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Solder Alloy 402 vs. C49300 Brass

Solder alloy 402 belongs to the otherwise unclassified metals classification, while C49300 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 402 and the bottom bar is C49300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
100
Elongation at Break, % 20
4.5 to 20
Poisson's Ratio 0.36
0.31
Shear Modulus, GPa 19
40
Tensile Strength: Ultimate (UTS), MPa 57
430 to 520

Thermal Properties

Latent Heat of Fusion, J/g 64
170
Melting Completion (Liquidus), °C 310
880
Melting Onset (Solidus), °C 230
840
Specific Heat Capacity, J/kg-K 230
380
Thermal Conductivity, W/m-K 61
88
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
15
Electrical Conductivity: Equal Weight (Specific), % IACS 18
17

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.0
Embodied Carbon, kg CO2/kg material 15
3.0
Embodied Energy, MJ/kg 250
50
Embodied Water, L/kg 1180
370

Common Calculations

Stiffness to Weight: Axial, points 3.9
7.2
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.2
15 to 18
Strength to Weight: Bending, points 4.5
16 to 18
Thermal Diffusivity, mm2/s 37
29
Thermal Shock Resistance, points 3.6
14 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.5
Antimony (Sb), % 0 to 0.1
0 to 0.5
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0.5 to 2.0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 2.5 to 3.5
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), % 0 to 0.070
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), % 95.9 to 97.5
1.0 to 1.8
Zinc (Zn), % 0 to 0.0010
30.6 to 40.5
Residuals, % 0
0 to 0.5