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C68300 Brass vs. Solder Alloy 181

C68300 brass belongs to the copper alloys classification, while solder alloy 181 belongs to the otherwise unclassified metals. There are 20 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 C68300 brass and the bottom bar is solder alloy 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
18
Elongation at Break, % 15
41
Poisson's Ratio 0.31
0.44
Shear Modulus, GPa 40
6.1
Tensile Strength: Ultimate (UTS), MPa 430
27

Thermal Properties

Latent Heat of Fusion, J/g 180
26
Melting Completion (Liquidus), °C 900
310
Melting Onset (Solidus), °C 890
300
Specific Heat Capacity, J/kg-K 390
130
Thermal Conductivity, W/m-K 120
24
Thermal Expansion, µm/m-K 20
29

Otherwise Unclassified Properties

Density, g/cm3 8.0
11
Embodied Carbon, kg CO2/kg material 2.8
6.2
Embodied Energy, MJ/kg 46
100

Common Calculations

Stiffness to Weight: Axial, points 7.3
0.86
Stiffness to Weight: Bending, points 20
7.7
Strength to Weight: Axial, points 15
0.66
Strength to Weight: Bending, points 16
1.8
Thermal Diffusivity, mm2/s 38
16
Thermal Shock Resistance, points 14
3.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0.3 to 1.0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.010
0 to 0.0020
Copper (Cu), % 59 to 63
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0 to 0.090
96.2 to 98
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.3 to 1.0
0
Silver (Ag), % 0
2.0 to 3.0
Tin (Sn), % 0.050 to 0.2
0 to 0.25
Zinc (Zn), % 34.2 to 40.4
0 to 0.0010
Residuals, % 0 to 0.5
0