Inconel 625 Weld Neck Flange API 6A 4” 5000 PSI

✅ Inconel 625 Weld Neck Flange – API 6A – 4" – 5000 PSI

Product Name: Inconel 625 Weld Neck Flange
Standard: API 6A
Size: 4" (NPS)
Pressure Rating: 5000 PSI
Material: Inconel 625 (UNS N06625) – Nickel-Chromium-Molybdenum-Niobium Alloy
Flange Type: Weld Neck Flange (WN Flange)

🔍 Product Description:

This Inconel 625 weld neck flange is designed in accordance with API 6A, the American Petroleum Institute specification for high-pressure, high-temperature wellhead and Christmas tree equipment. API 6A flanges are built for rugged oilfield conditions, ensuring reliable pressure containment and structural integrity.

The Inconel 625 alloy used in this flange is a solid-solution-strengthened nickel-based superalloy known for:

Excellent resistance to pitting, crevice corrosion, and intergranular attack in chloride-bearing environments

High mechanical strength at elevated temperatures

Superior fatigue and stress-corrosion cracking resistance

Outstanding oxidation resistance up to 1093°C (2000°F)

🛡️ Key Features:

Complies with API 6A pressure class 5000 specifications

Weld Neck design enables a smooth pipe-to-flange stress transition

Exceptional resistance to seawater, acids, alkalis, and oxidizing agents

Machined with precision for tight dimensional tolerances

Compatible with Raised Face (RF) and Ring-Type Joint (RTJ) sealing faces

🏭 Applications:

Offshore platforms, subsea systems, and high-pressure wellhead equipment

Sour gas (H₂S) and CO₂ injection systems

Heat exchangers, pressure vessels, and chemical reactors

Desalination plants and marine environments

📌 SSM Supply Commitment:

Full compliance with NACE MR0175 / ISO 15156 for sour service

Certification to EN 10204 3.1 / 3.2 and API monogram (upon request)

Custom drilling, coating, and surface finish available

100% positive material identification (PMI) and hydrostatic tested

Global shipping and full documentation support

Hot Tags: inconel 625 weld neck flange api 6a 4” 5000 psi, China inconel 625 weld neck flange api 6a 4” 5000 psi manufacturers, suppliers, factory, Inconel Flanges, cuni flange, c276 flanges, titanium gr 2 flanges, Titanium Flanges, ss flange