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EN 1.8153 Steel vs. Solder Alloy 721

EN 1.8153 steel belongs to the iron alloys classification, while solder alloy 721 belongs to the otherwise unclassified metals. There are 21 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 EN 1.8153 steel and the bottom bar is solder alloy 721.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
51
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 72
19
Tensile Strength: Ultimate (UTS), MPa 670 to 2040
50

Thermal Properties

Latent Heat of Fusion, J/g 270
61
Melting Completion (Liquidus), °C 1440
220
Melting Onset (Solidus), °C 1390
210
Specific Heat Capacity, J/kg-K 480
220
Thermal Conductivity, W/m-K 45
56
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
14
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
17

Otherwise Unclassified Properties

Density, g/cm3 7.7
7.4
Embodied Carbon, kg CO2/kg material 1.8
17
Embodied Energy, MJ/kg 25
280

Common Calculations

Stiffness to Weight: Axial, points 13
3.8
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 24 to 74
1.9
Strength to Weight: Bending, points 22 to 46
4.1
Thermal Diffusivity, mm2/s 12
34
Thermal Shock Resistance, points 20 to 62
3.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0.8 to 1.2
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.2 to 0.4
0
Copper (Cu), % 0
0.3 to 0.7
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 95.7 to 96.9
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0.7 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.5 to 2.0
0
Silver (Ag), % 0
2.3 to 2.7
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
95 to 96.6
Vanadium (V), % 0.1 to 0.2
0
Zinc (Zn), % 0
0 to 0.0010