Overview 
Investment Castings
High-Precision Castings with Comprehensive Post-Casting Services
We are a globally trusted supplier of high-performance investment castings, designed for superior durability, wear resistance, and corrosion resistance in electrical switchgear applications. From casting to final assembly, we provide end-to-end solutions, ensuring that every component meets strict industry standards and is ready for seamless integration into your operations.Discover The NIPHA Edge
Advanced Investment Casting Techniques
- Precision Engineering: Utilising state-of-the-art investment casting methods, we produce components with intricate geometries and tight tolerances, ensuring exceptional quality and performance.
- Material Versatility: Our expertise spans a range of materials, including various steel and ductile iron grades, allowing us to cater to diverse application requirements.
Scalable Production Capacity
- Flexible Weight Range: We offer castings ranging from 100 grams to 20 kilograms, accommodating a wide spectrum of industrial needs.
- Customisable Solutions: Our production processes are designed to adapt to specific customer requirements, ensuring each component meets precise specifications.
Enhanced Mechanical Properties
- Heat Treatment Processes: All our castings undergo meticulous heat treatment to enhance mechanical properties, providing superior wear resistance, toughness, and corrosion resistance.
- Durability in Demanding Environments: Our components are engineered to withstand the rigorous conditions typical of electrical switchgear applications.
Applications In Electrical Switchgear
Our investment castings are integral to numerous components within electrical switchgear systems, including:
- Operating Mechanisms: Ensuring reliable and efficient operation of switchgear assemblies.
- Connectors and Linkages: Providing robust connections essential for system integrity.
- Gears and Gearboxes: Delivering precise motion control and power transmission.
- Housings and Enclosures: Protecting sensitive components from environmental factors.
Further Processing & Surface Treatments
Tin Plating
Improves solderability and provides corrosion resistance.
Zinc Plating
Offers protection against rust and enhances surface strength.
Silver Plating
Ensures superior electrical conductivity, ideal for switchgear applications.
E-Coating
Provides uniform coverage with enhanced resistance to wear and corrosion.
Teflon Coating
Enhances friction resistance and improves operational efficiency.
Geomet Coating®
Offers exceptional corrosion resistance without heavy metals.
Hard Chrome Plating
Increases hardness, wear resistance, and surface durability.
Products Specifications
| Material | Standard | Description |
|---|---|---|
| Steel | ASTM A148 SAE / AISI 1040, 1030 | Steel castings are used for high-stress, high-strength components such as electrical switchgear operating mechanisms and connectors. |
| DIN 17182 GS20Mn5(V) | Used in critical parts where strength, toughness, and resistance to wear are required, such as switchgear linkages and gearboxes. | |
| SCW480 | A high-strength steel alloy used for load-bearing components like electrical switchgear gears, ensuring durability under mechanical stress. | |
| Ductile Iron | GGG 40, GGG 50 | Ductile iron is known for its excellent strength, wear resistance, and shock absorption, making it ideal for switchgear housings, bushings, and terminal blocks. |
| IS 1865 Grade 400/18L, 450/12, 500/7, 400/15, 700/2 | Provides enhanced strength and durability, often used in parts like circuit breaker housings and connectors in high-voltage applications. | |
| ASTM A 536 Grade 65-45-12, 80-55-6, 60-40-18 | Ductile iron grades are ideal for producing precision components with superior mechanical properties, such as bus bars and cable lugs in switchgear systems. |
| Material | Standard | Description |
|---|---|---|
| Steel | ASTM A148 SAE / AISI 1040, 1030 | Steel castings are used for high-stress, high-strength components such as electrical switchgear operating mechanisms and connectors. |
| DIN 17182 GS20Mn5(V) | Used in critical parts where strength, toughness, and resistance to wear are required, such as switchgear linkages and gearboxes. | |
| SCW480 | A high-strength steel alloy used for load-bearing components like electrical switchgear gears, ensuring durability under mechanical stress. | |
| Ductile Iron | GGG 40, GGG 50 | Ductile iron is known for its excellent strength, wear resistance, and shock absorption, making it ideal for switchgear housings, bushings, and terminal blocks. |
| IS 1865 Grade 400/18L, 450/12, 500/7, 400/15, 700/2 | Provides enhanced strength and durability, often used in parts like circuit breaker housings and connectors in high-voltage applications. | |
| ASTM A 536 Grade 65-45-12, 80-55-6, 60-40-18 | Ductile iron grades are ideal for producing precision components with superior mechanical properties, such as bus bars and cable lugs in switchgear systems. |
Our Product Range
Why Choose NIPHA?
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Quality Assurance
We ensure superior precision and durability through rigorous testing and expert craftsmanship.
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Innovative Solutions
We pioneer cutting-edge technologies to meet evolving industry demands with unmatched expertise.
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Industry Leadership
With decades of experience, we continuously set benchmarks in quality, performance, and reliability.
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Efficiency Across Industries
Our commitment to excellence ensures products that deliver value across diverse applications.
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Customer-Centric Approach
We prioritise client satisfaction with tailored solutions and responsive support services.
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Continuous Improvement
We embrace innovation and refinement to consistently exceed customer expectations.
Related Divisions
Our specialised sections operate in unison to deliver precision-crafted investment castings.
Let’s Power the Future Together
Partner with NIPHA for investment castings that deliver precision, reliability, and performance. Contact us today to discuss your custom casting requirements.