Copper Alloy Flanges Manufacturer, Supplier & Stockist in Mumbai, India
Copper alloy flanges are widely used in piping systems where excellent corrosion resistance, high thermal conductivity, durability, and long service life are essential. We are a trusted Copper Alloy Flange Supplier, Copper Flange Stockist, and Copper Flange Manufacturer in Mumbai, India, offering precision-engineered copper alloy flanges for marine, power generation, desalination, offshore, petrochemical, shipbuilding, HVAC, and industrial piping applications.
Our manufacturing range includes Copper Alloy Weld Neck Flange, Copper Alloy SO Flanges, Copper Blind Flanges, Copper Alloy Raised Face Flanges, Copper Alloy BLRF Flange, Blind Copper Flange, and C10200 Copper Flange in various pressure classes, dimensions, and international standards. We also manufacture Cupro Nickel Flanges, Copper Nickel Flanges, and Cu-Ni Pipe Flanges for demanding seawater and chemical processing applications.
Each flange undergoes strict quality inspections, dimensional verification, pressure testing, and material traceability to ensure reliable performance even in harsh operating environments.
What Are Copper Alloy Flanges?
Copper alloy flanges are pipe connection components manufactured from copper-based alloys to join pipes, valves, pumps, and equipment safely. They provide outstanding resistance to seawater corrosion, biofouling, oxidation, and high-temperature environments. Common types include weld neck, slip-on, blind, raised face, socket weld, threaded, and lap joint copper industrial flanges used in marine, offshore, power plants, chemical processing, HVAC, and industrial piping systems.
As an experienced copper alloy flanges manufacturer, we understand that flange performance directly affects pipeline reliability and plant safety. Every project demands accurate dimensions, proper metallurgy, leak-proof sealing surfaces, and compliance with international standards.
Our forged copper flanges are manufactured using premium-quality raw materials sourced from approved mills and are produced with advanced machining technology to maintain precise tolerances and superior surface finishes. Whether your requirement is for standard piping systems or highly corrosive marine environments, we offer reliable flange solutions that meet both domestic and international project specifications.
Types of Copper Alloy Flanges We Supply
Copper Alloy Weld Neck Flange
The Copper Alloy Weld Neck Flange features a long tapered hub that distributes stress evenly throughout the piping system. It is widely selected for high-pressure, high-temperature, and cyclic loading applications because of its superior structural strength. Common applications include chemical plants, marine piping, oil & gas facilities, steam systems, and power plants.
Copper Alloy SO Flanges
Copper Alloy SO Flanges (Slip-On Flanges), also known as Copper Slip On Flanges, are easy to install and cost-effective for low to medium-pressure piping systems. The pipe slides into the flange before welding, simplifying alignment during installation. Benefits include easy fabrication, lower installation cost, excellent alignment, and suitability for utility piping.
Copper Blind Flanges
A Copper Blind Flange, sometimes referred to as a Copper Blind Pipe Flange, is used to seal the end of a pipeline or pressure vessel opening. It allows future system expansion while providing secure closure during maintenance and testing. Typical uses include pipeline isolation, pressure testing, equipment maintenance, and future pipeline expansion.
Copper Alloy Raised Face Flanges
Copper Alloy Raised Face Flanges, also known in the industry as Copper RF Flanges, feature a raised gasket seating surface that improves sealing performance under internal pressure. Raised face designs are among the most commonly specified flange types worldwide, offering better gasket compression, leak-resistant joints, reliable pressure sealing, and longer service life.
Copper Alloy BLRF Flange
The Copper Alloy BLRF Flange combines the functionality of a blind flange with a raised face sealing surface, making it suitable for critical sealing applications in industrial piping systems.
C10200 Copper Flange
The C10200 Copper Flange is manufactured using high-purity oxygen-free copper, offering exceptional electrical conductivity, thermal conductivity, and corrosion resistance. Industries using C10200 flanges include electrical industries, heat exchangers, vacuum systems, cryogenic piping, and semiconductor manufacturing.
Cupro Nickel Flanges & Copper Nickel Flanges
We also manufacture premium-quality Cupro Nickel Flanges, Copper Nickel Flanges, and Cu-Ni Pipe Flanges, including Cupro Nickel Forged Flanges and Copper Nickel Pipe Flanges, designed specifically for seawater applications.
