Top 5 ASTM A139 SSAW steel pipe manufacturers

When it comes to infrastructure projects, industrial pipelines, and structural applications, selecting the right steel pipe manufacturer can make all the difference. ASTM A139 SSAW (Spiral Submerged Arc Welded) steel pipes are widely used in large-diameter, low-pressure conveyance of water, gas, and structural piling. Their spiral-welded design offers excellent strength, durability, and cost efficiency — but only when produced to high standards.

In this blog, we’ve rounded up the top five global manufacturers known for their expertise in producing ASTM A139 SSAW steel pipes in 2025. These companies stand out not only for their production capabilities and product quality, but also for their global certifications, innovative technologies, and reliable supply chains. Let’s dive in and explore who makes the cut.

Union Steel Industry Co., Ltd is professional SSAW steel pipe manufacturer, for more details, please contact:sales@union-steels.com

Top 5 ASTM A139 SSAW Steel Pipe Manufacturers

1. Union Steel Industry Co., Ltd (China)
Renowned for its reliable quality and extensive industry experience, Union Steel Industry Co., Ltd is a trusted name in the production of ASTM A139 spiral welded pipes. The company caters to both domestic and international markets with precision-engineered products built for performance.

2. American Spiral Weld Pipe Co. (USA)
This U.S.-based manufacturer specializes in producing ASTM A139-compliant spiral pipes tailored for large-scale infrastructure and industrial applications. Their commitment to quality and engineering excellence has earned them a solid reputation in the North American market.

3. Jindal SAW Ltd (India)
Jindal SAW is a leading global supplier of large-diameter welded steel pipes, particularly known for solutions in water transmission and industrial fluid transport. Their products meet ASTM A139 specifications, ensuring strength and durability across a variety of applications.

4. ArcelorMittal (Europe)
As one of the world’s largest steel producers, ArcelorMittal brings advanced manufacturing capabilities and global supply strength to the SSAW pipe sector. Their ASTM A139-certified pipes are widely used in construction, civil engineering, and energy infrastructure.

5. Welspun Corp Ltd (India)
Welspun is a global powerhouse in spiral welded pipe production, offering ASTM A139 pipes for low-pressure systems, drainage networks, and structural foundations. The company is recognized for its modern facilities and international quality standards.

All five of these manufacturers uphold rigorous adherence to ASTM A139 standards, ensuring superior durability, corrosion resistance, and consistent performance in demanding environments.

Leading Suppliers & Exporters of ASTM A139 SSAW Steel Pipes

For international buyers, partnering with a reputable exporter is critical. China continues to be a dominant force in the global steel pipe market, offering high output capacity, competitive pricing, and advanced quality assurance systems. Exporters like Union Steel Industry are trusted partners for businesses seeking long-term supply reliability.

Why Choose Union Steel Industry for ASTM A139 SSAW Steel Pipes?

Over 30 years of steel pipe manufacturing expertise

Certified to ASTM A139, ISO 9001, and API standards

Equipped with 13 production lines for diameters from 219mm to 3500mm

Customizable coatings and anti-corrosion treatments available

Strong export presence in North America, Europe, and Asia