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Solder Alloy 137 vs. C49300 Brass

Solder alloy 137 belongs to the otherwise unclassified metals classification, while C49300 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 137 and the bottom bar is C49300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 24
100
Elongation at Break, % 19
4.5 to 20
Poisson's Ratio 0.42
0.31
Shear Modulus, GPa 8.3
40
Tensile Strength: Ultimate (UTS), MPa 34
430 to 520

Thermal Properties

Latent Heat of Fusion, J/g 33
170
Melting Completion (Liquidus), °C 270
880
Melting Onset (Solidus), °C 190
840
Specific Heat Capacity, J/kg-K 150
380
Thermal Conductivity, W/m-K 38
88
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
15
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
17

Otherwise Unclassified Properties

Base Metal Price, % relative 85
26
Density, g/cm3 10
8.0
Embodied Carbon, kg CO2/kg material 6.3
3.0
Embodied Energy, MJ/kg 100
50
Embodied Water, L/kg 660
370

Common Calculations

Stiffness to Weight: Axial, points 1.3
7.2
Stiffness to Weight: Bending, points 9.2
19
Strength to Weight: Axial, points 0.9
15 to 18
Strength to Weight: Bending, points 2.2
16 to 18
Thermal Diffusivity, mm2/s 25
29
Thermal Shock Resistance, points 3.7
14 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.5
Antimony (Sb), % 0.5 to 3.0
0 to 0.5
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0.5 to 2.0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
58 to 62
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.1
Lead (Pb), % 75.9 to 80
0 to 0.010
Manganese (Mn), % 0
0 to 0.030
Nickel (Ni), % 0 to 0.010
0 to 1.5
Phosphorus (P), % 0
0 to 0.2
Selenium (Se), % 0
0 to 0.2
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 19.5 to 20.5
1.0 to 1.8
Zinc (Zn), % 0 to 0.0010
30.6 to 40.5
Residuals, % 0
0 to 0.5