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ACI-ASTM CD4MCu Steel vs. C19025 Copper

ACI-ASTM CD4MCu steel belongs to the iron alloys classification, while C19025 copper belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD4MCu steel and the bottom bar is C19025 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 18
8.0 to 17
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 79
43
Tensile Strength: Ultimate (UTS), MPa 770
480 to 620

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1430
1080
Melting Onset (Solidus), °C 1380
1020
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 17
160
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
40

Otherwise Unclassified Properties

Base Metal Price, % relative 18
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.5
2.8
Embodied Energy, MJ/kg 49
44
Embodied Water, L/kg 180
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
15 to 19
Strength to Weight: Bending, points 24
15 to 18
Thermal Diffusivity, mm2/s 4.5
47
Thermal Shock Resistance, points 21
17 to 22

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 24.5 to 26.5
0
Copper (Cu), % 2.8 to 3.3
97.1 to 98.5
Iron (Fe), % 59.9 to 66.3
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.8 to 2.3
0
Nickel (Ni), % 4.8 to 6.0
0.8 to 1.2
Phosphorus (P), % 0 to 0.040
0.030 to 0.070
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0.7 to 1.1
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.3