Copper-Nickel Pipe Fittings Manufacturer, Supplier & Exporter in India – Mcneil Instruments
Mcneil Instruments is a trusted manufacturer, supplier, and exporter of Copper-Nickel Pipe Fittings in India, delivering high-quality, corrosion-resistant fittings designed for reliability in marine, chemical, and industrial applications. Known for their exceptional resistance to seawater, stress corrosion, and biofouling, our Copper-Nickel fittings are widely used in desalination plants, shipbuilding, and heat exchanger systems.
We offer Copper-Nickel Pipe Fittings in premium grades 304, 316, 316L, 321, and 347, each engineered to provide superior strength, corrosion resistance, and durability in challenging environments.
Copper-Nickel Grade 304 Pipe Fittings
As a leading Copper-Nickel Grade 304 Pipe Fittings manufacturer, supplier, and exporter in India, Mcneil Instruments offers fittings with excellent corrosion resistance and good formability. This grade performs exceptionally in environments with mild chemicals and moisture.
Technical Specification
| Parameter | Specification |
| Composition | Cu-Ni Alloy with Cr 18%, Ni 8% |
| Temperature Range | –196 °C to +870 °C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | 70–90 HRB |
| Standards | ASTM B366, ASME SB366 |
Key Highlights: Excellent corrosion resistance, good weldability, ideal for marine piping, condensers, and general engineering applications.
Copper-Nickel Grade 316 Pipe Fittings
Mcneil Instruments delivers Copper-Nickel Grade 316 Pipe Fittings, known for superior resistance to chlorides and saline environments. This grade offers high strength and excellent pitting and crevice corrosion resistance.
Technical Specification
| Parameter | Specification |
| Composition | Cu-Ni Alloy with Cr 16%, Ni 10%, Mo 2% |
| Temperature Range | –196 °C to +870 °C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | 80–95 HRB |
| Standards | ASTM B366, ASME SB366 |
Key Highlights: Superior resistance to saltwater corrosion, excellent mechanical strength, perfect for marine, oil & gas, and chemical processing industries.
Copper-Nickel Grade 316L Pipe Fittings
As a certified Copper-Nickel Grade 316L Pipe Fittings manufacturer and exporter, Mcneil Instruments provides low-carbon fittings that deliver enhanced weldability and corrosion protection without compromising strength.
Technical Specification
| Parameter | Specification |
| Composition | Cu-Ni Alloy with Cr 16%, Ni 10%, Mo 2%, C ≤ 0.03% |
| Temperature Range | –196 °C to +870 °C |
| Tensile Strength | ≥ 485 MPa |
| Yield Strength | ≥ 170 MPa |
| Hardness | 70–85 HRB |
| Standards | ASTM B366, ASME SB366 |
Key Highlights: Low carbon improves weld resistance, ideal for heat exchangers, marine piping, and chemical tanks.
Copper-Nickel Grade 321 Pipe Fittings
Mcneil Instruments manufactures Copper-Nickel Grade 321 Pipe Fittings stabilized with titanium, offering excellent resistance to intergranular corrosion and oxidation at high temperatures.
Technical Specification
| Parameter | Specification |
| Composition | Cu-Ni Alloy with Cr 17%, Ni 9%, Ti ≤ 0.7% |
| Temperature Range | –196 °C to +870 °C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | 80–95 HRB |
| Standards | ASTM B366, ASME SB366 |
Key Highlights: Excellent high-temperature strength, prevents carbide precipitation, suitable for exhaust manifolds, heaters, and refinery equipment.
Copper-Nickel Grade 347 Pipe Fittings
As a reputed Copper-Nickel Grade 347 Pipe Fittings supplier and exporter in India, Mcneil Instruments provides fittings stabilized with niobium (columbium) for enhanced intergranular corrosion resistance and high creep strength.
Technical Specification
| Parameter | Specification |
| Composition | Cu-Ni Alloy with Cr 17%, Ni 10%, Nb ≤ 1% |
| Temperature Range | –196 °C to +870 °C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | 80–95 HRB |
| Standards | ASTM B366, ASME SB366 |
Key Highlights: Excellent mechanical stability under heat, high resistance to stress corrosion, ideal for aerospace, petrochemical, and thermal systems.
Why Choose Mcneil Instruments for Copper-Nickel Pipe Fittings
- ISO/CE-certified manufacturing with strict PMI and inspection standards
- Precision forging and CNC machining for dimensional accuracy
- Fast global delivery with secure export packaging
- Customizable sizes, wall thicknesses, and pressure ratings
- Comprehensive test certificates and traceability reports
Applications Across Industries
- Marine & Offshore: Seawater cooling, condensers, and ballast systems
- Oil & Gas: Heat exchangers, process piping, and refineries
- Power Plants: Steam lines and condensate systems
- Chemical Processing: Acidic and saline fluid handling
- Shipbuilding: Cooling, bilge, and fire-fighting systems
Looking for high-quality Copper-Nickel Pipe Fittings in India?
Contact Mcneil Instruments today for expert guidance, competitive pricing, and global supply of reliable Grade 304, 316, 316L, 321, and 347 Copper-Nickel fittings engineered for long-lasting performance.