DTC Carbon‑Steel Seamless Steel Pipe for Fluid Transportation

Product Overview

DTC carbon‑steel seamless steel pipe is manufactured via hot‑rolling and cold‑drawing piercing technology, with no welded joint on the pipe body. The integrated tubular structure delivers outstanding high‑pressure resistance, high‑temperature stability and anti‑shock performance. It can be customized with anti‑corrosion treatment, widely adopted in fluid transportation, petrochemical projects, power‑station piping, municipal engineering and building structure works.

Core Product Advantages

• Seamless Integral Structure: No weld seam, avoids leakage risk under high‑pressure working conditions
• High Pressure & Heat Resistance: Stable performance under high‑pressure and high‑temperature working environments
• Superior Mechanical Performance: High tensile strength, suitable for structural support and heavy‑duty piping
• Custom Anti‑Corrosion Options: 3PE coating, black varnish, galvanized treatment for buried installation
• Precise Dimension Control: Consistent wall‑thickness for threading, bending and further deep‑processing
• Long Service Life: Anti‑oxidation raw‑steel base ensures long‑term service in harsh working conditions

Common Material Grades

• 20# carbon steel (standard fluid‑transport grade)
• Q355B low‑alloy steel (high‑strength structural grade)
• 45# carbon steel for mechanical processing

Technical Specifications

• Raw Material: 20#, Q355B carbon‑steel billet
• Production Process: Hot‑rolled / Cold‑drawn seamless piercing
• Size Range: DN15‑DN600
• Wall‑Thickness: 2.5mm‑40mm
• Standard Length: 6m, 12m (custom cut‑to‑length available)
• Executive Standard: GB/T 8163, GB/T 6479, API 5L
• Connection Method: Butt‑weld, thread, flange connection

Application Scenarios

• Petrochemical oil and natural‑gas long‑distance transportation
• Power‑station boiler high‑pressure water‑steam pipelines
• Industrial‑park high‑pressure circulating‑water piping
• Municipal underground pressure water‑supply network
• Building steel‑structure support frame
• Mining slurry and high‑pressure drainage engineering

Quality Assurance

All DTC seamless steel pipes strictly follow GB/T 8163 and API 5L standards. Each batch undergoes hydrostatic pressure test, ultrasonic non‑destructive weld‑free inspection, chemical‑composition analysis and dimensional inspection before delivery. We provide complete MTR material test reports for engineering bidding and project acceptance.

Contact us for wall‑thickness selection, anti‑corrosion schemes and bulk‑order quotation!