API 6A 20K High-Pressure Flanges

✅ API 6A 20K High-Pressure Flanges – Supplied by SSM

SSM supplies API 6A 20,000 PSI (20K) flanges, designed for extreme high-pressure wellhead and Christmas tree applications in the upstream oil and gas industry.

📘 What is API 6A 20K?

API 6A is the standard from the American Petroleum Institute covering wellhead and tree equipment.
20K flanges are rated for 20,000 psi working pressure and meet API 6A PSL 3 / PSL 3G for the most demanding environments, including HPHT (High Pressure High Temperature) operations.

📐 Specifications:

Standard: API 6A (Latest Edition)

Pressure Rating: 20,000 PSI (20K)

Types Available:

6BX Weld Neck Flanges

6BX Blind Flanges

RTJ (Ring Type Joint) Facing only

Nominal Sizes: 1-13/16" to 7-1/16" and beyond

Temperature Classes: K, L, P, R, S, T, U, V

Material Classes: EE, FF, HH

Product Specification Levels: PSL 1 to PSL 4

NACE Compliance: MR0175 / ISO 15156 for sour service (optional)

🔩 Material Options:

AISI 4130 / 4140 / 410 Stainless

Inconel® Alloys, Duplex/Super Duplex

CRA (Corrosion Resistant Alloy) Overlays Available

Cladding, Inlay, or Solid Alloy Construction

📄 Certifications:

Full API 6A monogram (if required)

EN 10204 3.1 / 3.2 MTC

NACE MR0175 for sour gas service

Third-party inspection (BV, DNV, SGS) upon request

🏭 Applications:

HPHT oil and gas wells

Offshore subsea systems

Onshore wellhead trees

Blowout preventers (BOPs)

Frac manifolds and choke & kill systems

📦 Why Choose SSM for API 6A 20K Flanges?

Flanges designed, tested, and machined to API 6A tolerances

Excellent resistance to pressure cycling and corrosion

Custom-engineered options for critical service

Fast global shipping and technical support

Hot Tags: api 6a 20k high-pressure flanges, China api 6a 20k high-pressure flanges manufacturers, suppliers, factory, spectacles flange, alloy 400 flanges, threaded flange, Incoloy Flanges, cupro nickel flange, Inconel Flanges