As a professional Super Invar 32-5 supplier and manufacturer, we specialize in the production, processing, and global supply of controlled expansion nickel-iron alloys. Super Invar 32-5 is well known for its extremely low coefficient of thermal expansion, making it an ideal material for precision applications where dimensional stability is critical. By supplying Super Invar 32-5 directly from our manufacturing and processing facilities, we provide stable quality, flexible customization, and reliable delivery for international customers.

What Is Super Invar 32-5
Super Invar 32-5 is a nickel-iron alloy with carefully controlled composition to achieve ultra-low thermal expansion over a specific temperature range. Compared with standard Invar 36, Super Invar 32-5 offers even lower expansion characteristics, making it suitable for high-precision engineering, aerospace structures, optical systems, and cryogenic equipment.
This alloy is commonly specified when minimal dimensional change under temperature fluctuation is a key design requirement.
Chemical Composition of Super Invar 32-5
As an experienced Super Invar 32-5 supplier, we strictly control alloy composition during melting and processing to ensure consistent thermal expansion performance.
| Elemento | Conteúdo típico (%) |
|---|---|
| Níquel (Ni) | 31.0 – 33.0 |
| Ferro (Fe) | Balanço |
| Cobalto (Co) | 4.0 – 6.0 |
| Carbono (C) | Max 0.02 |
| Manganês (Mn) | Max 0.50 |
| Silício (Si) | Max 0.30 |
Manufacturing and Processing Capability
As a direct Super Invar 32-5 manufacturer, we control the full production process from raw material melting to finished product inspection. Our facilities are equipped with vacuum or controlled-atmosphere melting systems to ensure precise alloy chemistry.
Processing capabilities include hot rolling, forging, cold working, solution heat treatment, stress relief annealing, precision cutting, and surface finishing. These processes ensure uniform microstructure, stable mechanical properties, and excellent dimensional consistency.
Available Product Forms
We supply Super Invar 32-5 in a wide range of product forms to meet different application needs. Standard and customized dimensions are available.
| Forma do produto | Aplicações típicas |
|---|---|
| Barra redonda / varão | Precision shafts, aerospace structures, tooling |
| Folha / placa | Optical frames, electronic housings, metrology equipment |
| Faixa | Precision components, bimetal assemblies |
| Tube / pipe | Cryogenic systems, precision support structures |
| Custom machined parts | High-accuracy mechanical and optical components |
Thermal Expansion and Performance Characteristics
The key advantage of Super Invar 32-5 is its extremely low coefficient of thermal expansion within a controlled temperature range. This property allows components to maintain dimensional accuracy even under temperature changes.
| Imóveis | Performance Description |
|---|---|
| Expansão térmica | Ultra-low expansion compared to standard Invar |
| Dimensional Stability | Excellent under temperature fluctuation |
| Resistência mecânica | Moderate strength suitable for precision structures |
| Maquinabilidade | Good with proper tooling and parameters |
Quality Control and Certification
All Super Invar 32-5 products supplied by us undergo strict quality control procedures. Chemical analysis, dimensional inspection, and mechanical testing are conducted for each production batch.
Certificados de ensaio do moinho are provided with every shipment, including chemical composition, heat treatment condition, and full material traceability, ensuring reliability for high-precision applications.
Typical Applications of Super Invar 32-5
Due to its exceptional dimensional stability, Super Invar 32-5 supplied by our factory is widely used in precision-driven industries.
Typical applications include aerospace structural components, satellite and space hardware, optical and laser systems, precision measuring equipment, semiconductor manufacturing tools, and cryogenic assemblies.
Global Supply and Supplier Advantages
As a Super Invar 32-5 supplier with export experience, we serve customers across Europe, North America, Asia, and the Middle East. We support flexible order quantities, stable lead times, and professional export packaging.
Working directly with our manufacturing team allows customers to benefit from competitive pricing, technical support, and consistent product quality.
What makes Super Invar 32-5 different from Invar 36? Super Invar 32-5 offers an even lower coefficient of thermal expansion than Invar 36, making it more suitable for ultra-precision applications.
Can you supply custom sizes of Super Invar 32-5? Yes, we provide customized dimensions, forms, and processing conditions based on customer drawings or specifications.
Do you provide material certificates with Super Invar 32-5? Yes, each shipment includes full mill test certificates with chemical composition, processing condition, and traceability information.


