C12900 Copper vs. ASTM Grade LC9 Steel
C12900 copper belongs to the copper alloys classification, while ASTM grade LC9 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 C12900 copper and the bottom bar is ASTM grade LC9 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 2.8 to 50 | |
| 22 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 43 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 220 to 420 | |
| 660 |
| Tensile Strength: Yield (Proof), MPa | 75 to 380 | |
| 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 430 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1450 |
| Melting Onset (Solidus), °C | 1030 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 470 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 98 | |
| 8.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 8.0 |
| Density, g/cm3 | 9.0 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.3 |
| Embodied Energy, MJ/kg | 41 | |
| 31 |
| Embodied Water, L/kg | 330 | |
| 65 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 to 88 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 24 to 640 | |
| 920 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 6.8 to 13 | |
| 23 |
| Strength to Weight: Bending, points | 9.1 to 14 | |
| 21 |
| Thermal Shock Resistance, points | 7.8 to 15 | |
| 20 |
Alloy Composition
| Antimony (Sb), % | 0 to 0.0030 | |
| 0 |
| Arsenic (As), % | 0 to 0.012 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.0030 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.13 |
| Chromium (Cr), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 99.88 to 100 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 | |
| 87.4 to 91.5 |
| Lead (Pb), % | 0 to 0.0040 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 to 0.050 | |
| 8.5 to 10 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 0.45 |
| Silver (Ag), % | 0 to 0.054 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.045 |
| Tellurium (Te), % | 0 to 0.025 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0 to 0.030 |