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Transmission Angle Steel Tower with Single Circuit

Transmission Angle Steel Tower with Single Circuit

Transmission Angle Steel Tower with Single Circuit

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Materials:Steel
Style:Independence Tower
Nominal Height:58m
Ground Wire Type:Opgw-150
Package:Standard Package or According to Your Request
Usage:Tension Tower, Linear Tower
Certification:ISO, GS
Standard:Standard
Structure:Customized
Wire Type:4*Lgj-400/35
Specification:SGS or according to your drawings

Production Process:Raw material test → Cuttingj →Molding or bending →Welidng (longitudinal )→Dimension verify →Flange welding →Hole drilling →Calibration → Deburr→Galvanization or powder coating, painting →Recalibration →Thread →Packages

 

Kehang is specialized in making angle steel tower,steel pipe/tube,power transmission tower (10KV-1000KV),telecom tower and rich experience in large crossing tower and a variety of steel structure of production. We have physical properties laboratory, chemical analysis laboratory to test our products’ quality (we also can do impact test if you need). Meanwhile we strictly control every part’s quality of the entire manufacturing process. In the producing process, we also check parts, detection and welding quality.

 

Parstower

Transmission Angle Steel Tower with Single Circuit

What’s the difference between Tubular Towers and Angular tower

What’s the difference between Tubular Towers and Angular tower

 What’s the difference between Tubular Towers and Angular tower ?

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The question of whether to use angular or tubular towers is always at the background of every project, the answer is not straight forward, because each type of tower is suitable to certain applications. As apparent from Mer Telecom’s line of telecom towers, we have incorporated both designs in order to supply cost effective towers to a wide variety of applications.

What’s the Tubular Steel Poles

Tubular steel poles are another of the major types of transmission towers. They are made up of hollow steel poles. Tubular steel poles can be manufactured as one large piece, or as several small pieces which fit together.

What’s the Lattice Steel Tower?

Lattice steel towers are made up of many different steel structural components connected together with bolts or welded. Many different types of lattice steel towers exist. These towers are also called self-supporting transmission towers or free-standing towers, due to their ability to support themselves. These towers are not always made of steel; they can also be made of aluminum or galvanized steel.

: Angular VS Tubular Comparison Table

 

Angular Towers

Tubular Towers
Members are available in several steel grades Better weight/strength ratio
Members are available in many sizes Lower wind drag brings to smaller foundations
Material is usually less expensive More efficient cross section for buckling
Available in 90° sections, can be bent to 60° Less eccentric connections brings to smaller elements
Fabrication is less expensive (no welding) Large variety of sizes
Transportation is more efficient (better weight/volume ratio) Transportation is more expensive
All surfaces are exposed to the galvanization process All tubes must be open ended to ensure complete galvanizing on the inside

Angular sections are preferred for most small towers with relatively light loads, mainly because of the wide range of sizes, simple connections and low manufacturing cost.

For bigger towers and heavier loads, tubular sections are becoming more useful and more economical. While the costs do differ from one telecom towers manufacturer to another, it is true that the cost of manufacturing is significantly higher, mainly because of the welding process, but the weight to strength ratio is much lower than in angular sections.

Kehang steel tower company’s products mainly include communication towers, radio towers, monopole, portable signal tower, Angular and Tubular Towers,camouflage tree tower, Telecommunication Tower, Communication Tower, Microwave Tower, Angle Steel Tower, Steel Pole,steel tower lightning protection and grounding devices, electricity power transmission tower and substation infrastructure etc.

 What’s the difference between Tubular Towers and Angular tower?

