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ACI-ASTM CB7Cu-1 Steel vs. Solder Alloy 811

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while solder alloy 811 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-1 steel and the bottom bar is solder alloy 811.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
52
Elongation at Break, % 5.7 to 11
38
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 76
19
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
53

Thermal Properties

Latent Heat of Fusion, J/g 280
63
Melting Completion (Liquidus), °C 1430
200
Melting Onset (Solidus), °C 1500
190
Specific Heat Capacity, J/kg-K 480
230
Thermal Conductivity, W/m-K 17
59
Thermal Expansion, µm/m-K 11
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
14
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
17

Otherwise Unclassified Properties

Density, g/cm3 7.8
7.3
Embodied Carbon, kg CO2/kg material 2.6
14
Embodied Energy, MJ/kg 38
240
Embodied Water, L/kg 130
1200

Common Calculations

Stiffness to Weight: Axial, points 14
4.0
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 34 to 48
2.0
Strength to Weight: Bending, points 28 to 35
4.3
Thermal Diffusivity, mm2/s 4.6
35
Thermal Shock Resistance, points 32 to 45
3.3

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
2.8 to 3.2
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 72.3 to 78.4
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 0.7
0
Nickel (Ni), % 3.6 to 4.6
0 to 0.010
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
87.8 to 89.7
Zinc (Zn), % 0
7.5 to 8.5