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Your Position: Home - Steel Wire Mesh - How to Buy best TMT Steel or Understand primary and ...

How to Buy best TMT Steel or Understand primary and ...

Author: Ruby

Sep. 09, 2024

How to Buy best TMT Steel or Understand primary and ...

We all know that steel is a very important metal in the world of building and construction. But what you might not know is what the difference is between steel TMT Per Kg and Steel TMT Per Piece? In this article, we will be going over the differences and how to buy steel TMT per kg or per piece.

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TMT steel bars are equipped with U bent or straight bars. The size of the TMT steel bars is 40 feet.

Usually with civil engineers who advise contracts for the purchase of TMT bars in pieces, bundles, or barrels. Dimensions also vary depending on the construction of the building. For example, the mainboard needs a 10 mm / 12 mm rod, for distribution it can be 8 mm / 10 mm for a tree it can be 16 mm and 12 mm depending on the span. Some important points about TMT Bar Weight

The standard length of the sticks is 12 meters

According to IS : , the authorization of TMT bars must be complied with by the IS Directive

TMT bars produced in various diameters

8mm,10mm,12mm,16mm,20mm,25mm,28mm,32mm,40mm

TMT Bars Weight can be expressed in kilograms, quintals, or tonnes

1 Quintal = 100 kilos 1 ton = kg

Bundle Weight: Approx. 85 kg.

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How to calculate weight of a steel bar

To determine the mass of steel per square meter, the formula is D * D / 162. D is the diameter of the crossbar in meters, and the mass is calculated in kilograms.

For example, if the section weight is 8mm. Then the mass of the penis per square meter &#;

8 * 8/162 = 0.396kg

The weight of the TMT strip can be calculated using the following:

W = T * T * L / 162

Where W is the weight of the candle in kilograms, D is the diameter of the candle in millimeters and L is the length of the candle in meters.

Now let&#;s calculate the weight of a standard 8mm bar. According to the formula

w = 8 * 8 * 12/162

W = 4.74kg

With TMT tapes, this weight can vary by up to 7%.

We calculate the weight of another rod with a diameter of 25 mm and a length of 12 meters. formula same &#;

b = 25*25*12/162

So W = 46.29 kg

a formula can be used to calculate the weight of any TMT strap, as long as the diameter and length are specified and the steel used meets the specified standards.

Size(dia)As per ISI (Kg/mt) Actual Weight Approx (Kg/mt) Weight per   TMT Bar (Kg)Approx. piece   per Bundle8mm0.395 (+/- 7%)0.375 &#; 0..10mm0.617 (+/- 7%)0.590 &#; 0..12mm0.888 (+/- 5%)0.85 &#; 0..16mm1.578 (+/- 5%)1.52 &#; 1..20mm2.466 (+/- 5%)2.36 &#; 2..25mm3.853 (+/- 3%)3.75 &#; 3..32mm6.313 (+/- 3%)6.1 &#; 6..

What is the price of steel TMT per kg?

Steel TMT is a type of steel that doesn&#;t need to be annealed. Steel TMT prices vary depending on the size and quantity of the order.

Certification: 

Check that the steel bars you buy have national certifications such as ASTM A706, JIS G, BS9, ASTM A615, JIS G and IS 32 (mild steel bars), IS (high-strength deformed steel bars). Etc Certification assures you of the quality as well as the credibility of the manufacturer.

Primary steel

Primary steel is obtained from a steelmaking process is known as the Basic Oxygen Furnace (BOF) process. This process converts iron ore into chunks of iron that are used to make steel bars. steel bars are manufactured using the world-class technique on a  fully automatic high-speed rolling mill with horizontal and vertical supports.

In primary steel, there are uniform veins with deeper grooves made on CNC machines. Thus, giving it maximum rib area, providing a strong and stable bond to the concrete, creating a stronger structure.

With big construction and tall buildings, it is always a good idea to use base steels or steels such as Fe500D and Fe550D, while the letter &#;D&#; stands for ductility, giving steel rebar a higher percentage of elongation.

Secondary steel

Secondary steel production usually takes place in an electric arc furnace. The main raw material for the production of reinforcing steel is steel scrap. That&#;s why it&#;s called secondary steel. The secondary bars are usually rolled in a locally produced rolling mill

The ribs of the secondary steel are created using a local rib cutting process performed with hand tools. This in turn gives it an unsuitable flank area which leads to poor bonding with the concrete.

Innovations in the steelmaking process have led to improvements in the production of secondary brand steels. Primary steel is preferred for homes, but if you have good options, branded secondary steel is available. Saves money.

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Top 10 TMT steel bar brand

  • Tata Tiscon SD TMT Band
  • Essar steel 
  • Jindal Panther TMT Band
  • Sail Steel TMT Band
  • Kamdhenu TMT Band
  • Syam TMT bars
  • Rathi TMT bars
  • SRMB TMT steel bars
  • JSW Neo steel TMT bars
  • Electrosteel

What is meant by Rebar? Different types of Reinforcement Bars?

