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Standard Length Welded Carbon Steel Round Tube/Pipe

Carbon steel round pipe is a durable and versatile tubing solution widely utilized in construction, industrial, and mechanical applications. Known for its high strength and excellent resistance to wear and tear, carbon steel round pipe is made from a combination of iron and carbon, which enhances its mechanical properties. It is commonly used for transporting water, gas, and oil, as well as for structural and support purposes in buildings and infrastructure. Its ease of welding, cutting, and forming makes it a practical choice for various projects, providing long-lasting performance and reliability in demanding environments.
Outer Diameter:
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  • Steel Round Pipe/Tube

Product Name  Seamless steel pipe with low price for construction
Material Q345
Shape Round Shape
Standard ASTM, BS, DIN, GB, JIS
Grade SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9
Usage Construction Structure


DN OD ASTM A53 / API 5L BS1387 / EN10255
SCH10S STD  SCH40 SCH80 Light Medium Heavy
15 21.3 1/2" 2.11 2.77 3.73 2 2.6 -
20 26.7 3/4" 2.11 2.87 3.91 2.3 2.6 3.2
25 33.4 1" 2.77 3.38 4.55 2.6 3.2 4
32 42.2 1-1/4" 2.77 3.56 4.85 2.6 3.2 4
40 48.3 1-1/2" 2.77 3.68 5.08 2.9 3.2 4
50 60.3 2" 2.77 3.91 5.54 2.9 3.6 4.5
65 73 2-1/2" 3.05 5.16 7.01 3.2 3.6 4.5
80 88.9 3" 3.05 5.49 7.62 3.2 4 5.0
90 101.6 3-1/2" 3.05 5.74 8.08

100 114.3 4" 3.05 6.02 8.56 3.6 4.5 5.4
125 141.3 5" 3.4 6.55 9.53
5.0 5.4
150 168.3 6" 3.4 7.11 10.97
5.0 5.4
200 219.1 8" 3.76 8.18 12.7

250 273.1 10" 4.19 9.27 15.09

We produce high-grade seamless aluminum tubing
According to the processing method is divided into extrusion seamless aluminum tube, cold drawn precision seamless aluminum tube,rolling seamless aluminum tube. Among them, the cold drawing precision of seamless aluminum tube with high precision, good surface
The Main Process of Seamless Aluminum Tube:
Seamless aluminum tubes are produced by piercing extrusion, while conventional aluminum tubes are usually extruded by a combined
die. Aluminum Alloy seamless tube production principle and process production using the short rod, high temperature, slow speed
extrusion process, especially to control the “three temperature”, aluminum rod extrusion cylinder, and die to keep clean, aging time and temperature are adjusted according to the thickness and diameter of the wall.
Cold Drawn seamless aluminum Tube (pipe):
In the beginning, a drawn structural tube goes through the same process as an extruded tube. However, where an extruded tube is cooled after it is forced through the die, the drawn tube is sent through a second die. This process is called cold drawing or cold working, and it is here that the final dimensions of the product are determined. A drawn tube is just as suitable for transporting gases or liquids under pressure as a seamless extruded tube.a seamless extruded tube is brought to final size by drawing through a die. Closer size tolerances and thinner wall thicknesses
than that of extruded tube are available.

Raw Materials Mild Hollow Section Red Coated Round Carbon Steel Pipe Price
Raw Materials Mild Hollow Section Red Coated Round Carbon Steel Pipe Price



Shanghai Changzeng Metal Co., Ltd. was established in 2006. It is a professional steel factory in Shanghai. We mainly sell angle steel, H beam, steel channel, round steel, square steel, steel wire, PPGI coil and so on.
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