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ACI-ASTM CB7Cu-1 Steel vs. C19025 Copper

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C19025 copper belongs to the copper alloys. There are 24 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 CB7Cu-1 steel and the bottom bar is C19025 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 5.7 to 11
8.0 to 17
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
480 to 620

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Melting Completion (Liquidus), °C 1430
1080
Melting Onset (Solidus), °C 1500
1020
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 17
160
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
40

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 38
44
Embodied Water, L/kg 130
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 34 to 48
15 to 19
Strength to Weight: Bending, points 28 to 35
15 to 18
Thermal Diffusivity, mm2/s 4.6
47
Thermal Shock Resistance, points 32 to 45
17 to 22

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
97.1 to 98.5
Iron (Fe), % 72.3 to 78.4
0
Manganese (Mn), % 0 to 0.7
0
Nickel (Ni), % 3.6 to 4.6
0.8 to 1.2
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0.030 to 0.070
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.7 to 1.1
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.3