What is meant by Rebar? Different types of Reinforcement Bars?

If you are planning to look at what is needed for your new concrete construction project then you will find this blog useful. Steel Reinforcement bars or rebar play a major role in construction purposes so it is important to know its features due to which it is widely utilised all around the world. Reinforcement bars are used to provide deep foundations and are currently the world&#;s primary building material that they would like to get their hands on for construction purposes. In this blog, we will discuss the meaning of rebar, types of reinforcement bars and where you can get them with utmost reliability. So, to get fully aware of the topic you need to give a read till the end because every line will add to your knowledge.  

Rebar or Reinforcement Bar

Rebar is a process which is known as steel reinforcement bars, it holds up the concrete construction by establishing a great binding with the steel. This prevents heavy construction from falling or cracking as it supports the building and concrete structures. Rebar provides strength to the concrete structure which can result in safe and strong buildings. It is the most utilised way of keeping everything together in heavy construction areas. Steel reinforcement bars are used in heavy construction applications because they bond well to concrete, however, their bonding with the concrete may vary depending upon the structures or shapes they ate steel used for the cause. They are strong and relatively cost-effective. Reinforcement bars are available in the market in different grades and sizes, you can choose the ones you need according to your specific requirement. There are plenty of steel bar exporters and suppliers in India where you can find the one you need. 

Types of Reinforcement bars

Mild Steel Bar

Mild steel bars have an enclosed outer plain body in structure and are round in shape. They do not form a great bonding with concrete. Mild steel bars contain low carbon steel content and contain no significant quantities of anything except iron and ferrite. Mild steel bars are available in the marketplace in sizes ranging from 6 millimetres to 50 millimetres. Mild steel bars can be used in expansion joints, contraction joints, runway areas, column spirals etc. They are used only to deliver a special purpose. Mild steel bars can easily be cut and bent without any damage, but due to the plain outer surface it has, a good bonding cannot be established between the concrete and steel. Due to this factor, it slips away which can lead to casualties or other problems. It also offers less strength. The use of mild steel bars is inexpensive compared to other steel bars.    

Deformed Steel Bar

Deformed steel bars are the kind of bars that possess a rough surface and not a plain one. These bars have ribs and ridges on their surface that make the deformed bars more useful and frictional. Due to the rough surface and ribs like structure, it forms a high bonding and great strength with the concrete. This provides more friction and has less slippage phenomenon due to which these can not be easily pulled out of the concrete.  

Thermo Mechanically Treated Bars(TMT Bars

Thermo Mechanically Treated Bars are hot treated bars that are made up of two layers when talking about structure. It has a core layer and an outer layer. The core layer is a soft layer that is formed of ferrite pearlite and the outer layer is formed of tempered martensite.

Thermo Mechanically Treated bar has great tensile strength and elongation strength, this is what makes it special. It has higher temperature resistance due to which it can withstand temperatures up to degrees Celsius and has low carbon content. This makes it best suited for construction purposes.  

High yield Strength Bar (HYSD Bar)

High yield strength deformed bars are also known as cold twisted steel bars. These bars contain higher carbon content than mild steel bars. These bars have ribs on the surface that provide a better grip that makes them best suited for heavy construction projects. It will result in safe and secure construction work as it has outstanding bonding strength. It also offers increased tensile strength and is malleable which makes it easy to work with. These bars make a good bonding with the concrete and do not lead to the slippery cause.    

Carbon steel bar

Carbon steel bar is made of carbon steel and is known as black bar due to the colour carbon possesses. It is the most common type of rebar that is used for construction purposes. It is cheaper in rates and easily available in the market. However, it is important to know that it only works well when there is no moisture as it is uncoated so it corrodes or oxidises quickly when come in contact with moisture. Anti-corrosive property is the most important factor to consider in any kind of material. It is the strongest type of rebar that is still a favourite with engineers for construction purposes. 

Epoxy-coated Rebar

Epoxy-coated rebar is a special type of bar that is coated with epoxy on reinforcement to protect it from getting affected when it comes in contact with moisture. Epoxy-coated reinforcement bars are used to deliver the corrosion-resistant purpose. It is a highly effective corrosion protection system for reinforcement. Epoxy-coated rebar is used for construction buildings, industrial foundations, bridges, highway barriers, etc.  

Stainless steel Rebar

The best kind of reinforcement bar is stainless steel rebar, it is highly resistant to corrosion and the best rebar of all. These are expensive but deliver the best work than any other kind of rebar high resistance area. This is why stainless steel rebar is used in multiple concrete structures. It provides great welding capability and high strength which is why it is most widely used irrespective of the fact it is expensive.

