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Solder Alloy 715 vs. R30556 Alloy

Solder alloy 715 belongs to the otherwise unclassified metals classification, while R30556 alloy belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 715 and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
210
Elongation at Break, % 21
45
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
81
Tensile Strength: Ultimate (UTS), MPa 30
780

Thermal Properties

Latent Heat of Fusion, J/g 61
300
Melting Completion (Liquidus), °C 220
1420
Melting Onset (Solidus), °C 220
1330
Specific Heat Capacity, J/kg-K 220
450
Thermal Conductivity, W/m-K 60
11
Thermal Expansion, µm/m-K 22
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 15
1.9

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.4
Embodied Carbon, kg CO2/kg material 16
8.7
Embodied Energy, MJ/kg 270
130

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 1.1
26
Strength to Weight: Bending, points 2.9
22
Thermal Diffusivity, mm2/s 37
2.9
Thermal Shock Resistance, points 1.9
18

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.1 to 0.5
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Boron (B), % 0
0 to 0.020
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 0.5 to 0.9
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0 to 0.010
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.2 to 0.8
Silver (Ag), % 0.8 to 1.2
0
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tin (Sn), % 97.4 to 98.7
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0 to 0.0010
0.0010 to 0.1