Products Description
Product Specifications
| Standards | ASTM B167 / ASME SB167 |
| Steel Grades | Inconel 617 (UNS N06617) |
| Equivalent Standards | W.Nr. 2.4663, DIN NiCr23Co12Mo, ISO 15156 / NACE MR0175 |
| Outer Diameter (OD) | 6 mm – 630 mm |
| Wall Thickness (WT) | 0.5 mm – 50 mm |
| Length |
6m / 12m,customized |
| Surface Treatment | Pickled / Bright Annealed (BA) / Polished |
| Production Process | Hot-rolled / Cold-drawn / Cold-rolled |
| Condition |
Solution Annealed |
Inconel 617 contains approximately 22% chromium and 1.2% aluminum; at temperatures up to 1100°C, it forms a dense, protective composite oxide film (chromium oxide and aluminum oxide) that provides outstanding resistance to oxidation and carburization.
Unlike age-hardenable superalloys, Inconel 617 pipe is a solid-solution-strengthened alloy; it is less prone to strain-age cracking after welding, and joint properties can be restored through appropriate post-weld heat treatment, thereby facilitating on-site installation and repair.
Customized Services
- TORICH offers custom U-bend radiant tubes for reforming furnaces, available with specific bending radii (R=3D, 5D, or 10D).
- We provide custom pipe-end processing services, including V-groove, U-groove, and double-V groove machining; threading (such as NPT and BSPT); and internal/external end thickening.
- We offer surface treatment services such as internal electropolishing (Ra ≤ 0.4 μm), aluminizing coatings, sandblasting/shot peening, and custom marking.
Chemical Composition
| Element | Ni | Cr | Co | Mo | Al | Ti | C | Fe | Si | Mn | S |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Inconel 617 | Balance | 20–24 | 10–15 | 8–10 | 0.8–1.5 | ≤0.6 | ≤0.10 | ≤3.0 | ≤1.0 | ≤1.0 | ≤0.015 |
Mechanical Properties
| Property | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
| Value | ≥690 | ≥275 | ≥35 | ≤220 |
Possible Alternative Grades
- For furnace tubes operating at temperatures below 850°C, Inconel 625 is a suitable choice, offering a price advantage over Inconel 617.
- Alloy 230 (UNS N06230) offers superior creep resistance and excellent resistance to nitriding and carburization compared to Inconel 617.
- For lower-temperature applications (≤ 800°C)-such as flue ducts, air preheaters, and auxiliary steam piping-310S or 309S stainless steel can be selected to minimize costs.
application areas
- Steam Methane Reforming (SMR) furnace tubes
- Ethylene cracking furnace radiant section tubes
- Secondary reformer outlet piping system
- Syngas generation and reforming units
- Fired heater convection and radiant sections
- Transfer Line Exchanger (TLE)
- High-temperature reactor piping systems
- Waste heat recovery furnace systems
Products Show
Testing Equipment
Factory Equipment
Pickling equipment
Products Package
FAQ
Q: What are the main advantages of Inconel 617 tubing?
A: It offers excellent high-temperature strength, good weldability and machinability, a long service life, and low maintenance costs.
Q: Can Inconel 617 seamless steel pipes be welded and machined?
A: Yes. Inconel 617 has excellent weldability and can be welded using GTAW, GMAW, SMAW, or laser welding. Post-weld heat treatment is required when used in high-temperature environments.
Q: What customization services do you offer?
A: We offer comprehensive customization services, including dimensions, end finishing, surface treatment, and heat treatment processes.
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