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Solder Alloy 301 vs. C21000 Brass

Solder alloy 301 belongs to the otherwise unclassified metals classification, while C21000 brass belongs to the copper alloys. There are 25 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 301 and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 40
110
Elongation at Break, % 51
2.9 to 50
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 15
43
Tensile Strength: Ultimate (UTS), MPa 55
240 to 450
Tensile Strength: Yield (Proof), MPa 49
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 55
200
Melting Completion (Liquidus), °C 140
1070
Melting Onset (Solidus), °C 140
1050
Specific Heat Capacity, J/kg-K 160
390
Thermal Conductivity, W/m-K 19
230
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
56
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
57

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 13
2.6
Embodied Energy, MJ/kg 210
42

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 30
21 to 830
Stiffness to Weight: Axial, points 2.5
7.2
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 1.8
7.4 to 14
Strength to Weight: Bending, points 3.7
9.6 to 15
Thermal Diffusivity, mm2/s 13
69
Thermal Shock Resistance, points 7.2
8.1 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 56.5 to 59
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.050
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), % 0 to 0.070
0 to 0.030
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 41 to 43
0
Zinc (Zn), % 0 to 0.0010
3.7 to 6.0
Residuals, % 0
0 to 0.2