SAE-AISI 8645 Steel vs. C17500 Copper
SAE-AISI 8645 steel belongs to the iron alloys classification, while C17500 copper belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 8645 steel and the bottom bar is C17500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
120 |
Elongation at Break, % | 12 to 23 | |
6.0 to 30 |
Fatigue Strength, MPa | 280 to 350 | |
170 to 310 |
Poisson's Ratio | 0.29 | |
0.34 |
Shear Modulus, GPa | 73 | |
45 |
Shear Strength, MPa | 380 to 400 | |
200 to 520 |
Tensile Strength: Ultimate (UTS), MPa | 600 to 670 | |
310 to 860 |
Tensile Strength: Yield (Proof), MPa | 390 to 560 | |
170 to 760 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
220 |
Maximum Temperature: Mechanical, °C | 410 | |
220 |
Melting Completion (Liquidus), °C | 1460 | |
1060 |
Melting Onset (Solidus), °C | 1420 | |
1020 |
Specific Heat Capacity, J/kg-K | 470 | |
390 |
Thermal Conductivity, W/m-K | 39 | |
200 |
Thermal Expansion, µm/m-K | 13 | |
18 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
24 to 53 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
24 to 54 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.6 | |
60 |
Density, g/cm3 | 7.8 | |
8.9 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
4.7 |
Embodied Energy, MJ/kg | 20 | |
73 |
Embodied Water, L/kg | 50 | |
320 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 77 to 120 | |
30 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 to 840 | |
120 to 2390 |
Stiffness to Weight: Axial, points | 13 | |
7.5 |
Stiffness to Weight: Bending, points | 24 | |
18 |
Strength to Weight: Axial, points | 21 to 24 | |
9.7 to 27 |
Strength to Weight: Bending, points | 20 to 22 | |
11 to 23 |
Thermal Diffusivity, mm2/s | 10 | |
59 |
Thermal Shock Resistance, points | 18 to 20 | |
11 to 29 |
Alloy Composition
Aluminum (Al), % | 0 | |
0 to 0.2 |
Beryllium (Be), % | 0 | |
0.4 to 0.7 |
Carbon (C), % | 0.43 to 0.48 | |
0 |
Chromium (Cr), % | 0.4 to 0.6 | |
0 |
Cobalt (Co), % | 0 | |
2.4 to 2.7 |
Copper (Cu), % | 0 | |
95.6 to 97.2 |
Iron (Fe), % | 96.5 to 97.7 | |
0 to 0.1 |
Manganese (Mn), % | 0.75 to 1.0 | |
0 |
Molybdenum (Mo), % | 0.15 to 0.25 | |
0 |
Nickel (Ni), % | 0.4 to 0.7 | |
0 |
Phosphorus (P), % | 0 to 0.035 | |
0 |
Silicon (Si), % | 0.15 to 0.35 | |
0 to 0.2 |
Sulfur (S), % | 0 to 0.040 | |
0 |
Residuals, % | 0 | |
0 to 0.5 |