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API 5L vs ASTM A106: Steel Pipe Supply for Your Projects

Choosing the appropriate steel pipe is very important for oil and gas projects. API 5L Steel Pipes and ASTM A106 Steel Tubes are most popular used specifications. Correct the selection of the type will give security performance and work efficiency of the project. 

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Understanding API 5L and ASTM A106 Steel Pipes

Though the API 5L and ASTM A106 pipes are intended for oil and gas transportation, their application is not the same.

API 5L Steel Pipe
Engineered for long-range pipelines
In PSL1 and PSL2 grades are offered
May be welded or seamless
Concentrate on strength and mechanical properties

Astm A106 Seamless Steel Tube
Suitable for high-temperature application pipe
Popular grades: A106 Gr. B
Seamless only
Emphasis on chemical composition and tensile strength

Tip: Many projects in Mexico are using both types for different areas, temperature and pressure definitions.

Project Case Study: Steel Pipe Supply for a Mexican Oil Project

In February, our company successfully signed a cooperation agreement with the Mexican oil and gas pipeline transportation project, becoming one of the reliable suppliers of 2,000 tons of steel pipe for the project.

Our products meet the client's quality and certification requirements.

We provide Factory Test Reports (MTR).

Compliant with ASTM, API, and ISO standards.

NOM certification is available for imported products to Mexico.

We supplied 1,500 tons of API 5L steel pipe and 500 tons of ASTM A106 steel pipe for this project.

During packaging and transportation, we applied an anti-rust coating to the steel pipes and secured them securely. Due to the large quantity and urgent delivery time, we coordinated with the production department to prioritize production and delivery to meet the project schedule and customs requirements.

The client chose us because of our extensive export experience.

We are familiar with the export requirements of various countries, including local regulations and document preparation, to ensure timely delivery.

View our steel pipe product page to learn about available ASTM A106 and API 5L steel pipes and get a quote.

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How to Buy Steel Pipes from China

Still China accounts for one of the biggest suppliers of ASTM A106 and API 5L steel pipe. Here’s a basic overview on importing:

Find a Trustworthy Supplier: Seek for manufacturers with ISO / ASTM / API certifications, experience in exporting to Mexico and references in oil & gas projects.
Request for quote & sample: Confirm the specification, size, grade and coating etc. Ask for preshipment samples.

Negotiate Terms: Set the terms of the deal under the EXW, FOB or CIF status, schedule of delivery and method of payment.

Book your freight or customs: Contact a freight forwarder familiar with Mexico import requirements. Make sure you have all your documents such as the commercial invoice, packing list, bill of lading and your certificate of origin.

Quality Check: You may want to consider third party inspection prior to shipment to confirm whether it is in accordance with ASTM A106 or API 5L standards.

By doing this, your project can demonstrate to known suppliers how you expect your high-quality products in a timely manner, and also will be able to avoid the kind of problems and headaches that so often plague international trade.

Why Royal Steel Group is a Trusted Chinese Supplier

Highly Competitive Factory Prices: Direct sales from the manufacturer offer cost advantages while ensuring quality.

Fast Delivery: Our well-stocked suppliers can ship within 7-15 days.

Complete Certifications: All pipes come with factory test reports and quality assurance.

Extensive Project Experience: We have successfully collaborated with numerous countries in Southeast Asia, North America, Latin America, South America, Oceania, and Europe, ensuring timely delivery.

Do you have any steel purchasing needs in the near future? Send us your requirements now and you'll receive a quote within 12 hours.

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ROYAL GROUP

Address

Kangsheng development industry zone,
Wuqing district, Tianjin city, China.

E-mail

sales01@royalsteelgroup.com

Phone

Sales Manager: +8613652091506

Hours

Monday-Sunday: 24-hour Service

Post time: Mar-31-2026