| Alloy Grade | Chemical Composition | ||
| National Standard | TFe2.5 | Cu | ≧97.0 |
| American Standard | C19400 | Fe | 2.1-2.6 |
| Japanese Standard | C19400 | P | 0.015-0.15 |
| Zn | 0.05-0.2 | ||
| Physical Property | ||
| Electrical Conductivity | 60 | %IACS |
| Electrical Conductance | 34.8 | MS/m |
| Thermal Conductivity | 260 | W/(m.K) |
| Coefficient of Thermal Expansion | 16.3 | 10-6/K |
| Density | 8.91 | g/cm3 |
| Modulus of Elasticity | 121 | GPa |
| Specific Heat Capacity | 0.385 | J/(g.K) |
| Poisson Ratio | 0.34 | _ |
| Mechanical properties | ||||
| Temper | Tensile Strength （MPa) |
Elongation（A11.3，%） | Vickers Hardness | |
| M | 60 | 300-380 | ≧20 | 90-110 |
| Y4 | H01 | 320-400 | ≧15 | 100-120 |
| Y2 | H02 | 365-430 | ≧6 | 115-140 |
| Y | H04 | 410-490 | ≧5 | 125-145 |
| T | H06 | 450-500 | ≧3 | 135-150 |
| TY | H08 | 480-530 | ≧2 | 140-155 |
| CTY | H10 | 500-550 | ≧2 | ≧145 |
