API 6A Wellhead Flanges (6B/6BX Type)

🔩 API 6A Wellhead Flanges (6B / 6BX Type) – Supplied by SSM

SSM manufactures and supplies API 6A wellhead flanges, including Type 6B and 6BX flanges, which are critical components in high-pressure oil and gas wellhead and Christmas tree systems. These flanges are built to withstand extreme pressure, corrosion, and harsh field conditions.

📘 Overview of API 6A Flanges

Standard: API 6A (Specification for Wellhead and Christmas Tree Equipment)

Flange Types:

6B Flanges – flat face flanges for lower pressure ratings

6BX Flanges – designed with raised face or RTJ for higher pressure integrity

Pressure Ratings: 2,000 psi to 20,000 psi

Temperature Classes: -75°F to +650°F (-59°C to +343°C)

Material Classes: AA, BB, CC, DD, EE, FF, HH (as defined by API 6A)

⚙️ Common Applications

Wellhead assemblies

Blowout preventer (BOP) stacks

Choke and kill manifolds

Christmas trees

High-pressure drilling and completion operations

🛠️ Materials Available from SSM

Carbon Steel: AISI 4130, ASTM A105

Stainless Steel: F316, F316L

Nickel Alloys: Inconel 625, Incoloy 825, Monel 400

Clad Flanges: CRA cladding for corrosive environments

Heat Treatment Options: Quenched & tempered, NACE-compliant materials available

📐 SSM Product Capabilities

Sizes: 1-13/16" to 26-3/4"

Connection Types: RTJ (Ring Type Joint), BX ring groove for 6BX

Standards Compliance: API 6A, NACE MR0175, ISO 15156

Testing: Hydrostatic, Ultrasonic, Magnetic Particle, and Hardness Testing

✅ Why Choose SSM for API 6A Flanges

Full traceability and API 6A-compliant quality control

Custom-machined flanges based on client drawings or specifications

Fast lead times and global delivery

ISO 9001-certified manufacturing

📩 Contact us to receive technical drawings, certificates, or a free quote for API 6A 6B/6BX flanges.

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