Q195 Q235 Construction ERW Black Welded Round Pipe
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Q195 Q235 Construction ERW Black Welded Round Pipe

Welded round pipe, also known as welded steel tube, is a cylindrical pipe created by joining steel edges through welding.They come in various sizes, thicknesses, and grades of steel for specific project needs. These pipes are cost-effective, easy to install, and can be connected using welding, threading, or flange connections.

Welded round pipe, also known as welded steel tube or welded circular pipe, is a type of pipe that is formed by rolling a steel strip or coil into a cylindrical shape and then welding the edges together using various techniques such as Electric Resistance Welding (ERW) or Submerged Arc Welding (SAW). This process creates a strong and seamless joint, making the ERW Steel Pipe a popular choice in the construction industry.

One of the variants of these pipes is the Hot Dip Galvanized Round Pipe, which undergoes a galvanization process to coat the steel with a layer of zinc, providing enhanced resistance to corrosion. This makes it an ideal option for outdoor or harsh environmental conditions.

Welded round pipes, including the Welded Black Round Pipe, are commonly used in industries such as construction, infrastructure, oil and gas, and automotive. They offer several advantages, including high strength, durability, and resistance to corrosion. These pipes are particularly cost-effective, which is why many projects seek out Low Price Round Pipe options without compromising on quality.

To cater to different project specifications, Customized Size Round Pipe services are available, allowing pipes to be made to exact dimensions required by the application. The versatility of these pipes is further enhanced by their ability to be connected to other pipes or components using various methods, including welding, threading, or flange connections.

The Low Carbon Welded Round Pipe is another popular choice, especially in applications where reducing the carbon footprint is a priority. These pipes are made from Q195 Construction ERW Black Welded Round Pipe and Q235 Construction ERW Black Welded Round Pipe materials, which are known for their good balance of strength and ductility.

In the construction industry, the Construction Industry ERW Black Welded Round Pipe and Construction Industry ERW Welded Round Pipe are extensively used for conveying fluids, providing structural support, and serving as casing pipes for underground pipelines. Their availability in a range of sizes, thicknesses, and grades of steel ensures that they meet the specific requirements of various projects.

In summary, welded round pipes, including ERW Steel Pipe and Hot Dip Galvanized Round Pipe, are cylindrical tubes that offer strength, durability, and versatility in a wide range of applications across various industries. With options like Low Price Round Pipe and Customized Size Round Pipe, as well as specific grades like Q195 and Q235, these pipes are a go-to choice for many construction and industrial projects.



Outer Diameter 10~610mm
Wall Thickness 0.95~17.75mm
Length 3-12M according to client requirement
Standard EN10025, EN10219, EN10210, EN39, BS1387,
ASTM A53, ASTM A500, ASTM A36, API 5L, ISO 65
JIS G3444,DIN 3444, ANSI C80.1, AS 1074,
GB/T 3091
Material Gr.A, Gr.B, Gr.C,
S235, S275, S355,
A36, SS400,
Q195, Q235, Q345
Certificate ISO 9001:2008,SGS, BV, CCIC etc
Finish of pipe Hot dipped galvanized with zinc 220~260g/m2;
Painted with black/varnish lacquer;
Oil on the surface to prevent rust;
Bare pipe without painting:
Epoxy painting/FBE coating/3PE coating
Pipe End Plain end/ Bevel end;
Threaded on two ends, one end with coupling, one end with plastic cap
Marking As per client requirement or mill standard
Packing OD not less than 273mm: Loose packing,piece by piece.
OD less than 273mm: In hexagonal seaworthy bundles packed by steel strips.
small sizes nested into big sizes.
Applications Construction / building materials steel pipe
Scaffolding pipe
Fence post steel pipe
Fire protection steel pipe
Greenhouse steel pipe
Low pressure liquid, water, gas, oil, line pipe
Irrigation pipe
Handrail pipe

Production Process 


Quality Inspection


Packing and Shipping



Q:Can I have a trail order ?
A:Of course ,we are gald to make a trail order to show our quality and service . Getting your satification ,
we can try more cooperation .

Q:Can I have a vist ?
A:Welcome your visiting ,we can communicate and exchange market information to develop more business.

Q:How many coutries you already exported ?
A:Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Iran, Turkey, Jordan, etc.

Q:How does your company do regarding quality control?
A:BV and SGS certificates, production process followed the ISO 9000 system.

Q:How long Can You Guarantee for This Product?
A:We will follow the order one year,if any problem,can contact us.

Providing high-quality steel products for 10 years , successfully developing over 50+ international markets and continuously developed more high-quality customers.As long as confirming our quality problem , implement the principle of 100% refund and compensation after receiving cargo, ensure the safety of customer funds, ensure customers achieve secure procurement

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