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Solder Alloy 704 vs. EN 1.3555 Steel

Solder alloy 704 belongs to the otherwise unclassified metals classification, while EN 1.3555 steel belongs to the iron alloys. There are 20 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 704 and the bottom bar is EN 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
230
Elastic (Young's, Tensile) Modulus, GPa 51
190
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
75
Tensile Strength: Ultimate (UTS), MPa 55
770

Thermal Properties

Latent Heat of Fusion, J/g 62
260
Melting Completion (Liquidus), °C 240
1500
Melting Onset (Solidus), °C 220
1450
Specific Heat Capacity, J/kg-K 220
460
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 15
11

Otherwise Unclassified Properties

Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 19
5.6
Embodied Energy, MJ/kg 320
81

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.1
27
Strength to Weight: Bending, points 4.3
23
Thermal Shock Resistance, points 3.5
22

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
0.1 to 0.15
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0 to 0.050
0 to 0.1
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
85.4 to 87.7
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 0 to 0.010
3.2 to 3.6
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0.1 to 0.25
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 94.3 to 95.2
0
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
1.0 to 1.3
Zinc (Zn), % 0 to 0.0010
0