Special AlloysOthers
Overview
A nickel-iron low-expansion alloy with approximately 36% nickel content,exhibiting an extremely low coefficient of thermal expansion near room temperature. Manufactured in forged ring form through hot forging and precision heat treatment, ensuring excellent dimensional stability, mechanical strength,and machinability.
Description (English)
- Ultra-low thermal expansion coefficient near room temperature - Excellent dimensional stability over a wide temperature range - Good mechanical strength and toughness - Superior weldability and machinability
Chemical Composition
| Element | Value |
|---|---|
| C | 0.05 |
| Si | 0.25 |
| P | 0.02 |
| S | 0.02 |
| Zr | 0.1 |
| Ni | 35.5-36.5 |
| Mg | 0.05 |
| Mn | 0.2-0.5 |
| Cr | 0.25 |
| Ti | 0.1 |
| Fe | - |
Mechanical Properties
| productCenter.property | Value |
|---|---|
| invar36 |
Physical Properties
| Property | Unit | Value |
|---|---|---|
| Tensile strenth | - | Min450Mpa |
| Yield strength | - | Min280Mpa |
| Elongation | - | Min35% |
Applications
- Precision measuring instruments and gauges
- Cryogenic and LNG equipment components
- Aerospace structural components
- Optical and laser system supports
- Semiconductor manufacturing equipment
- Telecommunications filter cavities
- Composite tooling and molding dies
- Scientific research equipment