TOBO Seamless Carbon Steel Pipes are designed to deliver outstanding performance with high strength in harsh industrial operating environments, especially for large-scale pipeline projects. Manufactured in accordance with ASTM/ASME standards to guarantee material and dimensional stability, these seamless carbon steel pipes combine the inherent toughness of high-quality carbon steel with precision seamless manufacturing technology. This combination greatly prolongs the service life of piping systems, lowers maintenance requirements, and provides an economical solution for large-diameter, high-pressure industrial infrastructure. They are ideal for buried, submerged or exposed industrial applications, delivering stable high-strength performance where ordinary steel pipes would struggle to withstand high pressure or heavy loads.
1. Product Description
TOBO Seamless Carbon Steel Pipes are made of high-quality carbon steel, produced through advanced seamless manufacturing processes to ensure uniform structure and excellent mechanical properties. Our product portfolio covers large-diameter specifications, tailored to meet the high-strength requirements of industrial pipeline systems. Each pipe is strictly processed and inspected to conform to ASTM/ASME standards, ensuring consistent dimensional accuracy, high tensile strength and good ductility. These seamless carbon steel pipes are customized for specific operating pressure, flow demand and project specifications, suitable for a variety of heavy-duty industrial applications.
2. Key Specifications
Base Pipe Standards: ASTM A106 Gr. B, ASME B36.10M, API 5L (carbon steel grade)
Manufacturing Standard: Compliant with ASTM/ASME strict requirements for seamless carbon steel pipes
Pipe Type: Seamless carbon steel pipe (no welding seams, high structural integrity)
Size Range: Large diameter, 6 inches to 48 inches O.D. and larger (customizable)
Strength Performance: High tensile strength, excellent yield strength, suitable for high-pressure working conditions
3. Applications
These large-diameter, high-strength seamless carbon steel pipes are widely used in projects where high pressure, large flow and structural stability are critical for safety and cost efficiency:
Oil & Gas: Onshore/offshore large-diameter transmission pipelines, high-pressure gathering lines, water injection lines
Water & Wastewater: Large-scale potable water transmission pipelines, high-pressure sewer force mains, large-diameter intake and discharge lines
Chemical & Industrial: Large-diameter underground piping, high-pressure cooling water systems, heavy-duty effluent pipelines
Infrastructure & Construction: Large-diameter structural piping for bridges, ports, and industrial buildings, bearing high loads
Mining & Slurry: Large-diameter seamless pipes for high-pressure slurry transportation, withstanding abrasive media
4. Key Advantages
Excellent High-Strength Performance: High tensile and yield strength, capable of withstanding high pressure and heavy loads, ensuring structural stability in large-diameter pipeline systems.
Seamless Structural Integrity: No welding seams, avoiding potential leakage risks at welds, improving overall reliability and service life.
Large-Diameter Adaptability: Covering a wide range of large-diameter specifications, meeting the needs of large-scale industrial pipeline projects, reducing the number of pipe connections.
ASTM/ASME Certified Quality: Strictly compliant with ASTM/ASME standards, ensuring consistent material properties, dimensional accuracy and reliable performance.
Cost-Effective & Durable: High-quality carbon steel material, long service life, low maintenance costs, providing an economical solution for large-diameter, high-pressure applications.
5. Function
The main function of TOBO Seamless Carbon Steel Pipes (Large Diameter, High Strength & ASTM/ASME Compliant) is to provide a safe, stable and efficient conduit for large-flow, high-pressure fluids in heavy-duty industrial applications. They are designed to withstand high pressure, heavy loads and harsh operating environments, ensuring the structural and operational integrity of the large-diameter pipeline throughout its design life. These pipes act as a core component of industrial infrastructure, enabling safe, continuous and cost-effective transportation of oil, gas, water and other media, while reducing maintenance downtime and lifecycle costs.
Payment & Invoicing
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First-Time Clients: 50% advance payment, 50% balance before shipment.
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Strategic Clients: 30% advance, 70% payment against copy of Bill of Lading.
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Long-Term Agreements: 60-day credit terms available (subject to credit approval).
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Invoicing: 13% VAT Special Invoice provided; FORM A Certificate of Origin for exports.
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fication System: Laser marking includes material code, pressure rating, and flow direction arrows.
FAQ
1. Are you trading company or manufacturer ?
We are manufacturer ,You can see the Alibaba certification.
2. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ?
Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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