Carbon Steel Round Pipe – Strong circular steel pipe for construction and fabrication use.
Welded & Seamless Options – ERW welded pipe, seamless pipe and custom pipe types available.
Custom Size Supply – Outer diameter, wall thickness, length and pipe end can be customized.
Multiple Steel Grades – Q195, Q235, Q355, ASTM A53, ASTM A500, S235 and S355 supported.
Export Ready Service – MTC, inspection support, bundle packing, FOB, CIF and CFR available.
Black carbon steel round pipe is a circular steel pipe widely used in construction, structural fabrication, machinery manufacturing and general industrial projects. It provides practical strength, good weldability, stable pipe shape and economical material cost.
Compared with galvanized pipe or stainless steel pipe, black carbon steel round pipe is usually more cost-effective for indoor structures, welded frames, machinery parts and projects where later painting, coating or galvanizing will be applied. It can be cut, welded, drilled, threaded, bent, painted or coated according to different production and installation requirements.
Henan GDD supplies carbon steel round pipes in welded, ERW, seamless and customized types. We support steel distributors, construction companies, machinery manufacturers, scaffolding suppliers, fencing producers, agricultural projects and global industrial buyers.
| Item | Specification |
|---|---|
| Product Name | Black Carbon Steel Round Pipe / Carbon Steel Round Tube |
| Shape | Round / Circular |
| Pipe Type | ERW Welded Pipe, Seamless Pipe, HFW Pipe, Customized Steel Pipe |
| Material Grade | Q195, Q235, Q345, Q355, ASTM A53, ASTM A500, ASTM A106, S235, S275, S355 or Customized |
| Standard | ASTM, EN, JIS, BS, GB, API or Customized |
| Outer Diameter | 10 mm – 610 mm or Customized |
| Wall Thickness | 0.6 mm – 40 mm or Customized |
| Length | 5.8m, 6m, 11.8m, 12m or Customized |
| Surface Treatment | Black, Light Oiled, Painted, Galvanized, Pickled, Anti-corrosion Coating |
| Pipe End | Plain End, Beveled End, Threaded End, Grooved End or Customized |
| Processing Service | Cutting, Threading, Drilling, Welding, Bending, Coating |
| Inspection | MTC, Dimension Inspection, Surface Inspection, Third-party Inspection |
| Application | Construction, Structure, Machinery, Scaffolding, Fence, Handrail, Water Transmission |
| Packing | Bundle Packing, Steel Strips, Plastic Caps, Waterproof Packing |
| Trade Terms | FOB, CFR, CIF, EXW |
Carbon steel round pipe is a steel pipe made mainly from carbon steel material and formed into a circular hollow section. It can be produced by welding carbon steel strip or coil into pipe shape, or by seamless pipe production process depending on the application and technical requirement.
The round pipe structure provides good pressure distribution and smooth connection performance. It is commonly used for structural supports, frames, pipe systems, machinery parts, scaffolding, fencing, handrails and fabricated steel components.
Black carbon steel round pipe is supplied with the original black steel surface. Light oil, paint, galvanizing or anti-corrosion coating can be added when better rust protection or outdoor use is required.
ERW carbon steel round pipe is made by electric resistance welding. It has stable dimensions, good weld quality and efficient production cost. It is widely used for construction, scaffolding, fences, handrails, greenhouse structures, furniture frames, machinery and low-pressure transmission applications.
Seamless carbon steel round pipe has no welded seam and is often selected for applications requiring higher pressure resistance, better uniformity or specific engineering requirements. It is commonly used in machinery, fluid transmission, equipment manufacturing and industrial pipe systems.
Structural round steel pipe is used for load-bearing and support applications. It can be used in columns, frames, braces, guardrails, platforms, roof supports, machinery frames and steel structure projects.
For outdoor applications or better surface protection, carbon steel round pipe can be painted, hot-dip galvanized or coated with anti-corrosion treatment. These options are suitable for fences, scaffolding, handrails, agricultural structures and exposed environments.
Carbon steel round pipe is widely used in construction and industrial manufacturing because it is strong, economical and easy to process.
In construction projects, it can be used for structural supports, scaffolding tubes, temporary facilities, handrails, guardrails, roof frames and building components.
In machinery and industrial fabrication, it is commonly used for machine frames, equipment supports, rollers, shafts, welded components, conveyor systems and general metal parts.
For fencing and agricultural applications, carbon steel round pipe can be used for fence posts, gate frames, greenhouse supports, livestock facilities, irrigation supports and farm equipment.
It is also suitable for furniture frames, sign posts, safety barriers, storage racks, low-pressure pipe systems and many other applications requiring circular steel tube material.
