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Solder Alloy 601 vs. CC751S Brass

Solder alloy 601 belongs to the otherwise unclassified metals classification, while CC751S brass belongs to the copper alloys. There are 22 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 601 and the bottom bar is CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 5.0
130
Elastic (Young's, Tensile) Modulus, GPa 31
110
Elongation at Break, % 83
5.6
Poisson's Ratio 0.41
0.31
Shear Modulus, GPa 11
40
Tensile Strength: Ultimate (UTS), MPa 12
450

Thermal Properties

Latent Heat of Fusion, J/g 43
190
Melting Completion (Liquidus), °C 120
850
Melting Onset (Solidus), °C 120
810
Specific Heat Capacity, J/kg-K 230
390
Thermal Conductivity, W/m-K 34
110
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
25
Electrical Conductivity: Equal Weight (Specific), % IACS 14
28

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.1
Embodied Water, L/kg 1330
330

Common Calculations

Stiffness to Weight: Axial, points 2.3
7.2
Stiffness to Weight: Bending, points 14
19
Strength to Weight: Axial, points 0.45
15
Strength to Weight: Bending, points 1.6
16
Thermal Diffusivity, mm2/s 20
35
Thermal Shock Resistance, points 1.2
15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.1
Antimony (Sb), % 0 to 0.1
0 to 0.5
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 0.050
62.7 to 66
Gold (Au), % 0 to 0.050
0
Indium (In), % 51 to 52.5
0
Iron (Fe), % 0 to 0.020
0.25 to 0.5
Lead (Pb), % 0 to 0.070
0.8 to 2.2
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 0.010
0 to 0.8
Silicon (Si), % 0
0.65 to 1.1
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 47.5 to 48.5
0 to 0.8
Zinc (Zn), % 0 to 0.0010
27.9 to 35.6