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Solder Alloy 704 vs. C41500 Brass

Solder alloy 704 belongs to the otherwise unclassified metals classification, while C41500 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 704 and the bottom bar is C41500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
110
Elongation at Break, % 30
2.0 to 42
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 19
42
Tensile Strength: Ultimate (UTS), MPa 55
340 to 560

Thermal Properties

Latent Heat of Fusion, J/g 62
200
Melting Completion (Liquidus), °C 240
1030
Melting Onset (Solidus), °C 220
1010
Specific Heat Capacity, J/kg-K 220
380
Thermal Conductivity, W/m-K 50
120
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
28
Electrical Conductivity: Equal Weight (Specific), % IACS 15
29

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.7
Embodied Carbon, kg CO2/kg material 19
2.8
Embodied Energy, MJ/kg 320
45

Common Calculations

Stiffness to Weight: Axial, points 3.8
7.1
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 2.1
11 to 18
Strength to Weight: Bending, points 4.3
12 to 17
Thermal Diffusivity, mm2/s 30
37
Thermal Shock Resistance, points 3.5
12 to 20

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
89 to 93
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.050
Lead (Pb), % 0 to 0.070
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 4.8 to 5.2
0
Tin (Sn), % 94.3 to 95.2
1.5 to 2.2
Zinc (Zn), % 0 to 0.0010
4.2 to 9.5
Residuals, % 0
0 to 0.5