Leading Seamless Line Pipe Manufacturer in China

As a leading China seamless line pipe manufacturer and seamless line pipe factory, we specialize in producing high-quality seamless line pipes for oil, gas, water, and industrial fluid transmission projects. Backed by advanced production lines, experienced engineers, and strict quality control systems, we deliver seamless line pipe solutions that meet international standards such as API 5L, ASTM, and EN.

Our factory focuses on precision manufacturing, stable supply capacity, and consistent product performance. As a trusted China seamless line pipe factory, we support global customers with OEM services, custom specifications, and fast delivery.

Top Stainless Steel Seamless Pipe Supplier

Seamless Line Pipe for Sale Online

Seamless line pipes are essential components in the transportation of oil, gas, and water across vast distances under high pressure and challenging environmental conditions. Manufactured without welded seams, these pipes provide enhanced strength, uniformity, and resistance to stress and corrosion. Widely used in pipeline construction, energy, and infrastructure projects, seamless line pipes are available in various grades and sizes to accommodate specific operational requirements. Our product range is designed to ensure maximum reliability, safety, and longevity, making them the preferred choice for demanding industrial applications worldwide.

Category	Details
Application Range	Oil & gas transmission pipelines, water supply pipelines, industrial fluid transport, petrochemical pipelines, power plant piping systems, offshore & onshore pipeline projects
Product Type	Seamless Line Pipe, API Line Pipe, Cold Drawn Seamless Pipe, Hot Rolled Seamless Pipe
Standards	API 5L (PSL1 / PSL2), ASTM A106, ASTM A53, ASTM A333, EN 10216, DIN 17175, GB/T 8163, GB/T 9711
Steel Grades	API 5L Gr.B, X42, X52, X60, X65, X70, ASTM A106 Gr.B / Gr.C, ASTM A53 Gr.B, E355, P235, P265
Outer Diameter (OD)	21.3 mm – 630 mm (custom large diameter available)
Wall Thickness (WT)	2.0 mm – 60 mm

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Why Choose to Buy Seamless Steel Pipes from China?

China is a leading producer of seamless steel pipes, supplying high-quality products to oil & gas, energy, construction, and industrial projects worldwide. Choosing a reliable Chinese manufacturer ensures quality, cost-efficiency, and stable supply.

Strong Manufacturing Capacity

Advanced hot rolling and cold drawing lines with high annual output, ensuring stable supply for bulk orders and urgent deliveries.

Competitive Cost Advantage

Optimized raw material sourcing and mature processes allow high-quality pipes at competitive prices.

Wide Range of Standards & Grades

Produced to API 5L, ASTM, EN, GB standards, with multiple grades, sizes, and specifications customizable for projects.

Proven Export Experience

Experienced in supplying North America, Europe, Middle East, and Southeast Asia, ensuring professional packaging and compliance.

Reliable Quality Control

Strict inspection and testing ensure all seamless steel pipes meet international standards and customer specifications.

Fast & Flexible Delivery

Large inventory and efficient logistics enable prompt delivery for small or bulk orders, meeting tight project timelines.

Dexin Steel Tube (China) Co., Ltd – Leading Supplier of Steel Pipes

Dexin Steel Tube (China) Co., Ltd operates a nationwide network of advanced CNC machining centers, specializing in precision manufacturing of seamless steel tubes and related components. Equipped with 7-axis machining centers, wire-cut EDM machines, and electrical discharge machining systems, along with automated production lines, we deliver both prototype and high-volume orders with unmatched accuracy, reliable communication, and worldwide shipping solutions.

6000+

Factory Area (m²)

20-30K

Monthly Capacity (tons)

220

Total Employees

Our Valued Clients

Dexin Steel Tube (China) Co., Ltd works closely with global oil & gas, pipeline engineering, and industrial partners. Below are real cooperation and factory visit highlights.