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C87900 Brass vs. Solder Alloy 401

C87900 brass belongs to the copper alloys classification, while solder alloy 401 belongs to the otherwise unclassified metals. There are 23 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 C87900 brass and the bottom bar is solder alloy 401.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
50
Elongation at Break, % 25
21
Poisson's Ratio 0.31
0.36
Shear Modulus, GPa 41
19
Tensile Strength: Ultimate (UTS), MPa 480
29

Thermal Properties

Latent Heat of Fusion, J/g 190
60
Melting Completion (Liquidus), °C 930
230
Melting Onset (Solidus), °C 900
230
Specific Heat Capacity, J/kg-K 390
220
Thermal Conductivity, W/m-K 120
66
Thermal Expansion, µm/m-K 20
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
14
Electrical Conductivity: Equal Weight (Specific), % IACS 17
17

Otherwise Unclassified Properties

Density, g/cm3 8.1
7.3
Embodied Carbon, kg CO2/kg material 2.7
15
Embodied Energy, MJ/kg 46
250
Embodied Water, L/kg 320
1200

Common Calculations

Stiffness to Weight: Axial, points 7.3
3.8
Stiffness to Weight: Bending, points 20
17
Strength to Weight: Axial, points 17
1.1
Strength to Weight: Bending, points 17
2.9
Thermal Diffusivity, mm2/s 37
40
Thermal Shock Resistance, points 16
1.9

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.0010
Antimony (Sb), % 0 to 0.050
0 to 0.1
Arsenic (As), % 0 to 0.050
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 63 to 69.2
0.5 to 0.9
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.4
0 to 0.020
Lead (Pb), % 0 to 0.25
0 to 0.070
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
0 to 0.010
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
98.5 to 99.5
Zinc (Zn), % 30 to 36
0 to 0.0010