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ACI-ASTM CE3MN Steel vs. Solder Alloy 702

ACI-ASTM CE3MN steel belongs to the iron alloys classification, while solder alloy 702 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE3MN steel and the bottom bar is solder alloy 702.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
51
Elongation at Break, % 20
21
Poisson's Ratio 0.27
0.36
Shear Modulus, GPa 81
19
Tensile Strength: Ultimate (UTS), MPa 770
53

Thermal Properties

Latent Heat of Fusion, J/g 300
61
Melting Completion (Liquidus), °C 1450
220
Melting Onset (Solidus), °C 1410
220
Specific Heat Capacity, J/kg-K 470
220
Thermal Conductivity, W/m-K 15
62
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
18

Otherwise Unclassified Properties

Density, g/cm3 7.8
7.4
Embodied Carbon, kg CO2/kg material 4.2
17
Embodied Energy, MJ/kg 58
290

Common Calculations

Stiffness to Weight: Axial, points 15
3.8
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 27
2.0
Strength to Weight: Bending, points 24
4.2
Thermal Diffusivity, mm2/s 4.1
38
Thermal Shock Resistance, points 21
3.4

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
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 58.1 to 65.9
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 6.0 to 8.0
0 to 0.010
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
2.8 to 3.2
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
96.3 to 97.2
Zinc (Zn), % 0
0 to 0.0010