Copper-nickel alloys are known for outstanding seawater corrosion resistance, anti-biofouling properties, excellent resistance to chloride attack, high mechanical strength, and long operational life. Common grades include 90/10 Copper Nickel and 70/30 Copper Nickel. Applications include shipbuilding, offshore platforms, desalination plants, heat exchangers, condensers, and marine piping systems — making these among the most reliable copper flanges for marine applications and copper flanges for heat exchangers available today.
Properties of Copper Alloy Flanges
The popularity of Corrosion Resistant Copper Flanges stems from their remarkable properties, which make them ideal for use in challenging environments. Some of the key properties include:
- Corrosion Resistance: Copper alloys are naturally resistant to corrosion, making these flanges ideal for use in harsh marine and chemical environments where exposure to moisture, chemicals, or saltwater is common. This property extends the service life of the flanges, reducing the need for frequent replacements.
- High Thermal and Electrical Conductivity: Copper alloy flanges possess excellent thermal and electrical conductivity, making them suitable for applications that require efficient heat and energy transfer, particularly in heat exchangers, condensers, and power generation equipment.
- Mechanical Strength: The combination of copper with other metals enhances the mechanical strength of the alloy, providing flanges with superior tensile strength and durability so they withstand high pressure and stress without deforming or failing.
- Easy Fabrication and Weldability: Copper alloys are known for their malleability, ductility, and excellent weldability, allowing the flanges to be easily formed and joined into various shapes and sizes without compromising structural integrity.
- Anti-Biofouling and Anti-Microbial Properties: Copper alloys have inherent anti-biofouling and anti-microbial properties, making them suitable for seawater systems as well as hygiene-sensitive applications such as food processing and pharmaceutical plants.
Features of Copper Alloy Flanges
Our Copper Alloy Pipe Flanges are preferred by EPC contractors, OEMs, exporters, and industrial buyers for several key advantages that contribute to the efficiency, safety, and longevity of piping systems. Some of the key advantages include:
- Longevity: The corrosion resistance and durability of copper alloy flanges ensure a long service life, reducing maintenance costs and downtime associated with flange failure.
- Versatility: Copper alloy flanges, including our Copper ANSI Flanges and ASME Copper Flanges, are suitable for a wide range of applications thanks to their ability to withstand extreme temperatures, high pressures, and corrosive environments.
- High Dimensional Accuracy: Precision CNC machining ensures leak-proof sealing and consistent dimensional accuracy across every batch we deliver.
- Low Maintenance: Copper is a recyclable material, and using our flanges supports sustainability efforts while reducing long-term maintenance requirements.
- Customizability: As a leading Copper Flange Manufacturer, we offer custom-engineered copper alloy flanges tailored to your specific needs, ensuring you get the perfect solution for your unique application.
Schedule and Size Chart
| Nominal Pipe Size (NPS) | Outside Diameter (OD) | Flange Thickness | Bolt Circle Diameter | Number of Bolts | Bolt Size | Schedule |
| 1/2″ | 21.3 mm | 12.7 mm | 60.3 mm | 4 | 1/2″ x 1-1/4″ | 40 |
| 3/4″ | 26.7 mm | 14.3 mm | 69.8 mm | 4 | 1/2″ x 1-1/4″ | 40 |
| 1″ | 33.4 mm | 15.9 mm | 79.4 mm | 4 | 1/2″ x 1-1/2″ | 40 |
| 1-1/2″ | 48.3 mm | 17.5 mm | 98.4 mm | 4 | 1/2″ x 1-3/4″ | 40 |
| 2″ | 60.3 mm | 19.1 mm | 120.7 mm | 4 | 5/8″ x 2″ | 40 |
| 3″ | 88.9 mm | 20.6 mm | 152.4 mm | 4 | 5/8″ x 2″ | 40 |
| 4″ | 114.3 mm | 22.2 mm | 190.5 mm | 8 | 5/8″ x 2-1/4″ | 40 |
| 6″ | 168.3 mm | 23.8 mm | 241.3 mm | 8 | 3/4″ x 2-1/2″ | 40 |
Copper Alloy Flange Specifications
| Specification | Details |
| Material | Copper Alloys, C10200, Copper Nickel, Cupro Nickel |
| Standards | ASTM, ASME, ANSI, DIN, EN, BS, JIS |
| Size Range | ½” NB to 48″ NB |
| Pressure Ratings | Class 150 to Class 2500 |
| Facing | Raised Face (RF), Flat Face (FF), RTJ |
| Manufacturing | Forged & Machined |
| Finish | CNC Machined |
