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EN 1.7077 Steel vs. Solder Alloy 704

EN 1.7077 steel belongs to the iron alloys classification, while solder alloy 704 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 1.7077 steel and the bottom bar is solder alloy 704.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
14
Elastic (Young's, Tensile) Modulus, GPa 190
51
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 73
19
Tensile Strength: Ultimate (UTS), MPa 490 to 1750
55

Thermal Properties

Latent Heat of Fusion, J/g 250
62
Melting Completion (Liquidus), °C 1460
240
Melting Onset (Solidus), °C 1420
220
Specific Heat Capacity, J/kg-K 470
220
Thermal Conductivity, W/m-K 45
50
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
13
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
15

Otherwise Unclassified Properties

Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.4
19
Embodied Energy, MJ/kg 19
320

Common Calculations

Stiffness to Weight: Axial, points 13
3.8
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 17 to 62
2.1
Strength to Weight: Bending, points 18 to 41
4.3
Thermal Diffusivity, mm2/s 12
30
Thermal Shock Resistance, points 14 to 51
3.5

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 to 0.1
Boron (B), % 0.00080 to 0.0050
0
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.34 to 0.38
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0 to 0.25
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 96.8 to 98.1
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), % 0 to 0.3
0
Silver (Ag), % 0
4.8 to 5.2
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
94.3 to 95.2
Zinc (Zn), % 0
0 to 0.0010