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ACI-ASTM CB7Cu-2 Steel vs. Solder Alloy 117

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while solder alloy 117 belongs to the otherwise unclassified metals. There are 25 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 ACI-ASTM CB7Cu-2 steel and the bottom bar is solder alloy 117.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
11
Elastic (Young's, Tensile) Modulus, GPa 190
23
Elongation at Break, % 5.7 to 11
20
Poisson's Ratio 0.28
0.42
Shear Modulus, GPa 75
8.1
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
33

Thermal Properties

Latent Heat of Fusion, J/g 280
31
Melting Completion (Liquidus), °C 1430
280
Melting Onset (Solidus), °C 1380
180
Specific Heat Capacity, J/kg-K 480
150
Thermal Conductivity, W/m-K 17
37
Thermal Expansion, µm/m-K 11
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
85
Density, g/cm3 7.8
11
Embodied Carbon, kg CO2/kg material 2.6
6.1
Embodied Energy, MJ/kg 38
100
Embodied Water, L/kg 130
610

Common Calculations

Stiffness to Weight: Axial, points 14
1.2
Stiffness to Weight: Bending, points 25
9.0
Strength to Weight: Axial, points 34 to 48
0.88
Strength to Weight: Bending, points 28 to 35
2.2
Thermal Diffusivity, mm2/s 4.6
24
Thermal Shock Resistance, points 32 to 45
3.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 3.2
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 73.6 to 79
0 to 0.020
Lead (Pb), % 0
78.4 to 80.5
Manganese (Mn), % 0 to 0.7
0
Nickel (Ni), % 4.5 to 5.5
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
19.5 to 20.5
Zinc (Zn), % 0
0 to 0.0010