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Solder Alloy 704 vs. C83300 Brass

Solder alloy 704 belongs to the otherwise unclassified metals classification, while C83300 brass belongs to the copper alloys. There are 23 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 704 and the bottom bar is C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
35
Elastic (Young's, Tensile) Modulus, GPa 51
110
Elongation at Break, % 30
35
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
42
Tensile Strength: Ultimate (UTS), MPa 55
220

Thermal Properties

Latent Heat of Fusion, J/g 62
200
Melting Completion (Liquidus), °C 240
1060
Melting Onset (Solidus), °C 220
1030
Specific Heat Capacity, J/kg-K 220
380
Thermal Conductivity, W/m-K 50
160
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
32
Electrical Conductivity: Equal Weight (Specific), % IACS 15
33

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.8
Embodied Carbon, kg CO2/kg material 19
2.7
Embodied Energy, MJ/kg 320
44

Common Calculations

Stiffness to Weight: Axial, points 3.8
7.0
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 2.1
6.9
Strength to Weight: Bending, points 4.3
9.2
Thermal Diffusivity, mm2/s 30
48
Thermal Shock Resistance, points 3.5
7.9

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
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 0.050
92 to 94
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 0 to 0.070
1.0 to 2.0
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 4.8 to 5.2
0
Tin (Sn), % 94.3 to 95.2
1.0 to 2.0
Zinc (Zn), % 0 to 0.0010
2.0 to 6.0
Residuals, % 0
0 to 0.7