Metinox Overseas offers seamless, welded, instrumentation, heat-exchanger, U-bend stainless steel tubes 304/304L and 316/316L, duplex steel pipes 2205, and super duplex steel tubes 2507 as well as nickel alloy tubing like Inconel 625. If you're supplying tubing into a project that is associated with ADNOC, you will need to complete a bar that most local suppliers do not have to clear: The material has to be sourced from a manufacturer listed on ADNOC's Approved Vendor Database and document has to pass EPC and 3rd party audits against ADNOC-COP engineering standards. Manufactured and exported to the ASTM, ASME, DIN, API standards, Metinox Overseas produces and exports tubes to withstand that scrutiny seamless and welded stainless steel, duplex, super duplex, nickel alloy and carbon steel tubes, with full mill test certificates in accordance with EN 10204 3.1/3.2 or by request with PMI/hydrostatic testing. With three generations of metallurgical knowledge and an ISO 9001 quality system, we are able to provide instrumentation, process and heat exchanger tubing that are already used by EPC contractors, the MEP consultants and procurement teams that have mastered compliance in the build-out of Abu Dhabi's oil, gas and petrochemical industry. Whether it's customisation that is required based on size or thickness of the walls, to be able to pass an audit before delivery, whether it be export documentation, third party inspection co-ordination, or delivery on time from our stock points in Mumbai, Kalamboli or Taloja, every tube that we ship is engineered to meet the audit requirements before it arrives at your worksite.
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Table of content
What Does “ADNOC Approved” Mean?
A genuinely informative explainer — the section the competitor page skips entirely, and where featured-snippet and topical-authority signals are won.
- Definition: being on ADNOC's Approved Vendor Database (AVD) means a manufacturer's quality system, material traceability, and testing protocols have been vetted against ADNOC-COP (Company Operating Procedures) and referenced international standards for use on ADNOC and Group Company projects.
- Why it matters: ADNOC-linked EPC contractors and procurement teams are frequently contracted to source only from AVD-listed or ADNOC-compliant manufacturers, and many tenders additionally require In-Country Value (ICV) certified supply-chain partners — reducing project risk and audit failure for the end client.
- How Metinox supplies to this standard: raw material sourced from traceable, certified mills; production controlled to the ASTM/ASME/DIN specifications ADNOC-COP references; full documentation package (MTC, PMI reports, hydro test certificates, dimensional reports) issued with every shipment; third-party inspection (TPI) coordination available on request (SGS, Bureau Veritas, TUV, Lloyd's) to support UAE project handover requirements.
Technical Specifications
| Parameter | Specification |
|---|---|
Outer Diameter (OD) | 1/8″ to 4″ (3.17 mm – 101.6 mm) |
Wall Thickness | 0.5 mm – 12 mm (custom on request) |
Form | Seamless & Welded (ERW) |
Length | Single random, double random, or cut-to-length |
Finish | Bright annealed, pickled & passivated, polished |
End Finish | Plain end, beveled end, threaded |
Pressure Rating | Up to 20,000 PSI depending on grade & schedule |
Applicable Standards | ASTM A213 / A249 / A269 / A312 / A554, ASME SA213/SA269, DIN 2462, API 5L, referenced per ADNOC-COP |
Testing | Hydrostatic, PMI, IGC, eddy current, ultrasonic (on request) |
Certification | EN 10204 Type 3.1 / 3.2 Mill Test Certificate |
Packing | Wooden crates / bundles with anti-corrosion VCI wrap and end caps |
Manufacturing & Quality Assurance Process
- Raw Material Sourcing — certified mills across India, Europe, Japan, Korea & China with verifiable Mill Test Certificates.
- Incoming Material Inspection — chemical composition (PMI) and dimensional verification before production.
- Production — seamless/welded tube manufacturing under controlled process parameters.
- In-Process & Final Testing — hydrostatic test, eddy current/ultrasonic testing, IGC test where applicable.
- Documentation — EN 10204 3.1/3.2 MTC, dimensional report, test certificates compiled per shipment, mapped to ADNOC-COP requirements.
- Packing & Dispatch — anti-corrosion wrapping, wooden crating, and export documentation for UAE-bound freight.
Applications & Industries
- Oil & Gas Upstream, Midstream and Downstream (Abu Dhabi & UAE projects)
- Petrochemical & Refinery Process Piping
- Instrumentation & Control Panel Tubing
- Heat Exchangers, Condensers & Boilers
- Gas Processing & LNG Facilities
- Power Generation & Desalination Plants
- Marine, Offshore & Shipbuilding
- Chemical & Fertilizer Processing Plants
Certifications & Standards
- ISO 9001:2015 Quality Management Certification
- Manufactured to ASTM, ASME, DIN, EN, JIS, BS specifications referenced by ADNOC-COP
- EN 10204 Type 3.1 / 3.2 Mill Test Certificates
- Third-party inspection coordination — SGS, Bureau Veritas, TUV, Lloyd's Register
- Full heat and batch traceability documentation, supporting ICV-certified UAE partners
FAQs
An ADNOC approved tube is tubing manufactured by a supplier listed on ADNOC's Approved Vendor Database (AVD), meaning the manufacturer's material, production process, and quality documentation have been vetted against ADNOC-COP engineering standards for use on ADNOC and Group Company projects.
We supply 304/304L, 316/316L, 321, duplex 2205, super duplex 2507, nickel alloys (Inconel, Monel, Hastelloy), and carbon/alloy steel tubes manufactured to ASTM, ASME, DIN, and API standards, in seamless and welded construction.
Every order ships with an EN 10204 Type 3.1 or 3.2 mill test certificate, dimensional inspection report, and hydrostatic/PMI test reports where applicable. Third-party inspection (SGS, Bureau Veritas, TUV, Lloyd's) can be arranged on request.
We work with UAE-based ICV-certified partners and distributors and can supply full traceability and documentation to support their ICV compliance requirements on ADNOC-linked tenders.
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