Overview 
Ductile & Grey Iron Castings
Precision-Engineered for Electrical Switchgear Applications
We specialise in delivering premium-grade ductile and grey iron castings for low, medium, and high voltage switchgear applications, ensuring optimal performance and durability. Our comprehensive solutions ensure that you receive components that are not only precision-engineered but also ready to integrate into your systems, enhancing both performance and reliability.Discover The NIPHA Edge
High Production Capacity
With a robust production capacity of 800 tons per month across our Green Sand and No-Bake Lines, we guarantee a consistent and timely supply of superior castings to meet your diverse application requirements.
Versatile Weight Range
Our castings are available in a weight range from 0.45 kg to 500 kg, addressing a wide variety of application needs.
Diverse Material Expertise
Our castings are crafted from high-grade ductile, grey iron, and various grades of steel ensuring superior strength, wear resistance, and extended service life for switchgear components.
Comprehensive Manufacturing & Assembly Solutions
Our integrated approach ensures that you receive castings as-cast, semi-machined, or fully machined, providing flexibility for your specific assembly requirements.
- Machined Castings with Tight Tolerances
Ensuring superior quality and precision for critical components. - Complete Sub-Assemblies & Gearboxes
Providing end-to-end solutions for complex assemblies. - Ready-to-Install Assemblies
Delivering components that seamlessly integrate into your operations.
Global Reach & Strong Local Support
NIPHA’s electrical switchgear components are trusted worldwide, with exports spanning North America, Europe, Australia, Africa, and Southeast Asia. Our strategic warehousing facilities in the U.S. ensure timely delivery and local support for our global customers.
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 Type | Grade | Description & Usage in Electrical Switchgear |
|---|---|---|
| Grey Iron & Malleable Iron | FG 200, FG 260, FG 250 | Commonly used for castings requiring good wear resistance and machinability, such as housing and enclosures in electrical switchgear. |
| ASTM A 352-80 IllA | Used in applications requiring high strength and corrosion resistance, ideal for structural components in electrical equipment. | |
| 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. | |
| 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. | |
| Alloy Cast Iron | Special Grades 600/10, 500/14 | These grades are used for specialised components like high-performance switchgear housings and heat exchangers, providing excellent heat and corrosion resistance. |
| Austempered Grades | G24 Mn6 + QT1, G24 Mn6 + QT2 | These grades offer high strength and toughness, making them ideal for electrical switchgear components that undergo high mechanical stresses. |
| Low Alloy Steel Grades | EN 19, EN 24 | These steel grades are used in precision parts like switchgear shafts, supports, and linkages, providing high tensile strength and fatigue resistance. |
| Material Type | Grade | Description & Usage in Electrical Switchgear |
|---|---|---|
| Grey Iron & Malleable Iron | FG 200, FG 260, FG 250 | Commonly used for castings requiring good wear resistance and machinability, such as housing and enclosures in electrical switchgear. |
| ASTM A 352-80 IllA | Used in applications requiring high strength and corrosion resistance, ideal for structural components in electrical equipment. | |
| 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. | |
| 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. | |
| Alloy Cast Iron | Special Grades 600/10, 500/14 | These grades are used for specialised components like high-performance switchgear housings and heat exchangers, providing excellent heat and corrosion resistance. |
| Austempered Grades | G24 Mn6 + QT1, G24 Mn6 + QT2 | These grades offer high strength and toughness, making them ideal for electrical switchgear components that undergo high mechanical stresses. |
| Low Alloy Steel Grades | EN 19, EN 24 | These steel grades are used in precision parts like switchgear shafts, supports, and linkages, providing high tensile strength and fatigue resistance. |
Our Product Range
Why Choose Nipha?
-
Uncompromising Quality
Every component undergoes stringent quality checks and testing at multiple stages to ensure superior durability, wear resistance, and corrosion resistance.
-
Innovative Solutions
We push boundaries with cutting-edge manufacturing technologies for the evolving electrical switchgear industry.
-
Industry Leadership
Decades of expertise, global reach, and a commitment to excellence make us a trusted name in the sector.
-
Efficiency Across Industries
Our products are engineered to enhance performance across diverse applications.
-
Customer-Centric Approach
Tailored solutions and responsive support ensure we exceed client expectations.
Related Divisions
Our state-of-the-art divisions for electrical switchgears ensure unmatched quality, precision, and efficiency:
Let’s Power the Future Together
Partner with NIPHA for electrical switchgear solutions that offer quality, consistency, and performance. Contact us today to discuss your requirements and discover how we can support your success.