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Seamless steel pipe is a crucial material in various industries, designed with a hollow cross-section and free from any welding seams. Its inherent strength and reliability make it an ideal choice for transporting a wide range of fluids, including oil, natural gas, and water, as well as certain solid materials. In addition to fluid transmission, seamless steel pipes are utilized in the manufacture of diverse structural and mechanical components, such as drill pipes and automotive transmission shafts, as well as in construction applications.

One of the standout features of seamless steel pipe is its favorable weight-to-strength ratio. Compared to solid steel bars, such as round bars, seamless steel pipe offers similar flexural and torsional strength while being significantly lighter. This property not only enhances performance but also contributes to cost efficiency, making seamless steel pipe an economical choice for many applications.

Quality Certifications and Material Specifications

Our seamless steel pipes have earned prestigious certifications, including API 5CT and API 5L, alongside TUV certification from Germany. Additionally, they comply with national standards, having passed the GB/T19001-2000 quality certificate and the ISO9001:2000 international quality certification. Our commitment to quality has also been recognized with multiple accolades within the metallurgy sector, both regionally in Inner Mongolia and nationally.

Material Grades and Specifications

We offer an extensive range of materials for seamless steel pipes, including but not limited to:

• J55
• K55
• N80
• P110
• L80
• Gr.B X42, X46, X52, X56, X65, X70, and more.

Manufacturing and Surface Treatment

Our manufacturing processes involve either hot rolling or cold drawing methods, allowing us to cater to various industry needs. Surface coatings are also customizable, with options including:

• Varnish (black painting)
• Anti-corrosion oil
• Galvanization
• Specific paint as requested by customers.

Dimensions and Packing

Seamless steel pipes can be produced in numerous sizes, tailored to customer specifications. Key dimensions include:

• Outer Diameter: 21.3 mm to 762 mm
• Wall Thickness: 2.11 mm to 59.94 mm
• Length: Available in standard sizes of 5 to 12 meters, with customization options.

They are packed securely for transportation, featuring standard export sea-worthy packing with corrosion treatment and end protectors to ensure safety during transit. Additionally, plastic caps are placed on both ends to further protect the pipes.

Standards and Delivery Conditions

Our seamless steel pipes conform to several international and regional standards, such as API 5L, API 5CT, ASTM A106, ANSI, ISO9001, DIN, EN, and JIS. They are delivered in well-defined conditions, including annealed and pickled finishes.

In summary, seamless steel pipes represent a vital resource across multiple sectors, noted for their strength, lightweight nature, and versatility in applications. With stringent quality control and a commitment to excellence, our products meet discerning industry standards.