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Solder Alloy 703 vs. EN 1.3539 Steel

Solder alloy 703 belongs to the otherwise unclassified metals classification, while EN 1.3539 steel belongs to the iron alloys. There are 22 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 703 and the bottom bar is EN 1.3539 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
200
Elastic (Young's, Tensile) Modulus, GPa 51
190
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
73
Tensile Strength: Ultimate (UTS), MPa 57
670

Thermal Properties

Latent Heat of Fusion, J/g 61
260
Melting Completion (Liquidus), °C 220
1450
Melting Onset (Solidus), °C 220
1410
Specific Heat Capacity, J/kg-K 220
470
Thermal Conductivity, W/m-K 55
39
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.7

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.8
Embodied Carbon, kg CO2/kg material 18
1.7
Embodied Energy, MJ/kg 300
22

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.1
24
Strength to Weight: Bending, points 4.4
22
Thermal Diffusivity, mm2/s 33
11
Thermal Shock Resistance, points 3.7
20

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.050
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
0.93 to 1.1
Chromium (Cr), % 0
1.8 to 2.1
Copper (Cu), % 0 to 0.050
0 to 0.3
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
95.2 to 96.5
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.8 to 1.1
Molybdenum (Mo), % 0
0.5 to 0.6
Nickel (Ni), % 0 to 0.010
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.4 to 0.6
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 95.8 to 96.7
0
Zinc (Zn), % 0 to 0.0010
0