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Solder Alloy 704 vs. K93050 Alloy

Solder alloy 704 belongs to the otherwise unclassified metals classification, while K93050 alloy belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 704 and the bottom bar is K93050 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
190
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 19
72
Tensile Strength: Ultimate (UTS), MPa 55
500 to 680

Thermal Properties

Latent Heat of Fusion, J/g 62
270
Melting Completion (Liquidus), °C 240
1430
Melting Onset (Solidus), °C 220
1380
Specific Heat Capacity, J/kg-K 220
460
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.2
Embodied Carbon, kg CO2/kg material 19
4.7
Embodied Energy, MJ/kg 320
65

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.1
17 to 23
Strength to Weight: Bending, points 4.3
17 to 21
Thermal Shock Resistance, points 3.5
16 to 21

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 0.15
Chromium (Cr), % 0
0 to 0.25
Cobalt (Co), % 0
0 to 0.5
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
61.4 to 63.9
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
36
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0.15 to 0.3
Silicon (Si), % 0
0 to 0.35
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