API 6A WN Flange RTJ 10,000 PSI SAE 4140 – Customized for Argentina Client by Haihao Group

Haihao Group has successfully completed the production and delivery of a batch of API 6A WN Flange RTJ 10,000 PSI SAE 4140 products for a valued client in Argentina, reinforcing our commitment to supplying high-performance flanges for demanding oil and gas applications.

Product Overview

This shipment includes weld neck (WN) flanges designed according to the API 6A standard, with ring-type joint (RTJ) sealing surfaces, and capable of withstanding pressures up to 10,000 PSI. The flanges are manufactured from SAE 4140 high-strength alloy steel, known for its excellent toughness, fatigue resistance, and performance under high-pressure conditions.

Supplied Dimensions

The sizes produced for this project include:

• 2-1/16″
• 2-9/16″
• 3-1/16″
• 4-1/16″
• 5-1/8″
• 7-1/16″

These dimensions cover a wide range of pressure control equipment and wellhead applications, ensuring compatibility with various types of API 6A equipment such as valves, spools, and Christmas trees.

API 6A WN Flange RTJ 10,000 PSI SAE 4140

Material and Standards

Material: SAE 4140 (Quenched & Tempered)

Specification: API 6A

Connection Type: Weld Neck (WN)

Sealing Face: RTJ (Ring-Type Joint)

Pressure Rating: 10,000 PSI

Each flange is precisely machined and inspected to ensure full compliance with API 6A tolerances and mechanical property requirements. Material traceability and comprehensive MTCs (mill test certificates) are provided with every order.

Why Choose Haihao Group?

Haihao Group has decades of experience in producing API-compliant flanges and forged components for upstream energy applications. Our advantages include:

• In-house forging, heat treatment, and CNC machining
• Strict quality assurance with NDT, PMI, hardness, and dimensional testing
• Fast turnaround and on-time delivery
• Global shipping and export packaging

We are proud to support our Argentinian customer in their oilfield development with high-quality pressure-rated flange components.

Looking for API 6A WN Flange RTJ 10,000 PSI SAE 4140?

Haihao Group offers a wide range of flanges and fittings for critical oil & gas environments. Contact us today to request a quote or get technical support for your project needs. Email:sales@haihaogroup.com