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Inconel 718 Nickel Alloy Seamless Pipe UNS N07718 W.Nr. 2.4668 GH4169 ASTM B163 for Aerospace
| Place of Origin | Shanghai, China |
|---|---|
| Brand Name | Huona |
| Certification | ISO 9001:2015, ASTM B163, AMS 5589 |
| Model Number | IN718-SP |
| Minimum Order Quantity | negotiation |
| Price | negotiation |
| Packaging Details | Export-grade plywood case with moisture-proof wrapping, each pipe individually packed in anti-rust paper and PE bag |
| Delivery Time | 5 working days for stock, 15-30 days for production |
| Payment Terms | T/T |
| Supply Ability | 5000 Kilograms per Month |
Product Details
| Material Grade | Inconel 718 / UNS N07718 / W.Nr. 2.4668 / GH4169 / NC19FeNb / NCF 718 / NA 51 | Product Type | Seamless Pipe / Tube |
|---|---|---|---|
| Manufacturing Standard | ASTM B163, ASTM B167, ASTM B704, AMS 5589, AMS 5590, DIN 17752 | Density | 8.19 G/cm³ |
| Melting Point | 1260 - 1336 °C | Tensile Strength | >= 1034 MPa (solution Annealed + Aged) |
| Yield Strength | >= 725 MPa (0.2% Offset) | Elongation | >= 12% |
| Hardness | <= 363 HB | Heat Treatment | Solution Annealed 980°C + Aged 720°C/8h FC To 620°C/8h AC |
| Surface Finish | Pickled, Bright Annealed, Polished | End Finish | Plain End, Beveled End |
| Application | Aerospace Engine Components, Gas Turbine Parts, Oil Well Downhole Equipment, Nuclear Reactors, Cryogenic Storage | ||
| Highlight | Multi Grade Inconel 718 Seamless Tube,UNS N07718 W.Nr. 2.4668 GH4169 Pipe,Aerospace Oil Gas Nickel Alloy Pipe |
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Product Description
Inconel 718 Nickel Alloy Seamless Pipe & Tube
1.Multi-Country Grade Cross Reference
| Country / Region | Grade / Designation | Standard |
|---|---|---|
| USA | UNS N07718 | ASTM B163, ASTM B167, ASTM B704, AMS 5589, AMS 5590 |
| Germany | W.Nr. 2.4668 | DIN 17752, DIN 17754 |
| China | GH4169 | GB/T 14992, GB/T 14995 |
| France | NC19FeNb | AFNOR NC19FeNb |
| UK | NA 51 | BS HR 2, BS HR 601 |
| Japan | NCF 718 | JIS G 4903, JIS G 4904 |
| ISO | NiCr19Fe19Nb5Mo3 | ISO 9723, ISO 9724 |
2.Chemical Composition (Weight %)
| Element | Ni | Cr | Fe | Nb+Ta | Mo | Ti | Al | Co |
|---|---|---|---|---|---|---|---|---|
| Content | 50.0-55.0 | 17.0-21.0 | Balance | 4.75-5.50 | 2.80-3.30 | 0.65-1.15 | 0.20-0.80 | ≤ 1.0 |
3.Key Features & Advantages
- Exceptional High-Temperature Strength: Maintains excellent mechanical properties up to 700°C (1292°F), making it ideal for aerospace engine and gas turbine components.
- Outstanding Corrosion Resistance: Superior resistance to oxidation, pitting, crevice corrosion, and stress-corrosion cracking in harsh environments including sour gas (NACE MR0175 compliant).
- Precipitation Hardenable: Achieves ultra-high strength through controlled heat treatment (solution annealing + double aging) without compromising ductility.
- Excellent Weldability: Resistant to post-weld cracking and strain-age cracking, suitable for complex fabrication and repair welding.
- Multi-Grade Compliance: Certified to meet international standards across USA, Germany, China, France, UK, and Japan, simplifying global procurement.
- Cryogenic to High-Temperature Range: Reliable performance from -253°C (-423°F) cryogenic conditions up to 700°C continuous service.
4.Typical Applications
- Aerospace: Jet engine discs, shafts, casings, blades, seals, and afterburner components.
- Oil & Gas: Downhole tubing, hangers, valve bodies, wellhead components, subsea equipment.
- Power Generation: Gas turbine hot-section components, steam turbine bolting, heat exchanger tubing.
- Nuclear: Reactor core components, control rod drive mechanisms, pressure vessel internals.
- Chemical Processing: Heat exchangers, reaction vessels, piping systems handling corrosive media.
- Cryogenic: Liquid oxygen and liquid hydrogen storage tanks, pipes, and structural components.
5.Quality Assurance
Every batch of our Inconel 718 seamless pipe undergoes rigorous testing including:
- 100% PMI (Positive Material Identification) verification
- Ultrasonic testing (UT) per ASTM E213 / ASTM A388
- Eddy current testing (ET) per ASTM E426
- Hydrostatic / pneumatic pressure testing as per customer requirements
- Mechanical property testing: tensile, yield, elongation, hardness
- Intergranular corrosion test per ASTM A262 Practice E
- Mill Test Certificate (MTC) per EN 10204 3.1 or 3.2
Contact us today for competitive pricing, technical datasheets, and sample availability. We offer custom sizes and cut-to-length service to meet your exact specifications.
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