Search for the LEX® you need
Search by operating temperature
Search by coefficient of thermal expansion
Search by type of purchase
Search by application
Various sizes and materials
to meet all needs
- Applications
- Semiconductors, optical parts, etc.
- Form of delivery
- Cast products, forged products (block shape)
- Material properties (example of measurement)
-
Classification:
Low carbon LEXProperties:
Super Invar (equivalent),
extremely low thermal expansion, forgeable
| Average coefficient of thermal expansion x ppm/℃ (10 to 40℃) | ≦0.8 | Expansion (%) | 30 |
| Lower limit of application temperature (℃) | -50 | Hardness (HB) | 133 |
| 0.2% yield strength (N/mm2) | 277 | Young’s modulus (GPa) | 128 |
| Tensile strength (N/mm2) | 372 | Thermal conductivity W（/ m・K) | 13.1 |
| Average coefficient of thermal expansion x ppm/℃ (10 to 40℃) | ≦0.8 |
| Expansion (%) | 30 |
| Lower limit of application temperature (℃) | -50 |
| Hardness (HB) | 133 |
| 0.2% yield strength (N/mm2) | 277 |
| Young’s modulus (GPa) |
128 |
| Tensile strength (N/mm2) | 372 |
| Thermal conductivity W（/ m・K) | 13.1 |
- *The above physical property values are for cast products.
- *Data other than the average coefficient of thermal expansion are examples of measurements and are not guaranteed.
- *Young’s modulus is measured using the bending resonance method.
- *Contents are subject to change without notice.
- Applications
- Semiconductor-related manufacturing equipment, etc.
- Form of delivery
- Forged products
- Material properties (example of measurement)
-
Classification:
High-carbon LEXProperties:
Optimum low thermal expansion coefficient can be selected from a range of 1×ppm/℃ or less or 1 to 6×ppm/℃, castability and machinability
| Average coefficient of thermal expansion x ppm/℃ (10 to 40℃) | ≦1.0 | Expansion (%) | 15 |
| Lower limit of application temperature (℃) | 0 | Hardness (HB) | 145 |
| 0.2% yield strength (N/mm2) | 300 | Young’s modulus (GPa) | 145 |
| Tensile strength (N/mm2) | 470 | Thermal conductivity W（/ m・K) | 13.5 |
| Average coefficient of thermal expansion x ppm/℃ (10 to 40℃) | ≦1.0 |
| Expansion (%) | 15 |
| Lower limit of application temperature (℃) | 0 |
| Hardness (HB) | 145 |
| 0.2% yield strength (N/mm2) | 300 |
| Young’s modulus (GPa) |
130 |
| Tensile strength (N/mm2) | 470 |
| Thermal conductivity W（/ m・K) | 13.5 |
- *Data other than the average coefficient of thermal expansion are examples of measurements and are not guaranteed.
- *Young’s modulus is measured using the ultrasonic pulse method.
- *Contents are subject to change without notice.
