb), % 96.2 to 98
5.5 to 7.0
Nickel (Ni), % 0 to 0.010
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.25
2.0 to 3.0
Zinc (Zn), % 0 to 0.0010
13 to 17
Residuals, % 0
0 to 0.7