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High-pressure and low-medium pressure hydraulic tubes manufactured under IBR & PED certification — engineered for steam generation, superheaters, reheaters, economizers and water walls.
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Seamless boiler pipes and tubes
OVERVIEW
Boiler tubes form the heart of any steam-generating system — from supercritical thermal power plants to industrial process heaters. The performance demands are unforgiving: sustained high temperatures, cyclical pressure loads and creep resistance over decades.Our hydraulic tubes are produced through both Hot Finished Seamless (HFS) and Cold Drawn Seamless (CDS) routes, with full traceability from billet to finished tube. Every tube is hydrostatically tested up to 5,000 PSI and inspected through Eddy Current and Ultrasonic NDT before dispatch.
✓ IBR & PED 2014/68/EU certified for boiler service
✓ Suitable up to 600°C operating temperature (P91/T91)
✓ Bright annealing furnace for optimised microstructure
✓ 100% NDT — Hydrostatic, Eddy Current, Ultrasonic
✓ Mill Test Certificate to EN 10204 3.1 / 3.2
Seamless boiler pipe application DIMENSIONAL SPECIFICATIONS
| Outside Diameter (OD) | Wall Thickness (WT) | Length | Tolerance |
|---|---|---|---|
| 10.00–25.40 mm | 0.89–4.00 mm | up to 12.8 m | ±0.10 mm / ±10% |
| 25.40–50.80 mm | 1.50–8.00 mm | up to 12.8 m | ±0.15 mm / ±10% |
| 50.80–101.60 mm | 2.00–12.00 mm | up to 12.8 m | ±0.20 mm / ±10% |
| 101.60–168.30 mm | 3.00–14.00 mm | up to 12.8 m | ±0.25 mm / ±10% |
| Outside Diameter (OD) | Wall Thickness (WT) | Length | Tolerance |
|---|---|---|---|
| 26.70–60.30 mm | 3.00–8.00 mm | up to 12.8 m | ±1% / ±12.5% |
| 60.30–88.90 mm | 4.00–15.00 mm | up to 12.8 m | ±1% / ±12.5% |
Back to top ↑ APPLICATIONS & INDUSTRIES
Water walls, superheaters, reheaters, and economizers in coal, gas, and biomass power stations.
Process heaters, distillation columns, and heat recovery systems in petroleum refining.
Ethylene crackers, ammonia plants, and methanol reactors requiring high-temp tube integrity.
Fired heaters, furnace coils, and thermal oxidisers across process industries. Back to top ↑ MATERIAL GRADES
CARBON STEEL
For low-medium pressure boilers, economizers and superheaters up to ~450°C operating temperature.
View ASTM A179 spec →
LOW-ALLOY STEEL
Chrome-moly grades for elevated temperature service up to ~580°C — superheater & reheater tubes.
View ASTM A335 spec →
HIGH-ALLOY STEEL
9Cr-1Mo-V martensitic for supercritical/ultra-supercritical units up to ~620°C operating temperature.
View ASTM A213 spec →
Back to top ↑ TECHNICAL ARTICLES
ARTICLE
Metallurgy, manufacturing requirements, and typical service conditions for modified 9Cr-1Mo alloy tubes.
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ARTICLE
Dimensional ranges, tolerances, surface finish, and when to specify Cold Drawn vs Hot Finished.
Read article →
ARTICLE
What IBR covers, which grades qualify, and why it matters for your thermal power or refinery project.
Read article →
Back to top ↑ RELATED PRODUCTS
RELATED
ASTM A179, A192, A213. Optimised for thermal transfer in process heat exchangers.
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RELATED
ASTM A335, A213 — chrome-moly grades for high-temperature service.
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RELATED
GB 9948-1988 — refinery furnace tubes for similar high-temp service.
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Back to top ↑ GET A QUOTE
OD, WT, length, grade, quantity, MTC requirement — that’s all we need to send you a technical & commercial proposal.
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