Self Supporting Hot Dip Galvanized Angel Steel Communication Tower

Self Supporting Hot Dip Galvanized Angel Steel Communication Tower

Self Supporting Hot Dip Galvanized Angel Steel Communication Tower

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Mounting Height:3-12M

Shape of Pole:Round conical; Octagonal conical; Straight square; Tubular stepped; Polygonal

Shafts are made of steel sheet that folded into required shape and welded longitudinally by automaticarc welding machine

Brackets:Single or double brackets are in the shape and dimension as per customers requirement

Welding:Welding confirms with international welding standard of CWB

Base plate mounted:Base plate is square or round in shape with slotted holes for anchor bolt and dimension as per customers requirement

Ground mounted:The length buried underground as per customers requirement

Galvanizing:Hot dip galvanization with thickness of 80-100µm average

Material
Normally Q345B/A572, Minimum Yield Strength ≥ 345 N/mm²
Q235B/A36, Minimum Yield Strength ≥ 235 N/mm²
As well as Hot rolled coil from ASTM A572 GR65, GR50, SS400, or any other standard by client required.

The Hot Dipped Galvanized Lattice Angle Steel Power Transmission Line Towers have to pre-assembled before and after hot dip galvanized, to ensure all the details are finished as your design and requirment, and your in-site operation can go on smoothly.

Raw material test → Cutting →Welding →Dimension verify →Hole drilling →trial assemble → surface clean→ Galvanization or powder coating ,painting →trial assemble→Recalibration →Packaging

Communication Angle Steel Tower

Communication Angle Steel Tower

Communication Angle Steel Tower

Angle Steel Tower for Power Transmission 2

:Angle Steel Tower product description

The angle steel tower is an iron tower whose main body is made of angle steel. It is the most common type of communication angle tower and is now spread all over the country.Communication angle towers are widely used in telecommunication networks. These towers are freestanding structures and do not require external support for stability. Self support towers are three legged towers or four legged towers.

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: Product performance characteristics

.Strong structure, high safety performance.
High design height, strong load capacity, and strong wind resistance.
Low cost, short processing cycle, convenient transportation and installation.

Model NO.:
Material
Angle Steel
Color
according to requirement
Standard
Standard

First, the advantages and disadvantages of the angle steel tower

The quadrangular angle steel tower is the most commonly used communication tower structure in China. Its advantages are simple connection structure, convenient processing and installation, easy to control quality, and a solid and thick appearance. Due to the smaller slewing radius of the angle steel, in order to control the slenderness ratio of the rod members, and to reduce the free length of the components, a sub-divisional web rod is set up and many auxiliary rods are added, thus increasing the amount of steel used. In addition, the angle coefficient of the angle steel is larger, and the auxiliary member without force increases the windage area of ​​the tower, resulting in a much larger wind bending moment than the steel pipe tower, and the amount of steel used and the basic construction cost are also relatively large.

Second, the angle tower facade selection

The communication angle tower is a cantilever structure, and the rational selection of the tower body facade is parabolic. It is generally more economical when the ratio of the bottom opening (side width) to the height is from 1/5 to 1/6. When the communication angle tower of 50 to 60 meters in height has a bottom side width of 8 to 10 meters, the overall construction cost is relatively low. If the space at the bottom of the tower is reduced due to site constraints, the material for the webbing is shortened and the weight is reduced, but the basic cost is increased. The overall cost may increase. Therefore, in determining the selection of structural facades, when the tower height is determined, the bottom span of the tower can be selected according to the geological conditions and the size of the wind load. When the foundation is poor and the wind pressure is large, the tower bottom span is large and can be reduced. Tower’s overall investment.

The width of the top side of the quadrangular angle tower is generally 600mm, so that the platform for installing the communication antenna will not be displaced too much. If the outer ladder is used, the upper side of the angle tower should be no less than 1000mm.

The shape of the angle tower should also be considered as beautiful as possible. Parabolic modeling requires that the slope of the tower be gradually reduced from the bottom to the top. The curve of the entire tower should not have a large abrupt change, and the slope of the diagonal bar is more reasonable than 45′.

Third, the angle tower tower structure

The angle steel tower pylons generally use single angle steel, the upper force adopts Q235 steel in the small town, and the lower force can use Q345 steel, which is selected according to the height of the communication angle tower and the size of the wind pressure. Theoretically, the column length to thin ratio A ≤ 150, the actual choice is best not to exceed 120, because the slenderness ratio of large plants, the stability of the compression column A is small, the increase in the column stress is not cost-effective. The use of sub-divisional web arrangements can reduce the slenderness ratio of the column.

