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Solder Alloy 101 vs. C37100 Brass

Solder alloy 101 belongs to the otherwise unclassified metals classification, while C37100 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is solder alloy 101 and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
100
Elongation at Break, % 48
8.0 to 40
Poisson's Ratio 0.39
0.31
Shear Modulus, GPa 14
40
Tensile Strength: Ultimate (UTS), MPa 31
370 to 520
Tensile Strength: Yield (Proof), MPa 27
150 to 390

Thermal Properties

Latent Heat of Fusion, J/g 46
170
Melting Completion (Liquidus), °C 180
900
Melting Onset (Solidus), °C 180
890
Specific Heat Capacity, J/kg-K 190
380
Thermal Conductivity, W/m-K 51
120
Thermal Expansion, µm/m-K 25
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
27
Electrical Conductivity: Equal Weight (Specific), % IACS 12
30

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 11
2.7
Embodied Energy, MJ/kg 180
45
Embodied Water, L/kg 930
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
38 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 9.9
110 to 750
Stiffness to Weight: Axial, points 2.4
7.2
Stiffness to Weight: Bending, points 13
20
Strength to Weight: Axial, points 1.0
13 to 18
Strength to Weight: Bending, points 2.5
14 to 18
Thermal Diffusivity, mm2/s 31
39
Thermal Shock Resistance, points 2.4
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), % 35.8 to 37.5
0.6 to 1.2
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 62.5 to 63.5
0
Zinc (Zn), % 0 to 0.0010
36.3 to 41.4
Residuals, % 0
0 to 0.4