carbon steel round pipe

Internationally certified carbon steel round pipes here. 15 years of production experience, we have multiple production lines to support large batch or small quantity orders. Fast delivery, support deep processing of steel pipes, sold at factory price. View more about it.

Carbon steel round tube is a hollow cylindrical tube made of carbon steel. Carbon steel is an alloy consisting primarily of iron and carbon, with small amounts of other elements such as manganese, silicon, and copper. The round tube shape refers to the cross-sectional shape of the tube, which is circular. Carbon steel round pipes are available in various sizes and thicknesses to meet different requirements. They can be produced by processes such as seamless or welded manufacturing.

ItemSeamless Carbon Steel TubeCarbon Steel Welded Tube
Outer Diameter32-630 mm (Hot-rolled)
5-200 mm (Cold-drawn)
10-200 mm (Longitudinal Welded)
10-600 mm (Spiral Welded)
Wall Thickness2.5-75 mm (Hot-rolled)
2.5-12 mm (Cold-drawn)
0.5-10 mm (Longitudinal Welded)
1-20 mm (Spiral Welded)
LengthCan be Customized6m /12m

Gnee has a large inventory of carbon steel round pipes, which allows to meet customers’ needs and deliver products in a timely manner. This avoids delays in project progress due to shortages. Our inventory management system is highly precise, ensuring inventory accuracy and real-time updates. Whether it is mass production or individual customized needs, Gnee can provide quick responses, which brings convenience and confidence to customers.


7 days for stock goods/ within 30-50 days / depending on your order quantity

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D.

  • Bundles
  • Wooden Boxes
  • Crates
  • Packaging as customer’s requirements

Available, welcome to consult

A) Full Service: Pre, In, After
B) 15+ Years Exp.Global Export
C) 365 Days Always Online
D) Large-scale Reserve
E) Diversified Logistics Solution

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Carbon Steel Round Pipe For Sale
  • Provide wide sizes from small to large, for example 12mm, 15mm,18mm and more. Also can be customized according to customer requirements.

Carbon steel round pipe manufactured by Gnee has the following advantages:

  • Great Ability to Withstand Pressure
  • Highly Durable
  • High Strength
  • Cost-effective Solution
round-pipes

Gnee have carbon steel round pipe of different sizes for you to choose.

round-pipe-sizes
  • Conveyor System
  • Structural Engineering
  • Machining Equipment
  • Auto Industry
  • Heat Exchanger
  • Building Decoration
round-pipe-usages
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Details Of Gnee Carbon Steel Round Pipe

(1) Hot rolling (extruded seamless steel pipe): round tube billet → heating → piercing → three-roll cross rolling, continuous rolling or extrusion → tube removal → sizing (or reducing) → cooling → straightening →Hydrostatic test (or flaw detection) → marking → storage
(2) Cold drawn (rolled) seamless steel pipe: round tube blank→heating→perforation→heading→annealing→pickling→oiling (copper plating)→multi-pass cold drawing (cold rolling)→blank tube→heat treatment→Straightening→hydrostatic test (flaw detection)→marking→warehousing

Why Choose Gnee Carbon Steel Round Pipe?
Gnee’s carbon steel round pipe is distinguished by its superior quality, performance, and compliance with strict industry standards. At Gnee, we prioritize customer satisfaction and strive to meet our customers’ needs and exceed their expectations. Our round carbon steel pipes are manufactured using high-quality materials and advanced production techniques. We employ stringent quality control measures to ensure that each pipe meets the highest industry standards. The result is a durable and reliable product that provides long-lasting performance.
certificate

In addition, our carbon steel round pipe has been successfully exported to more than 60 countries such as Vietnam, Malaysia, Indonesia, Pakistan, UAE, and South Korea, etc. Many regular customers visit our company and factory and make multiple orders.

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What Services Does Gnee Provide?

Gnee can provide the following measurement services for carbon steel round pipe:

1. Dimensional measurement: Measure the dimensional parameters such as length, width, and thickness by measuring instruments to ensure the pipe is qualified and meets the design requirements.
2. Surface measurement: Measure parameters such as flatness, unevenness, and surface roughness of the carbon steel round pipe surface to help ensure that the quality and surface state of the pipe meet the requirements.
3. Thickness measurement: Use a thickness measuring instrument to accurately measure the thickness of the carbon steel round pipe to ensure that it meets the design requirements.
4. Material measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the product to ensure that the quality and performance meet the requirements.
5. Bending and Deformation Measurements:The degree of bending and deformation of the steel pipe is measured and monitored by using tools such as bending measuring instruments and displacement sensors to ensure that it is within the allowable range.

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Gnee can customize the size and shape of steel pipes for your project according to specific project needs. The custom design of the carbon steel round pipe is carried out by a professional engineer and design team. Based on the requirements and constraints of the project, they will use calculation and simulation tools, combined with experience and technical knowledge, to optimize the steel pipe design to meet the specific needs of your engineering.

● According to the strength requirements of structural design, adjust the thickness, width, and length of carbon steel round pipes.
● The shape of the steel pipe can be designed according to the characteristics of the project.
● If you consider the convenience of installation and maintenance, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.

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Purchasing Gnee carbon steel round pipe can provide the following deep processing services. We can customize according to the specific needs of customers to meet the requirements.

Cutting service: Carbon steel round pipe can be custom cut to obtain the desired shape and size according to the needs of customers. For example, flame cutting, plasma cutting, laser cutting, etc., can cut steel pipes into required blocks, special-shaped parts.
Bending and forming: Round carbon steel pipes are bent and formed by stress application and appropriate processes to obtain the desired shape.
Welding service: Round carbon steel pipe can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Turning and machining of holes: Turning and machining of holes in round carbon steel pipe by using machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface treatment: In order to improve the corrosion resistance and aesthetics of the steel pipe, surface treatment can be carried out. This includes methods such as spraying, hot-dip galvanizing, electroplating, etc. to add a protective layer and provide corrosion resistance.

Ask Deep Processing Services

Gnee round carbon steel tube can provide the following testing services through third-party testing agencies. These third-party testing services can provide independent, objective verification that round carbon steel tube comply with relevant standards and regulations.

Material chemical composition analysis: Through chemical composition analysis, determine whether the composition of the steel pipe meets the standard requirements.
Mechanical performance test: Mechanical performance test includes tensile test, impact test, bending test, etc., which determine whether the mechanical properties such as strength, toughness and ductility of products meet the specified requirements.
Metallographic testing: Through metallographic testing, check the structure, grain size, non-metallic inclusions, etc. of round carbon steel tubes to evaluate their quality and performance.
Corrosion performance test: Through the corrosion performance test, evaluate the corrosion resistance of round carbon steel tubes, including salt spray corrosion resistance, chemical corrosion resistance, etc.
Hardness test: Hardness test is used to measure the hardness of round carbon steel tube, and its strength and wear resistance can be evaluated according to the hardness value.
Ultrasonic flaw detection: Ultrasonic flaw detection is used to detect internal defects of pipes, such as cracks, pores, inclusions, etc.

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