Angle steel transmission tower

Angle steel transmission tower

Angle steel transmission tower

Angle Steel Tower for Power Transmission 1

 In the 1980s, many countries in the world began to apply steel pipe profiles to the structure of iron towers when developing UHV transmission lines. Steel pipe towers with steel pipes as the main material of the towers appeared.

In Japan, almost all of the 1000kV ultra-high voltage lines and towers use steel tube towers, and their research on the design of steel rods is very thorough. Drawing on foreign experience, domestic steel pipe profiles have also been used in the 5OOkV double-circuit iron tower and the same tower four-circuit tower, which shows its good performance and benefits.

The advantages are as follows: First, the wind pressure of the tower body can be reduced (the shape coefficient of the member is almost double that of the angle steel); secondly, when the cross-sectional area is equal, the radius of gyration of the round tube is about 20% larger than that of the angle steel. Third, the structural load-bearing capacity is improved. Generally speaking, the steel pipe tower is reduced by 10%-20% compared with the angle steel tower; at the same time, the number of bars can be reduced, the tower construction period can be shortened, and the structure is diversified. However, the use of steel pipes also has the disadvantages of limited specifications of steel pipe profiles, poor quality outside, and high price. At the same time, the joints between the steel pipes are complicated in structure and low in production efficiency.

Angle steel is widely used in various construction and engineering structures, such as transmission towers, house beams, bridges, lifting and transportation machinery, ships, container racks and warehouse racks. At present, Xuanhua Steel Co., Ltd. has the production capacity of nearly 2,000 specifications of National Standard Angle Steel, State Grid Angle Steel and South Net Angle Steel. The products are mainly sold to Southwest, East China, South China, Shandong, Northeast and other regions. In 2010, Xuanhua Iron and Steel began supplying angle steel to the State Grid Corporation. At the beginning of 2011, Xuanhua Iron and Steel Co., Ltd. signed a 200,000-ton angle steel frame agreement with State Grid Corporation. It is the only manufacturer in China that has signed a framework agreement with it. Today, the State Grid Corporation’s large-size Q345B and Q420B angle steels are all supplied by Xuanhua Steel, accounting for the national grid. The company’s total demand for angle steel is more than 10%. As of the end of June, Xuanhuan produced a total of 77,778 tons of national grid angle steel.

Angle stee(Angle steel transmission tower)l: commonly known as angle iron, is a long strip of steel that is perpendicular to each other on both sides, with equal angle steel and unequal angle steel. The sides of the equiangular steel are equal in width. The specifications are expressed in millimeters of side width × side width × side thickness. For example, “∠30×30×3” means an equilateral angle steel with a side width of 30 mm and a side thickness of 3 mm. It can also be expressed by model number, the model number is the number of centimeters of the side width, such as ∠3#. The model does not indicate the size of the different side thicknesses in the same model. Therefore, the side width and thickness of the angle steel are filled in the contract and other documents, and the model is not to be used alone. The specification of hot rolled equal angle steel is 2#-20#. Angle steel can be composed of various force-receiving members according to the different needs of the structure, and can also be used as a connecting member between the members. Widely used in a variety of building structures and engineering structures, such as beams, bridges, transmission towers, lifting and transport machinery, ships, industrial furnaces, reaction towers, container racks and warehouse shelves.

Angle steel, commonly known as angle iron, is a long strip of steel that is perpendicular to each other on both sides. There are equal angle steel and unequal angle steel. The sides of an equilateral angle are equal in width. The specifications are expressed in millimeters of side width × side width × side thickness. For example, “∟30×30×3” means an equilateral angle steel with a side width of 30 mm and a side thickness of 3 mm. It can also be expressed by model number, the model number is the number of centimeters of the side width, such as ∟3#. The model does not indicate the size of the different side thicknesses in the same model. Therefore, the side width and thickness of the angle steel are filled in the contract and other documents, and the model is not to be used alone. The specification of hot rolled equal angle steel is 2#-20#. Angle steel can be composed of various force-receiving members according to the different needs of the structure, and can also be used as a connecting member between the members. Widely used in a variety of building structures and engineering structures, such as beams, bridges, transmission towers, lifting and transport machinery, ships, industrial furnaces, reaction towers, container racks and warehouses.