| Testing | PMI, Hydro Test, Visual Inspection, Dimensional Inspection |
| Certifications | Mill Test Certificate (MTC EN 10204 3.1), Third Party Inspection |
Chemical Composition Chart
| Element | Typical Composition (%) |
| Copper (Cu) | 60 – 85% |
| Zinc (Zn) | 10 – 40% |
| Tin (Sn) | 1 – 5% |
| Lead (Pb) | <0.1% |
| Iron (Fe) | <0.5% |
| Nickel (Ni) | 1 – 5% |
| Aluminum (Al) | <1% |
| Manganese (Mn) | <1% |
| Phosphorus (P) | <0.1% |
Physical Properties Chart
| Property | Typical Value | Unit |
| Density | 8.5 – 8.9 | g/cm³ |
| Melting Point | 950 – 1083 | °C |
| Thermal Conductivity | 120 – 150 | W/m·K |
| Electrical Conductivity | 40 – 60% IACS | % IACS |
| Coefficient of Thermal Expansion | 17 – 18 | µm/m·°C |
Application Chart
| Industry | Application |
| Marine & Shipbuilding | Shipbuilding, Offshore platforms, Marine piping systems |
| Oil and Gas / Petrochemical | Pipeline systems, Offshore platforms, Pressure vessels |
| Chemical Processing | Acid and alkali handling, Heat exchangers, Reactors |
| Power Generation | Boilers, Turbines, Cooling systems |
| Desalination | Desalination plants, Condensers, Seawater piping |
| Food and Pharmaceutical | Sanitary piping systems, Food processing, Pharmaceutical plants |
| Water Treatment | Potable water systems, Wastewater treatment |
| HVAC & Fire Protection | Refrigeration systems, Heating systems, Fire protection systems |
| Electronics | Electrical connectors, Heat sinks, Circuit board supports |
Why Choose Our Copper Alloy Flanges?
Selecting the right Copper Flange Supplier India trusts is just as important as selecting the right material. Our team works closely with EPC contractors, OEMs, exporters, and industrial buyers to deliver flanges that meet stringent project requirements. Here’s why customers choose us:
- Large Ready Stock: As an established Copper Flange Exporter, we maintain extensive ready stock to support fast project turnaround.
- Quality Assurance: We adhere to strict quality control measures at every stage of manufacturing, including PMI, dimensional inspection, hydrostatic testing, and Mill Test Certificates (MTC EN 10204 3.1).
- Competitive Pricing: We offer our copper alloy flanges at competitive prices without compromising on quality, providing you with the best value for your investment.
- Global Shipping Support: With a global network, we ensure timely delivery and excellent customer service to clients around the world.
- Custom Manufacturing: Whether you need a specific size, shape, or alloy composition, we deliver Copper Alloy Forged Components that fit your exact specifications.
- Technical Assistance: Our dedicated team is always available to assist you with product selection, third-party inspection coordination, and after-sales service.
Copper alloy flanges are a versatile and reliable choice for a wide range of industrial applications. With their exceptional properties, including corrosion resistance, high thermal conductivity, and mechanical strength, they offer numerous advantages that contribute to the efficiency and longevity of your piping systems.
Quality Assurance
Quality is maintained throughout every stage of manufacturing. Our inspection process includes raw material verification, Positive Material Identification (PMI), dimensional inspection, surface finish inspection, visual inspection, hydrostatic testing (where applicable), hardness testing, third-party inspection, and Mill Test Certificates. This systematic quality approach helps ensure every flange delivered meets customer expectations and applicable international standards.
Whether you require standard Copper Alloy Weld Neck Flange, Copper Alloy Raised Face Flanges, Copper Alloy SO Flanges, Copper Blind Flanges, Blind Copper Flange, Copper Alloy BLRF Flange, C10200 Copper Flange, or custom-engineered Cupro Nickel Flanges, our team at ASC LLP is ready to support your project with dependable products, technical expertise, and timely deliveries. Contact us today to discuss your project requirements or request a quotation.
Global Reach
ASC LLP boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. As a trusted Copper Flange Exporter, our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality Copper Alloy Flanges. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global copper flange market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
