ASTM A387 Grade 11 Steel vs. C72700 Copper-nickel
ASTM A387 grade 11 steel belongs to the iron alloys classification, while C72700 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ASTM A387 grade 11 steel and the bottom bar is C72700 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 25 | |
| 4.0 to 36 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 73 | |
| 44 |
| Shear Strength, MPa | 320 to 390 | |
| 310 to 620 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 600 | |
| 460 to 1070 |
| Tensile Strength: Yield (Proof), MPa | 270 to 350 | |
| 580 to 1060 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 200 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1100 |
| Melting Onset (Solidus), °C | 1420 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 39 | |
| 54 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.9 | |
| 36 |
| Density, g/cm3 | 7.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 4.0 |
| Embodied Energy, MJ/kg | 21 | |
| 62 |
| Embodied Water, L/kg | 53 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 130 | |
| 20 to 380 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 to 320 | |
| 1420 to 4770 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 14 to 34 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 15 to 26 |
| Thermal Diffusivity, mm2/s | 11 | |
| 16 |
| Thermal Shock Resistance, points | 15 to 18 | |
| 16 to 38 |
Alloy Composition
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| Carbon (C), % | 0.050 to 0.17 | |
| 0 |
| Chromium (Cr), % | 1.0 to 1.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 82.1 to 86 |
| Iron (Fe), % | 96.2 to 97.6 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.15 |
| Manganese (Mn), % | 0.4 to 0.65 | |
| 0.050 to 0.3 |
| Molybdenum (Mo), % | 0.45 to 0.65 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 8.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0.5 to 0.8 | |
| 0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Tin (Sn), % | 0 | |
| 5.5 to 6.5 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.3 |