Carbon Steels Pipe Metal One-Stop Solution
Product Name: Carbon Steel Tube
Grade: 10#,20#,45#,Q235B,Q355B,A106 GRB,A53 GRB,API 5L GRB,42CrMo….
Outside Diameter: 21.3-609.6mm
Thickness: 1.65mm-59.54mm
Standard: API 5CT, 5L; ASTM, BS, JIS, DIN
Packing: Steel strip packed. Standard Export Seaworthy Package.Suit forall kinds of transport,or as required
MOQ: 5 Ton
Gengfei Steel is an experienced steel supplier, providing the best prices and services.
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GengFei Steel supply a wide range of carbon steel pipes including seamless, ERW, LSAW, and spiral welded types. Available in various schedules (SCH 20 to SCH 160), grades (A53, A106, API 5L), and surface finishes. Ideal for oil & gas, construction, boiler, and structural applications.
We provide factory-direct carbon steel pipes with full certifications and customizable services for both small and large-scale projects.
Physical Properties of Carbon Steel Pipes by Grade
| Grade | Yield Strength (psi) | Ultimate Tensile Strength (psi) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| ASTM A53 | 35,000 – 46,000 | 60,000 – 80,000 | 30 min | 120 – 160 |
| ASTM A106 | 30,000 – 48,000 | 60,000 – 75,000 | 20 min | 130 – 160 |
| API 5L | 30,000 – 50,000 | 60,000 – 75,000 | 20 min | 120 – 160 |
| ASTM A500 | 30,000 – 52,000 | 58,000 – 70,000 | 20 min | 140 – 170 |
| ASTM A252 | 30,000 – 50,000 | 50,000 min | 20 min | 120 – 150 |
| ASTM A671 | 35,000 – 60,000 | 60,000 – 80,000 | 20 min | 130 – 160 |
| ASTM A786 | 30,000 – 37,000 | 55,000 – 70,000 | 22 min | 130 – 160 |
| ASTM A532 | 50,000 – 70,000 | 80,000 – 100,000 | 10 min | 200 – 250 |
| Grade | Specifications | Typical Applications |
|---|---|---|
| ASTM A53 | Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless | Structural applications, pipelines, and fittings in the gas and oil industry. |
| ASTM A106 | Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service | High-temperature applications including refineries, chemical plants, and power generation. |
| API 5L | Specification for Line Pipe | Pipelines for oil and gas transportation, both onshore and offshore. |
| ASTM A500 | Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Round and Rectangular Shapes | Construction, building frames, and furniture. |
| ASTM A252 | Standard Specification for Welded and Seamless Steel Pipe Piles | Foundation piling, retaining walls, and other critical structural applications. |
| ASTM A671 | Standard Specification for Electric-Fusion-Welded Steel Pipe for the Transportation of Oil, Gas, and Other Flammable Fluids | Oil and gas pipelines, particularly for sour service applications. |
| ASTM A786 | Standard Specification for Hot-Rolled Steel Plates for General Applications | Steel structures and flooring applications, including truck beds and general manufacturing. |
| ASTM A532 | Standard Specification for Abrasion-Resistant Cast Iron | Mining, mineral processing, and heavy industry applications where wear resistance is crucial. |
Comprehensive Range of Carbon Steels Pipe Metal
| Country | Grade / Specification | Diameter Range (mm) | Wall Thickness Range (mm) | Length Range (m) | Min Order Quantity (tons) | Surface Treatment | Processing Services | Carbon Content (%) |
|---|---|---|---|---|---|---|---|---|
| USA | ASTM A53.. | 15 – 600 | 1.2 – 20 | 6 – 12 | 5 | Black, Galvanized.. | Cutting, Bending.. | 0.25 – 0.30 |
| Germany | DIN 2391.. | 10 – 120 | 1.5 – 10 | 6 – 12 | 5 | Pickled, Black.. | Turning, Welding.. | 0.20 – 0.25 |
| China | GB/T 8162.. | 15 – 500 | 1.2 – 30 | 6 – 12 | 5 | Annealed, Black.. | Cutting, Heat Treatment.. | 0.12 – 0.20 |
| Japan | JIS G 3452.. | 15 – 100 | 1.6 – 12 | 6 – 12 | 5 | Black, Oiled.. | Custom Cutting, Shearing.. | 0.25 – 0.35 |
| India | IS 1239.. | 15 – 200 | 1.5 – 20 | 6 – 12 | 5 | Pickled, Oil Finished.. | Cutting, Bending.. | 0.22 – 0.26 |
| France | NF A 49-015.. | 15 – 150 | 1.5 – 10 | 6 – 12 | 5 | Black, Galvanized.. | Turning, Grinding.. | 0.20 – 0.25 |
| Italy | UNI 10219.. | 20 – 160 | 1.5 – 15 | 6 – 12 | 5 | Brushed, Pickled.. | Milling, Cutting.. | 0.23 – 0.28 |
| South Korea | KS D 3506.. | 10 – 150 | 1.2 – 20 | 6 – 12 | 5 | Galvanized, Oiled.. | Custom Cutting, Machining.. | 0.25 – 0.30 |
| Brazil | ABNT NBR 5591.. | 15 – 200 | 1.5 – 20 | 6 – 12 | 5 | Pickled, Black.. | Cutting, Grinding.. | 0.20 – 0.26 |
For more information or to request a quote, please contact our sales team.
