Heat Exchanger Tubes Manufacturer & Exporter
Metinox Overseas is a renowned company in the field of manufacturing and exporting high-quality heat exchanger tubes, offering the best thermal efficiency, corrosion resistance, and durability in the most rigorous industrial applications. Our cold drawn seamless tubes are produced in both carbon steel, alloy steel, and stainless steel grades, strictly following international standards of ASTM, BS 3059, DIN 17175 and so on, which guarantees the quality to be the same on each order. Our heat exchanger tubes are used by our customers in the petrochemical, power generation, marine, and process industries, from condenser and boiler applications to super heaters, and chilling plant applications. We make tubes to specific customer requirements – we don't stock just off-the-shelf sizes – and can make them from 3.0 mm to 177 mm outer diameter, 0.5 mm to 15 mm wall thickness and up to 30 metres long. Every batch passes through rigorous quality checks, non-destructive testing, and dimensional verification before dispatch — see our quality policy and certifications. Backed by decades of metallurgical expertise and a global export network, Metinox Overseas is the dependable partner for engineers and procurement teams who cannot compromise on quality, precision, or delivery timelines.
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Table of content
Product / Service Overview
Metinox Overseas specialises in cold drawn seamless heat exchanger tubes, supplied in straight lengths as well as U-bend configurations. Our product range is broadly divided into two categories:
- Carbon Steel Cold Drawn Seamless Tubes: Manufactured for general-purpose heat transfer applications requiring reliable strength and weldability, supplied to ASTM, BS 3059 and DIN 17175 grades. See our full carbon steel pipes & tubes range.
- Alloy & Stainless Steel Cold Drawn Seamless Tubes: Engineered for high-temperature and corrosive-service applications such as petrochemical processing, power generation boilers, and marine condensers, supplied to ASTM A213, A249 and equivalent stainless grades. Explore our alloy steel tubes and stainless steel tubes ranges for full grade-wise specifications.
Heat Exchanger Tubes Specifications
| Specification | Standard | Applicable Grades |
|---|---|---|
| Carbon Steel Seamless Tubes | ASTM | A179, A192, A210 (Grade A1, C), A334 (Grade 1, 6), A556 (Grade A2, B2, C2), A106 (Grade A, B, C) |
| Carbon Steel Seamless Tubes | BS 3059 | Part I (Grade 320), Part II (Grade 360, 440), BS 3602 PT-1, CFS 360, BS-980 (CDS-1) |
| Carbon Steel Seamless Tubes | DIN 17175 | ST35.8, ST45.8, 15 MO3, 10CrMo44, 13CrMo910 |
| Alloy Steel Seamless Tubes | ASTM | A334 (Grade 3), A335 (P5, P11, P12, P22), A209 (T1, T1a), A213 (T2, T5, T9, T11, T12, T21, T22, T91), A199 (T5) |
| Alloy Steel Seamless Tubes | IS 1239 | Medium, Heavy |
| Parameter | Range |
|---|---|
| Outer Diameter (OD) | 3.0 mm to 177 mm |
| Wall Thickness | 0.5 mm to 15 mm |
| Length | Up to 30 metres |
| Form | Straight length and U-bend |
| Finish | Bright annealed / pickled / passivated (on request) |
Related reading: Bright Annealed Tubes overview, and our blog on surface roughness (Ra) & BA / AP / EP finishes explained.
Manufacturing Process & Quality Control
Our tubes are produced through a controlled cold-drawing process that refines grain structure and delivers tight dimensional accuracy, governed by our Quality Policy. Key stages include:
- Raw material selection and chemical composition verification
- Cold drawing to achieve precise OD, wall thickness and surface finish
- Heat treatment / annealing as per grade requirement
- Non-destructive testing including hydrostatic and eddy current testing
- Dimensional inspection and surface finish check
- Final packing and dispatch with complete documentation — see our Packing & Dispatch process
Certifications & Standards
Metinox Overseas manufactures heat exchanger tubes in compliance with globally recognised standards including ASTM, BS 3059, DIN 17175 and IS 1239. Products can be supplied with mill test certificates and, where required, third-party inspection agency approval. View our full Certificates and ADNOC / SABIC / KNPC / KOC approved products page.
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FAQs about Heat Exchanger Tubes
Heat exchanger tubes are manufactured by forming metal into seamless or welded tubes, followed by processes such as heat treatment, cold drawing, and finishing. They are then tested for dimensional accuracy, pressure resistance, and corrosion performance.
Heat exchanger tubes are commonly made from stainless steel, carbon steel, copper nickel, titanium, duplex steel, nickel alloys, and alloy steel. The material is selected based on operating temperature, pressure, and corrosion resistance requirements.
The two most common types of heat exchangers are shell and tube heat exchangers and plate heat exchangers. Shell and tube models are widely used in industrial applications, while plate heat exchangers are preferred for compact and high-efficiency heat transfer.
Yes, Metinox Overseas exports heat exchanger tubes to clients worldwide, with experience handling international shipping and documentation requirements.
Yes. We supply heat exchanger tubes as per customer-specific requirements, including custom dimensions, tolerances and chemical compositions.
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