Haihao Group Delivers ASTM A182 F5 WN RF Flange to Iran
Haihao Group has successfully completed the shipment of a 6-inch Weld Neck Raised Face (WN RF) flange to a customer in Iran. The flange is manufactured in accordance with ASME B16.5 and supplied in ASTM A182 Grade F5, meeting the requirements of NACE MR0175 for sour service applications.
This delivery supports a piping system operating under high pressure and elevated temperature, where material integrity and corrosion resistance are critical.
ASTM A182 Grade F5 weld neck raised face flange Class 150 manufactured to ASME B16.5 for Iran oil and gas pipeline projects
Product Details at a Glance
The supplied flange features the following specifications:
- Product Type: Weld Neck Flange, Raised Face (WN RF)
- Size: 6 inch
- Pressure Rating: Class 150
- Wall Thickness: SCH STD
- Material: ASTM A182 GR. F5
- Standard: ASME B16.5
All technical parameters were confirmed prior to production to ensure full compliance with project requirements.
ASTM A182 F5 Flange for NACE MR0175 Service
ASTM A182 Grade F5 is a chromium-molybdenum alloy steel widely used in high-temperature and high-pressure pipeline systems, particularly in oil, gas, and petrochemical projects.
For this order, special attention was paid to NACE MR0175 requirements, including strict control of sulfur (S) and phosphorus (P) content, ensuring suitability for sour gas and corrosive environments.
This makes the Class 150 WN RF flange ASTM A182 F5 a reliable choice for Iranian energy and process industry applications.
Manufacturing and Quality Control
Haihao Group follows a rigorous manufacturing and inspection process for alloy steel flanges, including:
- Raw material verification with chemical composition control
- Dimensional inspection according to ASME B16.5
- Surface finish and raised face inspection
- Documentation review to confirm NACE MR0175 compliance
Each 6-inch weld neck flange RF was carefully inspected before packing to ensure safe transportation and trouble-free installation on site.
Trusted Flange Supplier for Middle East Projects
With extensive experience supplying ASME B16.5 flanges to Iran and the Middle East, Haihao Group continues to provide reliable piping components for demanding projects.
From ASTM A182 F5 WN flanges to other alloy steel and stainless steel flanges, Haihao Group supports customers with stable quality, technical understanding, and on-time delivery.