Empower The Industry
Carbon steel, a versatile and cost-effective material, is widely used across various industries. However, selecting and sourcing the right carbon steel can be challenging due to diverse specifications and quality requirements. By choosing Gengfei, we will provide you with expert solutions tailored to your specific needs.
Automotive
Building
Dam
Chemical Processing
Manufacture
Mechanical
FAQ – Carbon Steel Pipe
1. What is carbon steel pipe used for?
Carbon steel pipe is used in a wide range of industries such as oil & gas, power generation, construction, boiler manufacturing, and mechanical structures. It is ideal for transporting fluids and gases under high pressure and temperature.
2. What are the differences between seamless and welded carbon steel pipes?
Seamless Pipe: No weld seam; stronger and better for high-pressure, high-temperature applications.
Welded Pipe (ERW, SSAW, LSAW): Has a welded seam; more cost-effective and suitable for low-to-medium pressure systems.
3. What’s the difference between SCH 40 and SCH 80 pipes?
These are Schedule Numbers that indicate wall thickness:
SCH 40: Standard thickness
SCH 80: Thicker wall for higher pressure
Thicker schedules have lower internal diameters and higher pressure ratings.
4. Is carbon steel pipe corrosion-resistant?
Not naturally. Carbon steel is prone to rust and corrosion unless coated. Common protection methods include:
Hot-dip galvanization
Anti-rust oil coating
3LPE/3LPP/FBE external coatings
Internal epoxy lining
5. Which standards are commonly used for carbon steel pipes?
ASTM A53 / A106 (American Standard)
API 5L (Pipeline applications)
EN 10210 / EN 10219 (European Structural Standards)
JIS G3452 / G3454 (Japanese Standards)
GB/T 8163 / 9711 (Chinese Standards)
6. Can carbon steel pipes be welded or machined?
Yes. Carbon steel has excellent weldability and machinability, especially in low and medium carbon grades like A106 Gr B and A53 Gr B.
7. What is the maximum temperature carbon steel pipe can withstand?
For ASTM A106 Gr B, the working temperature can reach up to 750°F (400°C) or more, depending on the pressure and system design.
8. How do I choose between API 5L and ASTM A106 pipes?
API 5L: Designed for pipeline transportation of oil, gas, and water. Comes in PSL1 and PSL2 grades.
ASTM A106: Designed for high-temperature service, especially in boilers and pressure vessels.
9. What sizes are available for carbon steel pipes?
Outer Diameter (OD): 1/8″ to 48″ (10.3mm – 1219mm)
Wall Thickness: SCH 10 to SCH 160 / XXS
Length: 5.8m, 6m, 11.8m, 12m, or custom cut-to-length
10. Do you offer certificates and testing reports?
Yes. We provide:
Mill Test Certificates (MTC) / EN 10204 3.1 or 3.2
Third-party inspections (SGS, BV, etc.) on request
Additional Services
We provide value-added services including rough machining, heat treatment, cutting, machining, rolling, welding, surface treatment, etc. to ensure your finished product is delivered to you ready for finishing. All forgings are rough machined according to your forging printouts and include Mill Test Report (MTR), Mechanical and Physical Property Reports, and Ultrasonic, X-Ray and Non-Destructive Testing (NDT) reports (as ordered or specified).
By choosing Gengfei Steel, we will provide you with professional solutions.
Rough Machining
Heat Treatment
Welding
Cutting
Rolling
Surface Treatment
CNC Machining
Custom Fabrication
Top-Quality Steel
Trusted by Industries Worldwide
You can source all the steel products you need through Henan Gengfei Industrial Co., Ltd. Our company specializes in manufacturing a wide range of steel products 🏗. Reach out to us directly to receive the highest quality steel products that meet international standards, all at competitive prices. For more details, please feel free to contact us via WhatsApp at +86 19139863252 📞. Let’s discuss how we can meet your steel product needs!
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