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C82200 Copper vs. ACI-ASTM CN7MS Steel

C82200 copper belongs to the copper alloys classification, while ACI-ASTM CN7MS 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 C82200 copper and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 20
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 390 to 660
540
Tensile Strength: Yield (Proof), MPa 210 to 520
230

Thermal Properties

Latent Heat of Fusion, J/g 220
340
Maximum Temperature: Mechanical, °C 230
1040
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1040
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 180
12
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
28
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 4.8
5.1
Embodied Energy, MJ/kg 74
71
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 66
170
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1130
140
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 12 to 20
19
Strength to Weight: Bending, points 13 to 19
19
Thermal Diffusivity, mm2/s 53
3.2
Thermal Shock Resistance, points 14 to 23
13

Alloy Composition

Beryllium (Be), % 0.35 to 0.8
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
18 to 20
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 97.4 to 98.7
1.5 to 2.0
Iron (Fe), % 0
45.4 to 53.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 1.0 to 2.0
22 to 25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
2.5 to 3.5
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0