Seamless Carbon Steel Pipe
High-strength seamless carbon steel pipe, available in Schedule 40 and other thicknesses. Suitable for high-temperature, high-pressure, and structural applications across industries.
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Description
Product Description
Seamless carbon steel pipe is manufactured by hot rolling or cold drawing a solid billet into a hollow tube. Compared with welded pipes, seamless vs welded carbon steel pipe comparison shows seamless pipes are stronger, more pressure-resistant, and ideal for critical applications.
We supply standard and custom sizes in Schedule 40 seamless carbon steel pipe, A106 seamless carbon steel pipe Grade B, and other popular specifications. All products comply with international standards like ASTM, ASME, API, and GB.
SCH 40 seamless carbon steel pipe is widely used for high temperature service, pressure lines, boilers, heat exchangers, and fluid pipelines.
Specifications of carbon steel seamless pipe
| Specification | Details |
|---|---|
| Outer Diameter | 10.3mm – 812.8mm |
| Wall Thickness | SCH 10 / SCH 20 / SCH 40 / SCH 80 / XXS |
| Length | 5.8m, 6m, 11.8m, 12m, or custom |
| Ends | Plain, Beveled, or Threaded |
| Surface Finish | Bare, Black Painted, Oiled, Galvanized |
| Material Grades | ASTM A106 Grade A/B/C, A53 Gr A/B, API 5L B/X42/X52/X60, ST37, ST45, Q345 |
| Density | ~7.85 g/cm³ (for seamless carbon steel pipe) |
Standards and Grades
| Standard | Grade | Application |
|---|---|---|
| ASTM A106 | Grade B (most popular) | Seamless carbon steel pipe for high temperature service |
| ASTM A53 | Grade B | Structural and pressure use |
| API 5L | B, X42–X70 | Oil & gas transmission pipelines |
| GB/T 8163 | 10#, 20#, Q345 | General fluid and structure |
Applications of Seamless Carbon Pipe
High-temperature steam pipelines (power plants, refineries)
Oil and gas transportation (onshore & offshore)
Boiler tubes and heat exchangers
Mechanical structures and automotive components
Fluid pipeline systems
Seamless black carbon steel pipe used in construction and water lines
Why Choose Seamless Over Welded?
Seamless vs Welded Carbon Steel Pipe: Seamless offers better strength, pressure resistance, and no risk of weld failure
No welding line means better uniformity and reliability in extreme conditions
Preferred for high temperature service or critical applications
Seamless Carbon Steel Pipe Price List
Prices vary depending on grade, size, and order quantity. Contact us for the latest seamless carbon steel pipe price list.
| Size (OD × WT) | Grade | Unit Price (USD/ton) |
|---|---|---|
| 2″ SCH 40 × 6m | ASTM A106 Grade B | $750–$850 |
| 4″ SCH 40 × 6m | ASTM A53 Grade B | $730–$820 |
| 6″ SCH 40 × 12m | API 5L Grade B | $710–$800 |
| Custom sizes | As requested | Please contact us |
📌 Prices are for reference only. Please request a quote for accurate pricing.
FAQ: Seamless Carbon Steel Pipe
Q1: What is the difference between SCH 40 and other schedules?
A: SCH 40 indicates wall thickness. Compared to SCH 10 (thinner) or SCH 80 (thicker), it is the most commonly used for general applications.
Q2: What is ASTM A106 seamless carbon steel pipe Grade B used for?
A: It is widely used in high-temperature pipelines, boilers, and heat exchangers.
Q3: Can seamless carbon steel pipe be galvanized?
A: Yes, we offer hot-dip galvanized seamless carbon steel pipes upon request.
Q4: What is the density of seamless carbon steel pipe?
A: Approximately 7.85 g/cm³, similar to general carbon steel materials.
Q5: Is seamless black carbon steel pipe suitable for water or gas?
A: Yes. It is often used in municipal piping and industrial systems.
Recommended Products
Contact Us – Seamless Carbon Steel Pipe Supplier in China
GENGFEI STEEL – Reliable Exporter of Carbon Steel Pipes
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🌐 Website: www.gengfeisteel.com
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