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EN 1.7709 Steel vs. Solder Alloy 151

EN 1.7709 steel belongs to the iron alloys classification, while solder alloy 151 belongs to the otherwise unclassified metals. 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 EN 1.7709 steel and the bottom bar is solder alloy 151.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
39
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 73
14
Tensile Strength: Ultimate (UTS), MPa 650 to 780
46

Thermal Properties

Latent Heat of Fusion, J/g 250
47
Melting Completion (Liquidus), °C 1470
150
Melting Onset (Solidus), °C 1420
150
Specific Heat Capacity, J/kg-K 470
190
Thermal Conductivity, W/m-K 33
44
Thermal Expansion, µm/m-K 11
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
10

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.3
9.2
Embodied Energy, MJ/kg 32
160
Embodied Water, L/kg 56
920

Common Calculations

Stiffness to Weight: Axial, points 13
2.5
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 23 to 27
1.4
Strength to Weight: Bending, points 21 to 24
3.2
Thermal Diffusivity, mm2/s 8.9
26
Thermal Shock Resistance, points 22 to 26
3.2

Alloy Composition

Aluminum (Al), % 0 to 0.030
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
17.5 to 18.5
Carbon (C), % 0.17 to 0.25
0
Chromium (Cr), % 1.2 to 1.5
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 95.2 to 97.5
0 to 0.020
Lead (Pb), % 0
30.3 to 33
Manganese (Mn), % 0.4 to 0.8
0
Molybdenum (Mo), % 0.55 to 0.8
0
Nickel (Ni), % 0 to 0.6
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
49.5 to 50.5
Vanadium (V), % 0.2 to 0.35
0
Zinc (Zn), % 0
0 to 0.0010