MakeItFrom.com
Menu (ESC)

Solder Alloy 181 vs. C37100 Brass

Solder alloy 181 belongs to the otherwise unclassified metals classification, while C37100 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 181 and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
100
Elongation at Break, % 41
8.0 to 40
Poisson's Ratio 0.44
0.31
Shear Modulus, GPa 6.1
40
Tensile Strength: Ultimate (UTS), MPa 27
370 to 520

Thermal Properties

Latent Heat of Fusion, J/g 26
170
Melting Completion (Liquidus), °C 310
900
Melting Onset (Solidus), °C 300
890
Specific Heat Capacity, J/kg-K 130
380
Thermal Conductivity, W/m-K 24
120
Thermal Expansion, µm/m-K 29
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
30

Otherwise Unclassified Properties

Density, g/cm3 11
8.0
Embodied Carbon, kg CO2/kg material 6.2
2.7
Embodied Energy, MJ/kg 100
45

Common Calculations

Stiffness to Weight: Axial, points 0.86
7.2
Stiffness to Weight: Bending, points 7.7
20
Strength to Weight: Axial, points 0.66
13 to 18
Strength to Weight: Bending, points 1.8
14 to 18
Thermal Diffusivity, mm2/s 16
39
Thermal Shock Resistance, points 3.8
12 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
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 0.080
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 0.15
Lead (Pb), % 96.2 to 98
0.6 to 1.2
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 2.0 to 3.0
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.0010
36.3 to 41.4
Residuals, % 0
0 to 0.4