High-Pressure Sour Service Ready: Haihao Group Dispatches ASTM A182 F316L Flanges to UAE
Haihao Group has completed the dispatch of a high-specification flange cargo destined for an offshore and onshore gas handling expansion project in the United Arab Emirates (UAE). The shipment features a wide spectrum of pressure classes, ranging from Class 150 up to Class 1500, combining stainless steel and nickel alloy forged flanges built for extreme integrity under severe sour gas conditions.
Shipment Manifest & Engineering Specifications
Sourcing from an established ASTM A182 F316L weld neck flange manufacturer ensures flawless sealing groove execution, uniform wall matching, and full compliance with ASME B16.5 and ASME B16.48 standards. Below is the detailed order manifest for the UAE delivery:
Weld Neck Raised Face (WNRF) Flanges: 1″ (150# SCH 80S), 2″ (300# SCH 40S), and 16″ (150# SCH STD) | Material: ASTM A182 Grade F316L | Compliance: NACE MR0175 / ISO 15156.
Weld Neck Ring Type Joint (WNRTJ) Flanges (High Pressure): 1″ (1500# SCH 80S), 2″ (1500# SCH 40S & SCH 80S), 3″ (1500# SCH 40S & SCH 80S), 4″ (900# SCH 40S & SCH 80S), 6″ (900# SCH 80S), and 10″ (900# SCH 60) | Material: ASTM A182 F316L / F316 | Compliance: NACE MR0175 / ISO 15156.
Blind Flanges (RF Facing): 1″ 150# and 16″ 150# | Material: ASTM A182 Grade F316L | Standard: ASME B16.5 | Compliance: NACE MR0175 / ISO 15156.
Specialty Nickel Alloy Flanges (UNS N08825 / Incoloy 825): 1″ 1500# WNRTJ Flange (ASTM B564 / B424 UNS N08825) and 1″ 1500# RTJ Spectacle Blind (ASME B16.48) | Compliance: NACE MR0175 / ISO 15156.
ASTM A182 F316L weld neck flange manufacturer shipping high pressure WNRF WNRTJ and spectacle blind flanges to UAE
Sour Service Metallurgy & High-Pressure Sealing Integrity
High-pressure gas transmission systems handling wet H₂S demand materials that resist both pitting corrosion and sulfide stress cracking (SSC). Every item supplied by our ASTM A182 F316L weld neck flange manufacturer facility strictly satisfies NACE MR0175 / ISO 15156 requirements, maintaining controlled carbon content and solution-annealed structural microstructures.
For critical high-pressure tie-ins operating at 900# and 1500#, Ring Type Joint (RTJ) facings were precision-machined to ensure leak-proof metallic gasket seating. Furthermore, the inclusion of UNS N08825 (Incoloy 825) spectacle blinds and weld neck flanges provides superior resistance against extreme chloride stress corrosion cracking in aggressive process lines.
Quality Control, Protection & Export Packaging
As a trusted ASTM A182 F316L weld neck flange manufacturer, Haihao Group enforces stringent quality management prior to ocean shipment:
Dimensional & Surface Inspection: All raised faces, ring grooves, and bevel ends underwent 100% dimensional checks and liquid penetrant testing (PT).
Flange Face Protection: Precision-machined RTJ grooves and serrated RF faces were coated with rust-preventative oil and fitted with rigid wooden and plastic protective end caps.
Material Traceability: Complete EN 10204 3.1 Mill Test Certificates were provided, covering heat treatment charts, PMI chemical analysis, mechanical property testing, and NACE compliance records.
Partnering with an experienced ASTM A182 F316L weld neck flange manufacturer guarantees timely delivery and zero-defect integration for complex Middle Eastern hydrocarbon projects.
Request Your Project Quotation
Require certified NACE MR0175 stainless steel flanges, Class 1500 WNRTJ connections, or specialty Incoloy 825 spectacle blinds for your next pipeline installation? Trust a verified ASTM A182 F316L weld neck flange manufacturer. Contact the Haihao Group commercial engineering desk today for rapid pricing and technical evaluation.