Sino Green New Energy Tech Co Ltd
Home / News

Hot Dip Galvanized C Purlin for Steel Structure, named by its economic section "C" shape. It is made of good quality galvanized steel strips by the method of cold-bending formed. The surface treatment are galvanized or bare. It has many advantages compared with traditional structural steel, such as light weight, excellent performance cross-section, high-strength and so on. C purlin is used for wall purlin and roof purlin systems on steel structure site.

 Galvanized steel according to the different zinc plating process can be divided into hot dip zinc steel channel and hot galvanized steel channel .Hot dip galvanized steel is a kind of effective metal anticorrosive method, mainly used for metal structure on the facilities of the industry , which put steel after rust removal into melting liquid zinc in 440 -460 C ,so that the steel memeber is attached to the surface of the zinc layer, so as to the purpose of anti corrosion.

The purlin is the supporting structure of the steel structure roof and wall retaining system, and it is subjected to constant load and live load (wind load, snow load, etc.). The calculation of the purlin is an important part of the whole structure calculation. Its specifications, materials, anti-corrosion durability and installation determine the safety of the structure and affect the actual bearing capacity of the purlin system. The flatness of the purlin determines the flatness of the cladding system, especially the wall, and determines the aesthetic effect of the wall.

Channel steel is a conventional production component that is generally manufactured from hot-rolled steel. It has a wide and flat surface and also has flanges at right angles on both sides. The outer edge of C channel steel is clearly angled and has radius corners. The channel steel offers durability, and its broad and flat surface is perfect for attaching items and offering support. In its most widespread form, C channel steel is used to hold bridge decks and other heavy gadgets. This steel can absorb flex and other forces that can break more rigid I-beams and H-beams. Steel channel is a versatile product that is obtainable in various sizes and widths. Its cross-section is formed similar to a squared-off C, which has a straight back and two vertical branches on the top and bottom. Some varieties of C channel steel have short inward-facing edges to the end of the extensions, which makes the structure more tough. Other types of the channel have holes for bolting purposes. Compared to other structural steel products, C channel steel is thinner and insignificantly flexible.

Various sizes and uses

C channel steel comes in a variety of dimensions and thicknesses. Hence it is widely used in many industrial applications. One of the most common applications of this channel steel is for frame supports in automotive manufacturing. The pieces of this channel steel are joined together to form a box-like structure. They can be joined with the broad and flat surfaces to produce an I-beam. The versatility of the C channel structure empowers productions to be more productive as compared with I-beams and other steel components. The C channel steel also makes different structures comparatively lightweight. It also ensures strength and rigidity for machinery frames and various manufacturing applications.

Resistance property

The C channel steel is also advantageous for outdoor applications. This steel has additional amounts of nickel, copper, or chromium, which is making it more resistant to corrosion. The combination of lightweight and corrosion resistance makes it an outstanding option for towers, construction equipment, light poles, and many other objects. This C channel steel is suitable to use in any environmental condition.

Steel Channels are cross-sectioned metal devices with a square C shape. It has a straight back and two perpendicular extensions at the top and bottom. It is a hot-rolled product. It is basically a vertical web with flanges at the top and bottom. Steel Channels can be found in varying sizes and thicknesses. It is an ideal component for making braces and frames for structures.

What are the common applications of a Steel Channel?

Steel Channels can be seen in these common applications:




Vehicle Frames

Metal Buildings

Let’s learn about these Applications briefly:


Steel Channels are often used as a supporting component for walls. Structural walls are primarily supported using metal channels. They are popularly used for large warehouses, garages, and workshops. Steel channels provide strong vertical support. They are planted within the ground and can support a great amount of weight. Steel Channel support makes the walls extremely durable and sturdy. Steel channels can also be used as a joining component or an attachment when used horizontally. The Steel Channels are extremely strong and remain untethered unless an extreme external force is applied.


Lately, Steel channels are seen to be used in light-duty roofs. They provide ultimate support for roof decks. Although steel channels seem to be light in weight, they are extremely strong and durable. They have great intrinsic strength. Steel channels can support large structures and heavy loads.


Aesthetic structures that use layered designs need great support. Wooden framed structures are very visually pleasing but have no self-support. Steel channels are used to provide beam support to these structures. Using steel channels increases the rigidity and durability of the structure. These channels are the perfect support system. They not only provide extra strength but also enable seamless easy attachment of various components to the wooden beam.

Metal Building:

Steel Channels happen to be a major component in huge metal structures. Steel channels and I beams are used to construct huge commercial, industrial, and residential buildings. Steel channels are versatile and can be used as braces, joints, grids, studs, etc. Steel Channels are the main supporting component for metal structures. They are welded or bolted in place. They provide durability and sturdiness to the structure.

Door and Window Frames:

These channels are used to make secure frames for windows and doors. They can be used in wooden and metal frames. The flat surface of the channel enables sliding of the doors and windows. Steel channels are a much safer and more viable option compared to wooden frames. Steel channels are often seen in frames of basement doors and commercial fire doors.


23rd, Floors, Science and Technology Finance Buildling. No.5, Meiyuan Road, Xiqing District, Tianjin,China.


Sino Green New Energy Tech Co Ltd