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China Seamless Steel Pipe Factory: Reliable Suppliers for Precision Manufacturing and Uninterrupted Flow

Established in 1990, our China-based factory specializes in the production and supply of high-quality seamless steel pipes. Spanning an impressive 90,000 square meters, we have dedicated years to technical innovation and improving our product quality. Thanks to the collective efforts of our employees, our company has achieved significant milestones, including ISO9001:2000 international quality system certification in 2004 and API certification in the USA in 200Our kerlimar brand seamless steel pipes are recognized as high-quality products in Hebei Province.

As leading suppliers in the industry, we offer a diverse range of products across 8 series, including seamless steel pipes for low and medium pressure boilers, petroleum casing pipes, ships, fluid conveyance, petroleum cracking, chemical fertilizer equipment, structures, and hollow pumping rods. We produce seamless steel pipes ranging from OD1/4 to OD32, with thicknesses including SCH30, SCH40, SCH80, SCH160, and more, complying with standards such as GB, ASTM, API 5L, API 5CT, DIN, and JIS. Our products are widely sold throughout China and exported to numerous countries and regions worldwide, including Southeast Asia, the Middle East, Europe, and America, where they have earned a stellar reputation in both domestic and international markets.

    Product Introduction

    Established in 1990, We specialized in producing and supplying various seamless steel pipes. our workshops covers a land area of 90,000 square meters. For many years, it has been devoted to technical innovation and improvement of product quality. Thanks to the concerted efforts of all its employees, the company has made satisfactory achievements. It passed the ISO9001:2000 international quality system certification in 2004 and the API certification of the USA in 2008. Its "kerlimar" brand seamless steel pipe is evaluated as a high-quality product in Hebei Province.

    Our main products include 8 series: seamless steel pipes for use in low and medium pressure boilers, petroleum casing pipes, ships, fluid conveyance, petroleum cracking, chemical fertilizer equipments, structures, and hollow pumping rods. we can produce seamless steel pipes from OD1/4” to OD32”, thickness SCH30, SCH40, SCH80, SCH160 and so on, according to the standards such as GB, ASTM, API 5L, API 5CT, DIN, and JIS. Its products have been sold around China and exported to over dozens of countries and regions in the world such as Southeast Asia, the Middle East, Europe and America etc., enjoying the very high prestige in the domestic and foreign markets.

    • Quality Commitment: Insisting on the operation concept of "quality first and continuous improvement" to provide high-quality products.
    • Technical Innovation: Constantly making innovations in technology and management with a sound scientific quality assurance system.
    • Certified Standards: Acquired ISO9001 and API 5L certificates to build a high-performance manufacturing base.

    Manufacturing & Technical Specifications

    Our workshop works as a professional manufacturer of seamless steel pipes. It's well-equipped, matured technology, high precision equipment of seamless production line provides the reliable guarantee for quality and meets the requirements of different customers.

    Common Materials
    20#, Q345
    Technical Standards
    API 5L B, ASTM A106 Gr.B, ASTM A53 Gr.B
    Specialized Applications
    High-pressure boiler pipe (GB5310-1995), Fertilizer equipment pipe (GB6479-2000), Petroleum cracking pipe (GB9948-2000), Low/medium-pressure boiler pipe (GB3087-1999), Fluid pipe (GB/T8163-1999), Structural pipe (GB/T8162-1999), Hydraulic support pipe (GB/T17396-1998).

    Frequently Asked Questions (FAQ)

    Q What standard specifications do your seamless steel pipes meet?
    Our seamless steel pipes are manufactured in compliance with international standards including API 5L, API 5CT, ASTM A106 Gr.B, ASTM A53 Gr.B, DIN, JIS, and GB standards such as GB5310, GB6479, GB9948, GB3087, GB/T8163, GB/T8162, and GB/T17396.
    Q What dimensions and sizes of seamless steel pipes can you produce?
    We can produce seamless steel pipes ranging from Outer Diameter (OD) 1/4” to OD 32”, with wall thickness specifications including SCH30, SCH40, SCH80, SCH160, and more.
    Q What are the primary applications of your seamless steel pipes?
    Our products cover 8 main series, serving industries such as low and medium pressure boilers, petroleum casing, shipbuilding, fluid conveyance, petroleum cracking, chemical fertilizer equipment, structural applications, and hollow pumping rods.
    Q What quality certifications does your company hold?
    We passed the ISO9001:2000 international quality system certification in 2004 and obtained the API certification of the USA in 2008. We consistently seek to maintain high-performance management and superior quality control.
    Q Which materials are commonly used in your production?
    The most common materials we utilize for manufacturing our high-precision seamless steel pipes are 20# and Q345.
    Q Where are your seamless steel pipes exported?
    Our products are sold throughout China and exported to dozens of countries and regions worldwide, including Southeast Asia, the Middle East, Europe, and America.