Carbon steel round pipe provides reliable strength and stability for frames, supports, scaffolding, handrails and general structural components.
The pipe can be cut, welded, drilled, threaded, bent and connected with fittings. It is suitable for both factory fabrication and on-site installation.
Black carbon steel round pipe is a cost-effective option for construction and manufacturing projects, especially when painting or coating will be applied later.
ERW welded pipe, seamless pipe, structural pipe and customized steel pipe can be supplied according to different application requirements.
Black surface, light oiled surface, painted surface, galvanized surface and anti-corrosion coating can be selected according to indoor, outdoor or project-specific needs.
Outer diameter, wall thickness, length, steel grade, pipe end and packing method can be customized according to customer requirements.
Carbon steel round pipe usually refers to black or oiled steel pipe without zinc coating. It is suitable for indoor fabrication, machinery structures, welded frames and applications where surface coating will be applied later.
Galvanized round pipe has a zinc-coated surface and provides better corrosion resistance. It is more suitable for outdoor structures, fencing, scaffolding, handrails and humid environments.
For cost-sensitive indoor use, black carbon steel round pipe is usually a practical choice. For outdoor or long-service applications, galvanized round pipe is recommended.
ERW round pipe is commonly selected for construction, structures, scaffolding, fencing, furniture, machinery frames and general fabrication. It offers good dimensional accuracy and competitive cost.
Seamless round pipe is more suitable for applications requiring higher pressure resistance, stronger uniformity or specific engineering standards. It is often used for machinery, fluid transmission, equipment parts and industrial systems.
The best choice depends on working pressure, pipe size, wall thickness, application environment, project standard and budget.
Henan GDD can supply carbon steel round pipes with different surface treatments and processing services. Common surface options include black steel, light oiled surface, painted surface, galvanized surface, pickled surface and customized anti-corrosion coating.
Processing services can include cutting to length, threading, grooving, drilling, welding, bending, beveling and coating. Pipe ends can be supplied as plain ends, beveled ends, threaded ends or grooved ends according to connection requirements.
Henan GDD is a reliable steel material supplier with experience in steel pipe supply, structural steel products, processing, inspection, packing and export service. We provide carbon steel round pipe solutions for construction companies, steel structure factories, machinery manufacturers, scaffolding suppliers, fencing producers, agricultural projects and global steel distributors.
We support custom pipe sizes, multiple steel grades, flexible surface treatments, cutting service, pipe end processing, inspection documents and international shipment. From quotation to production, inspection, packing and loading, our team can provide one-stop export support for your carbon steel round pipe orders.
Before shipment, Henan GDD can arrange inspection according to customer requirements. Inspection items may include outer diameter, wall thickness, pipe length, straightness, weld seam appearance, surface condition, pipe end quality, bundle quantity and total weight.
For project orders, hydrostatic test, flattening test, bending test, coating inspection and third-party inspection can also be arranged according to standards or buyer specifications. MTC, quality documents, inspection photos, packing photos and loading photos can be provided with shipment.
Carbon steel round pipes are usually packed in bundles with steel strips. Plastic caps, waterproof wrapping, lifting belts, labels, customer marks and customized export packing can be provided if required.
Standard lengths such as 5.8m, 6m, 11.8m and 12m can be arranged according to container loading requirements. Shipment can be handled by container, bulk vessel or customized logistics method depending on order quantity, pipe length and destination port.
Carbon steel round pipe is used for construction, steel structures, scaffolding, fencing, handrails, machinery frames, agricultural facilities, water transmission and general industrial fabrication.
Carbon steel round pipe usually has a black or oiled surface and is suitable for indoor use or later coating. Galvanized round pipe has zinc coating and provides better corrosion resistance for outdoor use.
Yes. ERW welded round pipe, seamless round pipe and customized carbon steel pipe types can be supplied according to customer requirements.
Yes. Outer diameter, wall thickness, length, steel grade, surface treatment, pipe end and packing method can be customized.
Please provide pipe type, outer diameter, wall thickness, length, steel grade, surface treatment, pipe end, quantity, destination port and trade terms.
Yes. MTC, quality documents, inspection photos, packing photos, loading photos and third-party inspection can be provided according to order requirements.
Yes. Black, oiled, painted, galvanized, pickled and anti-corrosion coated surfaces can be supplied according to application environment and project needs.
Looking for carbon steel round pipes for construction, scaffolding, machinery or industrial fabrication?
Send us your required pipe type, outer diameter, wall thickness, length, quantity and destination port. Henan GDD will provide a professional quotation and suitable shipping solution.
