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Solder Alloy 151 vs. C21000 Brass

Solder alloy 151 belongs to the otherwise unclassified metals classification, while C21000 brass belongs to the copper alloys. There are 23 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 151 and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 39
110
Elongation at Break, % 37
2.9 to 50
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 14
43
Tensile Strength: Ultimate (UTS), MPa 46
240 to 450

Thermal Properties

Latent Heat of Fusion, J/g 47
200
Melting Completion (Liquidus), °C 150
1070
Melting Onset (Solidus), °C 150
1050
Specific Heat Capacity, J/kg-K 190
390
Thermal Conductivity, W/m-K 44
230
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
56
Electrical Conductivity: Equal Weight (Specific), % IACS 10
57

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 9.2
2.6
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 920
310

Common Calculations

Stiffness to Weight: Axial, points 2.5
7.2
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 1.4
7.4 to 14
Strength to Weight: Bending, points 3.2
9.6 to 15
Thermal Diffusivity, mm2/s 26
69
Thermal Shock Resistance, points 3.2
8.1 to 15

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), % 17.5 to 18.5
0
Copper (Cu), % 0 to 0.080
94 to 96
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.050
Lead (Pb), % 30.3 to 33
0 to 0.030
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 49.5 to 50.5
0
Zinc (Zn), % 0 to 0.0010
3.7 to 6.0
Residuals, % 0
0 to 0.2