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Solder Alloy 191 vs. C44400 Brass

Solder alloy 191 belongs to the otherwise unclassified metals classification, while C44400 brass belongs to the copper alloys. There are 21 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 191 and the bottom bar is C44400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 19
110
Poisson's Ratio 0.43
0.32
Shear Modulus, GPa 6.5
41
Tensile Strength: Ultimate (UTS), MPa 29
350

Thermal Properties

Latent Heat of Fusion, J/g 27
180
Melting Completion (Liquidus), °C 300
940
Melting Onset (Solidus), °C 300
900
Specific Heat Capacity, J/kg-K 130
380
Thermal Conductivity, W/m-K 24
110
Thermal Expansion, µm/m-K 29
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
25
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
27

Otherwise Unclassified Properties

Density, g/cm3 11
8.3
Embodied Carbon, kg CO2/kg material 5.8
2.8
Embodied Energy, MJ/kg 95
46

Common Calculations

Stiffness to Weight: Axial, points 0.93
7.2
Stiffness to Weight: Bending, points 8.0
19
Strength to Weight: Axial, points 0.72
12
Strength to Weight: Bending, points 1.9
13
Thermal Diffusivity, mm2/s 16
35
Thermal Shock Resistance, points 3.9
12

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0.020 to 0.1
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
70 to 73
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), % 92.4 to 94
0 to 0.070
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 1.2 to 1.8
0
Tin (Sn), % 4.8 to 5.2
0.9 to 1.2
Zinc (Zn), % 0 to 0.0010
25.2 to 29.1
Residuals, % 0
0 to 0.4