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C55180 Copper vs. ACI-ASTM CN7M Steel

C55180 copper belongs to the copper alloys classification, while ACI-ASTM CN7M steel belongs to the iron alloys. There are 26 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 C55180 copper and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
44
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 200
480
Tensile Strength: Yield (Proof), MPa 100
200

Thermal Properties

Latent Heat of Fusion, J/g 200
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 920
1410
Melting Onset (Solidus), °C 710
1450
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 200
21
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 29
32
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 2.5
5.6
Embodied Energy, MJ/kg 39
78
Embodied Water, L/kg 290
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
170
Resilience: Unit (Modulus of Resilience), kJ/m3 48
110
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.4
17
Strength to Weight: Bending, points 8.8
17
Thermal Diffusivity, mm2/s 56
5.6
Thermal Shock Resistance, points 7.9
12

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 94.7 to 95.2
3.0 to 4.0
Iron (Fe), % 0
37.4 to 48.5
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Phosphorus (P), % 4.8 to 5.2
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Residuals, % 0 to 0.15
0