A350 LF2 Carbon Steel Weld Neck Flange API 6A 4” 10000 PSI

✅ A350 LF2 Carbon Steel Weld Neck Flange – API 6A – 4" – 10000 PSI

Product Name: A350 LF2 Carbon Steel Weld Neck Flange
Standard: API 6A (High-pressure wellhead & xmas tree equipment)
Size: 4 inches (Nominal Pipe Size)
Pressure Rating: 10,000 PSI (High Pressure Service)
Material: ASTM A350 LF2 (Low-Temperature Carbon Steel)
Flange Type: Weld Neck Flange (WN Flange)

🔍 Product Description:

This 4" Weld Neck Flange is made from A350 LF2 low-temperature carbon steel, designed and manufactured according to API 6A specifications for use in high-pressure oil & gas systems. With a 10,000 PSI rating, it offers superior mechanical performance and fracture toughness in low-temperature and high-stress environments.

🛡️ Key Features:

Material – ASTM A350 LF2: Excellent impact toughness at sub-zero temperatures; normalized and tempered.

Pressure Rating – 10,000 PSI: Suited for extreme service conditions in upstream oil & gas.

Flange Type – Weld Neck: Ensures a smooth bore transition, ideal for high-pressure, high-stress piping.

Compliance: Manufactured to API 6A with optional NACE MR0175 / ISO 15156 compliance.

Weld Prep & Facing: Available in Raised Face (RF) or Ring Type Joint (RTJ) finish.

🏭 Applications:

Wellhead and Christmas tree assemblies

High-pressure manifold and choke & kill systems

Subsea and topside oilfield installations

Natural gas processing and transmission

📌 SSM Product Benefits:

Precision-machined to API 6A tolerances

Supplied with full MTC (EN 10204 3.1/3.2) and heat treatment reports

Hydrotested, NDE inspected, and traceable

Available in various coatings and customized bolting patterns

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