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Solder Alloy 704 vs. EN 1.3961 Alloy

Solder alloy 704 belongs to the otherwise unclassified metals classification, while EN 1.3961 alloy belongs to the iron alloys. There are 18 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 704 and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 30
31
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 19
72
Tensile Strength: Ultimate (UTS), MPa 55
450

Thermal Properties

Latent Heat of Fusion, J/g 62
270
Melting Completion (Liquidus), °C 240
1430
Melting Onset (Solidus), °C 220
1390
Specific Heat Capacity, J/kg-K 220
460
Thermal Expansion, µm/m-K 22
1.3

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.2
Embodied Carbon, kg CO2/kg material 19
4.8
Embodied Energy, MJ/kg 320
66

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.1
15
Strength to Weight: Bending, points 4.3
16
Thermal Shock Resistance, points 3.5
130

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), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
60.7 to 65
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
35 to 37
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 94.3 to 95.2
0
Zinc (Zn), % 0 to 0.0010
0