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by Tubotech Alloys Inc
Tubotech Alloys is a leading manufacturer, supplier, and exporter of Cupro Nickel 70/30 Instrumentation Fittings in the United Kingdom, offering high-performance fittings designed for critical fluid and gas handling systems. Our Cupro Nickel 70/30 fittings are manufactured using premium-grade copper-nickel alloy containing approximately 70% copper and 30% nickel, ensuring exceptional resistance to seawater corrosion, biofouling, and stress corrosion cracking.
We provide precision-engineered Cupro Nickel 70/30 Instrumentation Fittings that meet international quality standards and are widely used across marine, offshore, shipbuilding, petrochemical, power generation, and desalination industries throughout the UK.






Tubotech Alloys offers a comprehensive range of Cupro Nickel 70/30 Instrumentation Fittings, including:
All fittings are available in various sizes, pressure ratings, and customized specifications.
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 65.0 – 71.0 |
| Nickel (Ni) | 29.0 – 33.0 |
| Iron (Fe) | 0.4 – 1.0 |
| Manganese (Mn) | 0.5 – 1.0 |
| Carbon (C) | 0.05 Max |
| Lead (Pb) | 0.02 Max |
| Zinc (Zn) | 1.0 Max |
| Property | Value |
|---|---|
| Tensile Strength | 360 MPa Min |
| Yield Strength | 125 MPa Min |
| Elongation | 30% Min |
| Hardness | 100 HRB Max |
| Density | 8.95 g/cm³ |
| Melting Range | 1170 – 1240°C |
These excellent mechanical properties make Cupro Nickel 70/30 Instrumentation Fittings in the United Kingdom ideal for demanding industrial applications.
| Specification | Details |
|---|---|
| Product Name | Cupro Nickel 70/30 Instrumentation Fittings |
| Material Grade | Copper Nickel 70/30 (UNS C71500) |
| Standard | ASTM B466, ASTM B467, ASTM B111, ASTM B122, ASME SB466, ASME SB467 |
| Type | Tube Fittings, Compression Fittings, Double Ferrule Fittings, Single Ferrule Fittings, Adapters, Connectors, Elbows, Tees, Reducers, Couplings |
| Size Range | 1/8″ NB to 2″ NB |
| Outer Diameter | 6 mm to 50 mm |
| Pressure Rating | Up to 10,000 PSI (depending on fitting type and size) |
| Thread Types | NPT, BSPT, BSPP, UNF, SAE, ISO Metric |
| End Connection | Threaded, Compression, Tube End, Weld End |
| Temperature Range | -196°C to +300°C |
| Form | Straight Connector, Union, Elbow, Tee, Cross, Reducer, Adapter |
| Manufacturing Process | CNC Machined, Forged, Precision Engineered |
| Surface Finish | Polished, Pickled, Passivated |
| Testing | Hydrostatic Test, Pneumatic Test, PMI Test, Visual Inspection, Dimensional Inspection |
| Certifications | EN 10204 3.1, Mill Test Certificate (MTC), NACE Compliance (on request) |
| Compliance Standards | ASTM, ASME, DIN, ISO, BS, ANSI |
| Packaging | Wooden Boxes, Cartons, Bubble Wrap, Export Worthy Packaging |
| Origin | Manufactured by Tubotech Alloys |
| Supply Location | United Kingdom and Worldwide |
The superior corrosion resistance and durability of Cupro Nickel 70/30 Instrumentation Fittings make them suitable for:
Used extensively in shipbuilding, naval vessels, offshore platforms, and seawater piping systems.
Ideal for hydraulic control systems, instrumentation tubing, and subsea applications.
Widely utilized in seawater intake and desalination equipment.
Used in condenser tubing systems, cooling water systems, and heat exchangers.
Suitable for transporting corrosive fluids and process instrumentation lines.
Applied in high-pressure instrumentation systems and process control networks.
Preferred for long-term corrosion resistance in saline and brackish water environments.
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
We manufacture fittings using certified Cupro Nickel 70/30 alloy sourced from trusted suppliers.
Our fittings are designed with tight tolerances to ensure leak-free and reliable performance.
Products are manufactured according to ASTM, ASME, DIN, and ISO specifications.
We maintain a wide stock of standard and customized instrumentation fittings for immediate delivery across the United Kingdom.
Tubotech Alloys offers premium-quality products at industry-leading prices.
Each fitting undergoes rigorous testing, including dimensional inspection, pressure testing, and material verification.
With years of experience serving international markets, we ensure timely and secure delivery of orders worldwide.
Tubotech Alloys is recognized as a trusted supplier of Cupro Nickel 70/30 Instrumentation Fittings in United Kingdom, delivering products that provide excellent performance in corrosive marine and industrial environments. Our commitment to quality, reliability, and customer satisfaction has made us a preferred choice among industries seeking durable instrumentation solutions.
Cupro Nickel 70/30 Instrumentation Fittings are precision-engineered fittings manufactured from a copper-nickel alloy containing 70% copper and 30% nickel, designed for high-performance fluid and gas systems.
These fittings offer exceptional resistance to seawater corrosion, biofouling, and stress corrosion cracking, making them ideal for marine and offshore environments.
Marine, offshore oil & gas, desalination, power generation, chemical processing, petrochemical, and water treatment industries commonly use these fittings.
Yes, Tubotech Alloys supplies customized Cupro Nickel 70/30 Instrumentation Fittings in various sizes, configurations, and pressure ratings.
Key benefits include superior corrosion resistance, excellent durability, high strength, long service life, leak-proof performance, and low maintenance requirements.
Upgrade your assembly with Tubotech for excellence and built to closing. Contact us nowadays to get a quote or examine more about our product range.
Tubotech delivers precision-engineered tubing, fittings, and fasteners with innovative solutions and customizable options. Trusted for quality and durability, we serve industries requiring reliable, high-performance piping and instrumentation products.
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