angel steel Tower structure
The whole tower is mainly composed of three parts: the tower head, the tower body and the tower leg. If it is a pull tower, it also adds a wire drawing part.
Tower head
The section from the tower leg to the upper tower changes sharply (the fold line appears). The above part is the tower head. If there is no sharp change in the section, the lower part of the lower cross arm is the tower head.
Tower leg
The first section of the tower above the base is called the tower leg.
Tower body
The part between the tower leg and the tower is called the tower body.

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Angle steel transmission tower

Angle Steel Tower for Power Transmission

Angle Steel Tower for Power Transmission

Angle Steel Tower for Power Transmission

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Spefications of Angle Steel Tower for Power Transmission

Material:Usually Q345B/A572, minimum yield strength>=345n/mm2
Q235B/A36, minimum yield strength>=235n/mm2
As well as Hot rolled coil from Q460, ASTM573 GR65, GR50, SS400, SS490, to ST52
Height:5m to 30m or other height customer requirement
Suit for Electric Power Distribution Transmission Steel Tower
Shape Conoid, Multi-pyramidal, Columniform, polygonal or conical

Strength 2.5KN, 5KN, 8KN, 10KN, 12KN

Thickness:1mm to 30mm
Production Process:Raw material test → Cuttingj →Molding or bending →Welidng (longitudinal )→Dimension verify →Flange welding →Hole drilling →Calibration → Deburr→Galvanization or powder coating, painting →Recalibration →Thread →Packages

Welding
We have passed flaw testing. Internal and external double welding makes the welding beautiful in shape
Welding Standard: AWS ( American Welding Society ) D 1.1

surface treatment Hot DIP galvanized Following ASTM A 123, color polyester power or any other standard by client required

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Angle Steel Tower for Power Transmission

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Angel Communication Tower

Angel Communication Tower

Angel Communication Tower

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An angle steel tower (also call as lattice tower) is a framework construction made of steel sections. Commonly, those types of products use Hot Dip galvanized way to prevent rust, the Zinc layer thickness according to the surrounding environment of the installation point and the customer requirements.

Materials: Steel
Material Standard: Q235, Q345, Q420 or According To Your Standards
Bolts and Nuts: Standard Material or According To Your Standards
Surface Treatment: Hot-DIP Galvanized
Shape: Angle steel
Structure: According to Your Requirements
Height: According to Your Parameters
Life time: 50 years at least
ISO9001:2008,OHSAS 18001,iso14001

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4 Legged Telecommunication Tower 1

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parstowerco

4 Legged Angular Telecommunication Tower

4 Legged Angular Telecommunication Tower

4 Legged Angular Telecommunication Tower

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4 Legged Angular Telecommunication Tower

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Tubular tower appeared year 2001 in China. The main pier is made from tubular, auxiliary part made from pipe and angel steel.
The advantage of tubular tower:
1. Reduce the weight by 10%–20%
2. Reduce the wind press of the tower
3. Larger 20% rotation radius than angel tower.
4. Larger load capacity than angel tower.
5. Reduce 10%–20% material
6. Shorten preiod install
7. Structure diversification

The shortage:
1. More complex structure connection
2. Slower efficiency in production

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Height From 10M-100M or according to client’s requirement
Material Normally Q235B/A36,Yeild Strength≥235MPa
Q345B/A572,Yeild Strength≥345MPa
As well as Hot Rolled coil from ASTM572, GR65,GR50,SS400
Tolerance of the dimension According to client’s requirement
Surface treatment Hot-dip-galvanized following ASTM123, or any other standard by client’s requirement
Joint of Poles Slip joint, flanged connected
Standard ISO9001:2008
Welding Standard AWS(American Welding Society)D 1.1
Production Process Raw material test-cutting-bending-welding-dimension verify-flange welding-hole drilling-sample assemble-surface clean-galvanization or power coating /painting-recalibration-packages

4 Legged Angular Telecommunication Tower