Nickel Alloy Pipe Factory
Gnee, established in 2008, is a top Nickel Alloy Pipe manufacturer in China. We specialize in high-quality, custom pipes for industries like oil, gas, chemical processing, and power generation, ensuring reliable performance in demanding environments.
Our Nickel Alloy Material
Stainless Steel Alloy
What nickel alloy Pipe grades do we supply?
We Have rich nickel alloy Pipe shapes in stock
Gnee supplies rich Nickel Alloy Pipes to suit diverse industrial needs. Our products are available in seamless, welded, round, square, and custom shapes, with options for Nickel Alloy Tubes and flanged pipes. We provide flexible sizes, including custom diameters and lengths, to meet specific project requirements.
More information about Nickel alloy pipe
Each Nickel Alloy Pipe offered by Gnee is manufactured with precision, adhering to international ASTM, ASME, and ISO standards. We provide thorough quality testing, including chemical composition analysis, mechanical property testing, and surface inspection, ensuring exceptional quality and reliability.
| Standard | Specification | Description |
| ASTM B161 | Nickel 200 Pipes, Nickel 201 Pipes | Nickel alloy pipe for industrial applications |
| ASTM B163 | Inconel 600 Pipes, Inconel 601 Pipes | Nickel-chromium alloy seamless pipes |
| ASTM B444 | Inconel 625 Pipes | Nickel-chromium-molybdenum alloy pipe |
| ASTM B622 | Hastelloy C-22 Pipes | Nickel-molybdenum-chromium alloy pipe |
| ASTM B466 | Monel 400 Pipes | Nickel-copper alloy seamless pipe |
| ASTM B671 | Nickel 200 Pipes, Nickel 201 Pipes | Nickel alloy welded pipe |
| ASTM B751 | Inconel 718 Pipes | Nickel-chromium-iron alloy pipe |
| Parameter | Metric (mm) | Imperial (in) |
| Diameter | 6 mm – 500 mm | 0.25″ – 20″ |
| Wall Thickness | 1 mm – 50 mm | 0.04″ – 2″ |
| Length | 500 mm – 6000 mm | 20″ – 236″ |
| Tolerance | ±0.1 mm – ±2 mm | ±0.004″ – ±0.08″ |
| Custom sizes available upon request |
Custom orders are welcome
Successful Cases of Nickel-Based Alloy Pipes
Gnee has successfully supplied Nickel Alloy Pipe to clients across Europe, Southeast Asia, the Middle East, and Latin America, serving industries in India, Germany, Italy, Thailand, the UAE, Brazil, Mexico, etc. with reliable quality and on-time delivery.
Oil & Gas Exploration
A Middle Eastern oilfield operator sourced 35 tons of Inconel 625 seamless pipes (Grade: ASTM B444 ) from Gnee for subsea umbilicals in high-pressure, high-temperature (HPHT) wells. The alloy’s exceptional chloride stress corrosion cracking resistance and strength at 650°C ensured reliable performance in sour gas environments. Gnee provided ISO quality certification and hydrostatic testing, achieving a 45-day delivery for this urgent offshore project.
Power Generation
A German turbine manufacturer procured 8 tons of Haynes 230 alloy pipes (Grade: ASTM B435) from Gnee for superheater tubes in a biomass-fired power plant. The material’s oxidation resistance at 1,100°C and thermal stability were critical for handling aggressive ash deposits. Gnee’s cold-drawn tubes met DIN 17459 tolerances, with customized 12-meter lengths reducing weld joints and accelerating installation for the client’s tight commissioning schedule.
Marine Engineering
A Qatar shipbuilder ordered 12 tons of Monel 400 welded pipes (Grade: ASTM B165) from Gnee for seawater cooling systems in LNG carriers. The alloy’s resistance to saltwater pitting and biofouling minimized maintenance in marine environments. Gnee delivered UNS N04400 pipes with 3D plasma-cut flange connections and NACE MR0175 compliance, supporting the client’s eco-friendly vessel design for Arctic shipping routes.
FAQ
Why Choose Gnee?
Gnee maintains a rich inventory of high-performance nickel alloys, including Inconel, Incoloy, Hastelloy, Monel, and Stainless Steel Alloy grades. Our extensive stock ensures that we can meet the immediate needs of our customers, offering a wide range of sizes, forms, and specifications, from plates and bars to tubes and fittings. With quick access to critical materials, we minimize lead times and provide fast, reliable solutions
Nickel Alloy Inventory
Inconel Alloy Monel Alloy Hastelloy Alloy Nickel Nimonic Alloy Stainless Steel Alloy
Our export packaging complies with international standards for shipping and handling, ensuring the safe delivery of nickel alloys to various countries.
Common packaging methods
- Pallet packaging: Plates and sheets are usually placed on pallets for added stability
- Bundle packaging: Rods and tubes are often bundled together and secured with steel straps or high-strength straps
- Crate packaging: Wooden crates offer good protection and stability
- Foam protection packaging: Small accessories are often individually wrapped with foam
- Reel packaging: Wire is usually rolled into a round reel and wrapped with anti-corrosion material
In addition, if you have special requirements for packaging methods, we provide customized services to meet your personalized needs. Whether it is additional protection measures or special packaging materials, we can adjust according to your specific requirements. Our goal is to ensure that your goods arrive at their destination safely and intact.
Special customized packaging
- Size customization: Design special brackets or reinforcement materials for extra-long steel and special-shaped steel.
- Environmentally friendly packaging: Use degradable or recyclable packaging materials to meet customers’ green environmental protection requirements.
- Brand logo: Provide customers with packaging with company logos or special marks to facilitate brand identification and logistics management.
- Special protection: Such as adding shock-proof cushions or built-in pressure-resistant brackets for packaging of precision steel or high value-added products.
Gnee steel products have been exported to many countries and regions, including:
- Asia: Such as Japan, India, South Korea, Singapore, Malaysia, Thailand
- Middle East: Such as United Arab Emirates, Saudi Arabia, Qatar, Kuwait, Oman, Bahrain
- Africa: Such as South Africa, Egypt, Nigeria, Kenya, Algeria, Morocco
- America: Such as Canada, Mexico, Brazil, Argentina, Chile
- Europe: Such as Germany, United Kingdom, France, Italy, Spain, Russia, Poland
No matter where the customer is located, Gnee can respond quickly with a complete logistics network.
We ensure the quality and performance of our nickel alloy products through the following testing services:
- Chemical Composition Analysis
- Mechanical Properties Testing
- Hardness Testing
- Non-Destructive Testing (NDT)
- Dimensional Inspection
- Visual Surface Inspection
- Corrosion Resistance Evaluation
- Test Report
We understand that every project has unique requirements. To support our customers, we offer a range of practical and efficient processing services for nickel alloy products, including:
- Cutting Services: such as laser cutting, plasma cutting or water jet cutting, etc.
- Sheet Metal Processing: such as stamping, bending, shearing
- Welding Services: such as TIG welding, MIG welding, electron beam welding, etc.
- Surface Treatment: such as polishing, electroplating, sandblasting, etc.
- Heat Treatment: including annealing, quenching, tempering, etc.
- Customized Processing: According to the specific needs of customers, we provide customized nickel alloy processing services, including customization in shape, size, thickness, etc.
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