Nickel‑based Alloy Flange
Nickel‑based alloy flanges are forged piping connection components for high‑pressure, high‑temperature and corrosive working conditions. Available in Inconel, Hastelloy, Monel, Nimonic, GH series and PH steel grades. Multiple flange types, connection modes and surface treatments are offered. Manufactured per global standards, suitable for petrochemical, shipbuilding, power and water‑works piping joint projects.
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Description
| Item | Details |
|---|---|
| Product Name | Nickel‑based Alloy flange |
| Material | Monel / Inconel / Hasteloy / Duplex Steel / PH Steel / Nickel Alloy |
| Available Grade | Inconel series: 600,601,625,617,690,718,X‑750
Incoloy series:A‑286,800,800H,800HT,825,901,925,926 Nimonic series:75,80A,90,105,C263,L‑605 Hastelloy series:B,B‑2,B‑3,C,C‑276,C‑22,C‑4,C‑2000,G‑35,X,N PH stainless steel:15‑5PH,17‑4PH,17‑7PH Chinese GH series:GH2132,GH3030,GH3039,GH3128,GH4180,GH3044 Monel series:400,K‑500 |
| Size | 1/2″‑200″ / DN10‑DN500 |
| Type | Welding neck , Slip on, Blind , Long welding neck, Spectacle Blind,
Lap joint, Socket, Threaded ,Flat /Plate /Loose, Orifice, Anchor , custom‑made. |
| Surface Treatment | Anti‑rust oil, transparent paint , Black paint, Yellow paint, hot‑dipped Galvanized, electrical galvanized, Dacromet |
| Standard | ANSI, ASME, DIN, BS, JIS, GB, ISO etc |
| Connection | Welding, Threaded, Lap joint |
| Technical | Forged |
| Heat Treatment | Normalizing, Annealing, Quenching+Tempering |
| Payment Terms | TT or LC at sight |
| Delivery Time | Depends on Specifications, Quantity etc. |
| Applicazione | Petrochemical & Gas industry,Shipbuilding industry, Power industry, Valve industry,Water works, and general pipes connecting projects etc. |
| Packing | Standard export packaging . As Customers’ Requirements |
Product Features
- Rich alloy grade selection: Wide range of nickel‑base superalloy and PH steel grades, match various high‑temperature, high‑pressure and strong‑corrosion pipeline service environments.
- Diverse flange types & connections: Supply welding neck, slip‑on, blind, spectacle blind, orifice, anchor and custom‑made flanges; support welding, threaded and lap‑joint connection forms.
- Forged manufacturing process: Fully forged structure, compact internal metallographic structure, high mechanical strength and pressure‑bearing capacity.
- Multiple heat‑treatment options: Normalizing, annealing, quenching + tempering to optimize material toughness, hardness and stress relief for different working requirements.
- Comprehensive surface protection options: Anti‑rust oil, multi‑color paint, hot‑dip galvanizing, electro‑galvanizing, Dacromet coating to prevent rust and surface damage during storage & transit.
- Compliant with global standards: Produced in accordance with ANSI, ASME, DIN, GB and other international norms, ensure interchangeability for global engineering procurement.
- Flexible export packing, can be adjusted according to customer special requirements.
Typical Performance
- Excellent high‑temperature & pressure resistance: Forged nickel‑alloy structure maintains stable mechanical performance under high‑temperature and high‑pressure operating conditions, effectively preventing flange deformation.
- Outstanding corrosion resistance: Resist acid, alkali, chloride‑medium erosion, pitting and stress corrosion cracking, adapt to harsh chemical and marine service conditions.
- Reliable sealing performance: Precise machining of sealing face, achieve leak‑tight piping connection, guarantee whole‑system integrity.
- Optimized mechanical property via heat treatment: Proper heat treatment eliminates forging stress, balances strength and toughness, improves anti‑fatigue performance under cyclic pressure load.
- Good assembly compatibility: Standard dimension tolerance, convenient for on‑site installation, maintenance and pipeline disassembly.
Main Applications
- ⛽ Petrochemical & Gas Industry: For high‑pressure process pipeline connection for oil refinery and natural gas projects.
- 🚢 Shipbuilding Industry: Corrosion‑resistant flange joints for ship and offshore platform piping systems.
- ⚡ Power Industry: High‑temperature and corrosion‑resistant flanges for power station process pipelines.
- 🛠️ Valve Industry: Matching flange accessories for various industrial valve assembly.
- 💧 Water Works: Flange connections for desalination, water treatment and water supply pipeline projects.
- 🏗️ General Pipe‑connecting Projects: Various industrial piping joint requirements for complex working‑condition projects.

































