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Solder Alloy 402 vs. C99400 Brass

Solder alloy 402 belongs to the otherwise unclassified metals classification, while C99400 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 402 and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
120
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
44
Tensile Strength: Ultimate (UTS), MPa 57
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 64
230
Melting Completion (Liquidus), °C 310
1070
Melting Onset (Solidus), °C 230
1020
Specific Heat Capacity, J/kg-K 230
400
Thermal Expansion, µm/m-K 22
17

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.7
Embodied Carbon, kg CO2/kg material 15
2.8
Embodied Energy, MJ/kg 250
45
Embodied Water, L/kg 1180
310

Common Calculations

Stiffness to Weight: Axial, points 3.9
7.5
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.2
15 to 17
Strength to Weight: Bending, points 4.5
15 to 17
Thermal Shock Resistance, points 3.6
16 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.5 to 2.0
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), % 2.5 to 3.5
83.5 to 96.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
1.0 to 3.0
Lead (Pb), % 0 to 0.070
0 to 0.25
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
1.0 to 3.5
Silicon (Si), % 0
0.5 to 2.0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 95.9 to 97.5
0
Zinc (Zn), % 0 to 0.0010
0.5 to 5.0
Residuals, % 0
0 to 0.3