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ACI-ASTM CB7Cu-1 Steel vs. CR014A Copper

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while CR014A copper belongs to the copper alloys. There are 27 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-1 steel and the bottom bar is CR014A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 5.7 to 11
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
230
Tensile Strength: Yield (Proof), MPa 760 to 1180
140

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Melting Completion (Liquidus), °C 1430
1090
Melting Onset (Solidus), °C 1500
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 17
380
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
98
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
99

Otherwise Unclassified Properties

Base Metal Price, % relative 13
32
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 38
42
Embodied Water, L/kg 130
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
31
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 34 to 48
7.1
Strength to Weight: Bending, points 28 to 35
9.3
Thermal Diffusivity, mm2/s 4.6
110
Thermal Shock Resistance, points 32 to 45
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
99.913 to 99.969
Iron (Fe), % 72.3 to 78.4
0
Manganese (Mn), % 0 to 0.7
0
Nickel (Ni), % 3.6 to 4.6
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0.0010 to 0.0070
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0.030 to 0.050
Sulfur (S), % 0 to 0.030
0