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Sumer Metal Industries Private Limited manufactures premium Inconel 718 boiler tubes engineered for high-temperature service and severe corrosive environments. Our production uses fully traceable raw material (UNS N07718) and tight process controls — from melting (VIM/VAR where required) through hot extrusion, cold drawing and final heat treatment — so every tube meets international quality norms for chemical composition, mechanical strength and dimensional accuracy.
Our Inconel 718 tubes are widely specified in power generation, petrochemical heaters, reheaters, steam piping and process heaters where creep, tensile strength and oxidation resistance to ~650°C (≈1200°F–1300°F service range depending on application) are needed. The alloy’s precipitation strengthening (γ′/γ″ phases) provides an excellent combination of high yield strength, good ductility and weldability for fabricated boiler systems
Sumer Metal supplies both seamless and welded Inconel 718 tubes in standard and custom sizes. We manufacture to common international specs and test standards (material certification EN/ASTM/ASME / AMS as applicable) and provide Mill Test Certificates (MTC), PMI/chemical reports, mechanical test certificates and NDT (PT/UT/BH) on request to satisfy buyer quality systems and project procurement requirements.
We export Inconel 718 boiler tubes to Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, the USA, Canada and multiple regions across Africa. Exports are prepared with export-grade packing, customs paperwork and logistics handling for safe sea/air shipments; we also support project schedules and drop-ship deliveries to EPC contractors, stockists and end-users. (Countries repeated in your brief are covered in our standard export portfolio.)
Specification of Inconel 718 Boiler tubes
| Grade | Inconel 718 |
| UNS Number | N07718 |
| W.Nr. Designation | 2.4668 |
| Standards | ASTM B163 / B516 / B670, ASME SB163 / SB516 / SB670, AMS 5662 / 5663 |
| Product Forms | Seamless Tubes, Welded Tubes, U-Tubes, Coil Tubes |
| Outer Diameter Range | 6 mm – 273 mm (1/4” – 10” nominal) |
| Wall Thickness | 0.5 mm – 20 mm |
| Length | Up to 6 meters (Custom cut-to-length available) |
| Heat Treatment | Solution Annealed + Precipitation Hardened (Age Hardened) |
| End Finishes | Plain End, Beveled End, Threaded (as per requirement) |
| Applications | Boilers, Superheaters, Petrochemical Heaters, HRSG, Power Generation |
Typical specifications offered include UNS N07718 / W.Nr. 2.4668 material, solution annealed + precipitation heat treatment (where required), and product forms include plain tubes, U-tubes, and fabricated coil sections. Our QA team enforces dimensional tolerances and traceability to recognized standards to ensure fit and interchangeability with existing boiler components.
Chemical Composition of Inconel 718 Boiler tubes
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 50.0 | 55.0 |
| Chromium (Cr) | 17.0 | 21.0 |
| Iron (Fe) | Bal. | — |
| Niobium + Tantalum (Nb + Ta) | 4.75 | 5.50 |
| Molybdenum (Mo) | 2.80 | 3.30 |
| Titanium (Ti) | 0.65 | 1.15 |
| Aluminium (Al) | 0.20 | 0.80 |
| Carbon (C) | — | 0.08 |
| Manganese (Mn) | — | 0.35 |
| Silicon (Si) | — | 0.35 |
| Phosphorus (P) | — | 0.015 |
| Sulfur (S) | — | 0.015 |
| Cobalt (Co) | — | 1.00 |
| Boron (B) | — | 0.006 |
With a proven track record as a Inconel 718 Boiler tubes exporter in over 30 countries, Sumer Metal Industries ensures global availability, third-party inspection support, and client-specific customization. Our wide export network combined with strict quality standards has made us a preferred choice for Inconel 718 tubing worldwide.
Specification of Inconel 718 Boiler tubes
| Grade | Inconel 718 |
| UNS Number | N07718 |
| W.Nr. Designation | 2.4668 |
| Standards | ASTM B163 / B516 / B670, ASME SB163 / SB516 / SB670, AMS 5662 / 5663 |
| Product Forms | Seamless Tubes, Welded Tubes, U-Tubes, Coil Tubes |
| Outer Diameter Range | 6 mm – 273 mm (1/4” – 10” nominal) |
| Wall Thickness | 0.5 mm – 20 mm |
| Length | Up to 6 meters (Custom cut-to-length available) |
| Heat Treatment | Solution Annealed + Precipitation Hardened (Age Hardened) |
| End Finishes | Plain End, Beveled End, Threaded (as per requirement) |
| Applications | Boilers, Superheaters, Petrochemical Heaters, HRSG, Power Generation |
🏭 Industry & Application
- ✅ Inconel 718 Boiler Tubes for Medical Industry
- ✅ Inconel 718 Boiler Tubes for Chemical Processing
- ✅ Inconel 718 Tubes for Boiler Lines
- ✅ Inconel 718 Boiler tubes for Gas & Liquid Flow
- ✅ Inconel 718 Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1: What product certifications and documents are supplied with Inconel 718 boiler tubes?
A1: Each shipment includes Mill Test Certificate (MTC) to EN/ASTM/ASME standard requested by the buyer, chemical analysis (PMI), mechanical test reports, and NDT reports (PT/UT) if required. Third-party inspection can be arranged.
Q2: Which countries do you export Inconel 718 boiler tubes to?
A2: We export to Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, USA, Canada and multiple regions across Africa. Export packing, documentation and logistics support are provided.
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At Sumer Metal Industries Pvt. Ltd., we follow a zero-defect policy by implementing stringent quality checks, using certified raw materials, and continuously improving our processes to deliver reliable and consistent tubing solutions
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