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- 4" Inconel 625 Weld Neck Flange, 150# ASME B16.5, FF
Description
This product is a high-quality 4-inch Weld Neck Flange manufactured from Inconel 625 (ASTM B564 UNS N06625). It adheres to ASME B16.5 standards, making it suitable for a wide range of industrial applications. The flange is designed for Class 150 service and features a Flat Face (FF) design. Compliant with NACE MR0175/ISO15156, it ensures reliable performance in sour gas environments.
Key Specifications
| Size | 4 Inch |
| Connection Type | Weld Neck |
| Pressure Class | 150# (Class 150) |
| Flange Face | Flat Face (FF) |
| Standard | ASME B16.5 |
| Material | Inconel 625 (ASTM B564 UNS N06625) |
| Schedule | S-10S |
| NACE Compliance | NACE MR0175 / ISO15156 |
Application & Use
This flange is ideally suited for use in pipelines and piping systems that handle corrosive fluids and gases, particularly in the oil and gas, chemical processing, and marine industries. Its Inconel 625 construction provides excellent resistance to corrosion, oxidation, and high temperatures, ensuring long-lasting and reliable performance. The weld neck design allows for a strong, leak-proof connection when properly welded to a pipe.
Condition & Availability
Product is typically available for immediate shipping. Please contact us for current lead times and bulk order inquiries.
General Terms
- ReflowX and the seller retain the right to evaluate and approve offers.
- Buyers should verify quantities and conditions upon delivery.
- After successful engagement, both buyer and seller manage communication for payment terms and delivery schedule.
- All parties agree to adhere to ReflowX Terms and Conditions in transactions.
- Buyers can request value-added services such as pre-purchase inspections, Expediting & Delivery Services through ReflowX. Contact us!


