CR020A Copper vs. S17400 Stainless Steel
CR020A copper belongs to the copper alloys classification, while S17400 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is CR020A copper and the bottom bar is S17400 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 120 | |
190 |
Elongation at Break, % | 15 | |
11 to 21 |
Poisson's Ratio | 0.34 | |
0.28 |
Shear Modulus, GPa | 43 | |
75 |
Tensile Strength: Ultimate (UTS), MPa | 220 | |
910 to 1390 |
Tensile Strength: Yield (Proof), MPa | 130 | |
580 to 1250 |
Thermal Properties
Latent Heat of Fusion, J/g | 210 | |
280 |
Maximum Temperature: Mechanical, °C | 200 | |
850 |
Melting Completion (Liquidus), °C | 1090 | |
1440 |
Melting Onset (Solidus), °C | 1040 | |
1400 |
Specific Heat Capacity, J/kg-K | 390 | |
480 |
Thermal Conductivity, W/m-K | 380 | |
17 |
Thermal Expansion, µm/m-K | 17 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 100 | |
2.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
2.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 31 | |
14 |
Density, g/cm3 | 9.0 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.6 | |
2.7 |
Embodied Energy, MJ/kg | 41 | |
39 |
Embodied Water, L/kg | 320 | |
130 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 29 | |
140 to 160 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 76 | |
880 to 4060 |
Stiffness to Weight: Axial, points | 7.2 | |
14 |
Stiffness to Weight: Bending, points | 18 | |
25 |
Strength to Weight: Axial, points | 6.8 | |
32 to 49 |
Strength to Weight: Bending, points | 9.0 | |
27 to 35 |
Thermal Diffusivity, mm2/s | 110 | |
4.5 |
Thermal Shock Resistance, points | 7.8 | |
30 to 46 |
Alloy Composition
Bismuth (Bi), % | 0 to 0.00050 | |
0 |
Carbon (C), % | 0 | |
0 to 0.070 |
Chromium (Cr), % | 0 | |
15 to 17 |
Copper (Cu), % | 99.95 to 99.999 | |
3.0 to 5.0 |
Iron (Fe), % | 0 | |
70.4 to 78.9 |
Lead (Pb), % | 0 to 0.0050 | |
0 |
Manganese (Mn), % | 0 | |
0 to 1.0 |
Nickel (Ni), % | 0 | |
3.0 to 5.0 |
Niobium (Nb), % | 0 | |
0.15 to 0.45 |
Phosphorus (P), % | 0.0010 to 0.0060 | |
0 to 0.040 |
Silicon (Si), % | 0 | |
0 to 1.0 |
Silver (Ag), % | 0 to 0.015 | |
0 |
Sulfur (S), % | 0 | |
0 to 0.030 |