ISO 9001:2015 Certified Manufacturer

Premium
Copper-Nickel Pipe Solutions

Precision-manufactured CuNi 90/10 pipes, CuNi 70/30 pipes, and CuNiFer brake line coils — engineered for marine, offshore, oil & gas, and automotive applications with exceptional corrosion resistance and long service life.

3+
Product Ranges
ISO
9001:2015 Certified
Global
Export Capability
CuNi Copper Nickel Pipes by Sunflex Metalloy
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CuNi
90/10 & 70/30
Certified
ISO 9001
:2015
Sunflex Metalloy Manufacturing Facility
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CuNi
Pipe Specialists
Why Sunflex Metalloy

Engineered for Demanding Environments

We manufacture exclusively in Copper-Nickel alloys — combining metallurgical expertise with strict process controls to deliver pipes that meet international standards and exceed expectations.

ISO 9001:2015 Certified Quality
Every batch undergoes chemical, dimensional, and mechanical testing. Full material test reports (MTR) provided with each shipment.
International Standard Compliance
Manufactured to ASTM B466, ASTM B111, DIN 86019, BS EN 12449 — accepted by global inspection agencies and classification societies.
Superior Corrosion Resistance
CuNi alloys deliver outstanding resistance to seawater corrosion, biofouling, and erosion — ideal for continuous marine and offshore service.
Custom Dimensions & Fast Delivery
Flexible production for bespoke wall thicknesses, ODs, and lengths. Responsive to urgent project timelines with minimal lead times.
Sunflex Metalloy Cuni pipes manufacturer india
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About Sunflex Metalloy

Dedicated Copper-Nickel Pipe Manufacturer

Sunflex Metalloy is a specialized manufacturer of Copper-Nickel and Copper-Nickel-Iron products, established with a singular focus on serving industries where reliability, corrosion resistance, and material integrity are non-negotiable. We supply CuNi 90/10 and CuNi 70/30 alloy pipes to marine shipbuilders, offshore platform contractors, and industrial process engineers — and CuNiFer brake line coils to the global automotive and commercial vehicle sector.

From small-bore instrumentation lines to large-diameter seawater cooling systems, and from automotive brake circuits to naval piping — every product we manufacture is produced to strict international standards, backed by our ISO 9001:2015 quality management system and complete material traceability.

ISO 9001:2015 Certified
Full Material Traceability
ASTM / DIN Compliant
MTR with Every Shipment
Third-Party Inspection
Global Export Network
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Our Products

Our Product Range

Three precision-engineered Copper-Nickel product lines — CuNi seamless pipes for marine and industrial use, and CuNiFer brake line coils for automotive braking systems — all manufactured to international standards.

CuNi 90/10 Seamless Pipe by Sunflex Metalloy
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C70600

CuNi 90/10 Seamless Pipes

Alloy: 90% Copper · 10% Nickel

The workhorse of marine and seawater piping systems. Excellent resistance to seawater corrosion, biofouling, and erosion. Widely specified in shipbuilding, desalination, and offshore platforms.

Outer Diameter
6 – 219 mm
Standard
ASTM B466 / DIN 86019
Key Applications
Shipbuilding Seawater Cooling Desalination Heat Exchangers
CuNi 70/30 Seamless Pipe by Sunflex Metalloy
CuNi 70/30 Product Photo
800 × 520 px
C71500

CuNi 70/30 Seamless Pipes

Alloy: 70% Copper · 30% Nickel

The high-performance grade for extreme environments. Superior strength, higher erosion-corrosion resistance at elevated flow velocities — the preferred choice for critical offshore and naval applications.

Outer Diameter
6 – 168 mm
Standard
ASTM B466 / ASTM B111
Key Applications
Offshore Platforms Naval Vessels Condenser Tubes Power Generation
CuNi 70/30 Seamless Pipe by Sunflex Metalloy
CuNiFer Coil Product Photo
800 × 520 px
Cu90/Ni6/Fe4

CuNiFer Brake Line Coils

Alloy: 90% Copper · 6% Nickel · 4% Iron

Premium Copper-Nickel-Iron seamless brake tube coils for automotive and commercial vehicle hydraulic braking systems — superior corrosion resistance vs Bundy steel, burst pressure 700+ bar.

OD Range
3.18 – 12.7 mm
Standard
ISO 4038 / DIN 74234
Key Applications
Passenger Cars HGV Trucks Off-Highway Defence Vehicles
Compliance & Testing Standards
ASTM B466
Seamless CuNi Pipe & Tube
ASTM B111
CuNi Condenser & Heat Exchanger Tubes
DIN 86019
CuNi 90/10 Marine Grade Pipes
DIN 17664
CuNiFer Automotive Brake Tube
CuNi30Mn1Fe
CuNiFer Brake Line Coil Standard
BS EN 12449
Copper Alloy Seamless Round Tubes
EEMUA 144
CuNi Pipes & Tubes Standard
JIS H3300
Copper Alloy Seamless Round Tubes
Industries We Serve

Trusted Across Critical Industries

Our CuNi pipes are deployed in the world's most demanding service environments — wherever corrosion resistance, reliability, and long service life are paramount.

Marine & Shipbuilding
Seawater pipelines, fire-main systems, ballast lines, hull cooling, and deck piping for naval and commercial vessels.
Offshore & Oil Platforms
Subsea cooling, process piping, instrumentation, and firewater systems on FPSOs and fixed offshore structures.
Oil & Gas Refineries
Process fluid handling, cooling water circuits, heat exchanger tubes, and high-pressure utility lines in refineries.
Desalination Plants
MSF and RO plant piping — where resistance to hot, concentrated brine and seawater is critical for long service life.
Power Generation
Condenser tubes, steam surface condensers, and cooling water systems in coastal and offshore power plants.
Defence & Naval
Torpedo tubes, submarine piping, aircraft carrier seawater systems — applications demanding the highest material integrity.
Certifications

Quality You Can Trust

Our manufacturing processes and quality systems are validated by internationally recognized certification bodies — giving you full confidence in every pipe we deliver.

ISO 9001:2015 Certificate — Sunflex Metalloy
ISO 9001:2015
Quality Management System — Manufacturing of Copper-Nickel Seamless Pipes
ISO 9001: 2015 Certified
Material Test Certificate — Sunflex Metalloy
ISO 45001: 2018
Quality Management System — Manufacturing of Copper-Nickel Pipes
ISO 45001: 2018 Certified
Industry Compliance Certificate — Sunflex Metalloy
MSME Certificate
Regulatory and industry-specific compliance certification for global export and supply
MSME CERTIFIED
Get In Touch

Request a Quote or Enquiry

Our team responds within 24 hours. Send us your requirements and we'll provide a competitive quote with full technical details.

Phone / WhatsApp
Address
Survey No.2160, Plot No.17, Parshva Industrial Park Rd, behind New GIDC Road, Devdham, Dehri, Umargam, Gujarat 396171
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