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Seamless Pipe

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  • Seamless Pipe
  • Seamless Pipe
  • Seamless Pipe

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Seamless Pipe

Carbon steel seamless pipe is a kind of hollow cross-section steel tube produced by piercing solid steel billet without welding joint on the pipe body. Different from welded steel pipe, it has no weld seam throughout the whole pipe length, which makes it capable of bearing higher pressure, temperature and mechanical impact. Made of prime carbon steel materials including 20#, 45#, 20G, ASTM A106 Gr.B, ASTM A53 Gr.B, our seamless pipes comply with global international standards such as GB, ASTM, DIN and JIS, meeting diverse global engineering and industrial requirements.
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Product Details

  • Seamless Integral Structure: No welding seam, avoid hidden leakage risks fundamentally, much safer than welded pipes for high-pressure working conditions
  • Excellent Pressure & Temperature Resistance: Suitable for high-temperature boiler pipelines, high-pressure fluid transmission and harsh working environments
  • Uniform Pipe Wall & Stable Performance: Consistent wall thickness, good toughness, tensile strength and bending performance, easy for secondary processing like cutting, bending and threading
  • Long Service Life: Good compression resistance and corrosion resistance, low maintenance cost for long-term pipeline operation
  • Full Specification Support: Cover small, medium and large diameter, thin wall and heavy wall sizes; customized length and processing service available

Main Product Types

  1. Hot Rolled Carbon Steel Seamless Pipe: Low production cost, large outer diameter, ideal for heavy-duty industrial projects and general fluid transportation
  2. Cold Drawn Carbon Steel Seamless Pipe: High dimensional accuracy, smooth inner and outer surface, tight tolerance, perfect for precision machinery and hydraulic pipelines
  3. Heavy Wall Carbon Steel Seamless Pipe: Extra thick wall design, ultra-high pressure resistance, applied in power plant, chemical reactor and petroleum pipeline projects

Wide Application Fields

  • Oil, natural gas, water and other liquid & gas long-distance transmission pipelines
  • Power plant boiler tubes, heat exchanger pipelines and high-temperature pressure vessels
  • Chemical industry, petrochemical engineering and high-pressure reaction piping systems
  • Mechanical manufacturing, hydraulic pipeline, automotive industry and engineering machinery parts
  • Municipal engineering, building structure support and fire protection pipeline systems

Quality Control & Our Services

Every batch of carbon steel seamless pipes undergoes complete strict tests before delivery, including hydraulic pressure test, ultrasonic flaw detection, chemical composition analysis and mechanical property test. Complete inspection reports and third-party certification documents can be provided. As a direct manufacturer, we offer fast shipment and one-stop pipeline solutions for global distributors, engineering contractors and end customers. OEM and non-standard customized processing services are also available


Packaging and Shipping

Adopting a professional industrial packaging solution that is moisture-proof and scratch resistant, each batch of steel is tied and fixed with customized wooden frames/steel strips, combined with anti rust coatings and cushioning pads to ensure zero damage during transportation. Clear product model, batch number, and storage identification on the outer packaging, supporting customized enterprise logos and information labels. Environmentally friendly and recyclable packaging materials practice green concepts, reducing transportation and disassembly costs.

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· FAQ

Your questions may be answered here

A：

We produce hot/cold rolled coils, galvanized/color coated sheets, medium/heavy plates, deformed bars, wire rods, H beams, angles, channels, round bars, seamless/welded pipes, square/rectangular tubes, and custom special profiles.

A：

We support customized production according to GB, ASTM, EN, JIS, AS, GOST, and other international standards to meet diverse project requirements.

A：

We are certified with ISO9001, ISO14001, CE, API 5L/5CT, ASTM, and EN, with a full-process quality management system.

A：

Our products are widely used in construction, machinery manufacturing, steel structures, energy transmission, auto parts, hardware fabrication, shipbuilding, and infrastructure projects.

A：

Yes. We offer flexible production solutions and support small-quantity and sample orders. Please contact us for details.

A：

Standard products typically take 15-30 days. Custom products depend on specifications and quantity. We are committed to on-time delivery.

A：

Our products have been exported to more than 60 countries and regions across Southeast Asia, the Middle East, Europe, Africa, South America, and Oceania.

A：

You can reach us via the contact form on our website, email, or phone. Our sales team will respond within 24 hours.

Certificate Qualification

Hongke holds ISO9001, ISO14001, CE, API 5L/5CT, ASTM, EN and other international certifications. With full-process quality control and physical & chemical testing, our products consistently meet global standards, enabling smooth access to EU, North America, Middle East and other major markets.

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Have Any Questions?

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