Grades of Reinforcement Bars 

Grading ensures that you are buying the right choice of product. It tells how consistent a product is and will it work well in the long run. The reinforcement bars have got grading after going through various assessment levels, the best grades of reinforcement steel bars so far are Fe 500 D, Fe 550 D, Fe 600.  

Guide to Steel Rebar & Its Uses

If you&#;re planning a project that uses cement or concrete, you probably know that steel rebar plays a big role and typically runs through the pieces of concrete. But why is rebar necessary, how do the different types of rebar vary, and what do the different sizes mean? Read on to find out.

What is rebar?

Steel rebar, or reinforcing bar, are rods that are used in concrete construction to create reinforced concrete. They are usually ribbed to prevent slipping within the concrete and provide a number of benefits, such as improving the structural strength of concrete projects.

Why rebar is important

Concrete has a very high compression strength, but relatively low tensile and torsional strength. Steel helps with this by providing high strength in those areas, while helping to prevent the formation and spread of cracks that could destroy the whole project. In addition, steel is the best material for rebar use because of its similar thermal expansion properties to concrete, avoiding many issues relating to temperature change.

Types of rebar

While people may refer to &#;rebar&#; as a single product, there are actually different types that are made from different steels that provide different benefits and work best in different situations.

Carbon Steel Rebar

&#; The most common type of steel rebar, carbon steel provides a strong and versatile material at a relatively economical price for a variety of projects and applications.

A615 Grade 60

&#; One of the best types of carbon steel rebar is A615 due to its strength and cost-effective price point. Grade 60 specifies that the rebar has a minimum yield strength of 60ksi (60,000 pounds per sq inch).

Learn more about our A615 rebar stock here.

Xingtai Steel contains other products and information you need, so please check it out.

A706 Weldable

&#; If welding is required, A706 rebar is a more suitable option due to it being a low-alloy steel. This specification is particularly recommended for capacity-protected structures.

Learn more about our A706 rebar stock here.

Galvanized Rebar

&#; Like with other galvanized steel products, this rebar is coated in zinc togreatly enhance its corrosion resistance properties and will typically last longer than untreated steel.

Stainless Steel Rebar

&#; In situations where zinc can&#;t be used to galvanize the rebar but corrosion is still an issue, stainless steel will occasionally be used as a substitute but is significantly more expensive.

Epoxy-Coated Rebar

&#; As its name suggests, this steel rebar (usually carbon steel) is coated in epoxy. This gives corrosion resistance at an economical price, but the delicate coating can be damaged by shifting subgrade or concrete sections.

Glass Fiber Reinforced Polymer (GFRP) Rebar

&#; An alternative to steel rebar, GFRP is made from fiberglass and has high corrosion resistance and tensile strength, but also price.

European Rebar

&#; Generally the least-recommended type of rebar, this is made from manganese and bends much easier than steel or fiberglass rebar. European rebar is also measured in different formats and units than the other types we have discussed.

How is rebar made?

One of the most eco-friendly steel products available, most steel rebar is made from recycled scrap metal (up to 97%). The scrap metal is melted down in a furnace before being shaped into billets. They&#;re then hot rolled into steel bars and tooling is used to create the ridges along the steel. The final step is cutting to length and allowing to cool.

What is rebar used for?

As mentioned earlier, steel rebar is primarily used in concrete structural applications. These include floors, walls, pillars, and other projects that involve carrying heavy loads or aren&#;t supported well enough for just concrete to hold. Beyond these uses, rebar has also developed popularity in more decorative applications such as gates, furnishings, and art.

How to read steel rebar sizes

Rebar size charts often have a designation number associated with each specification, but it might not be clear to everyone what that means. The number of a piece of rebar can be thought of as 1/8&#; in diameter. For example, that means that #4 rebar is 0.5&#; (or 4/8&#; or 1/2&#;) in diameter and #5 rebar is 0.625&#; (or 5/8&#;) in diameter.

 

WHAT IS A REBAR, AND WHAT ARE ITS SEVERAL TYPES AND USES?

The term rebar may have come up when planning and buying materials for a concrete or cement construction project. But what exactly is rebar? What exactly does it contribute to your project that makes it so essential? Are the various kinds necessary for your project? To get you started, here's a brief overview of the basics of rebar.

Concrete is reinforced with steel bars to help it withstand tension forces. Although concrete is naturally resistant to compression forces, tension pressures can cause it to break. However, plain rebars are also used when the reinforcing steel is expected to slide, such as in highway pavement and segmental bridges.

 

What is a Rebar?

Rebar is a steel bar that is used in the construction of concrete structures. Reinforced concrete is created by adding these reinforcing steel bars. Rebar helps keep fractures from causing the project to break apart, whether in the shape of floor slabs, walls, or posts. Even though all concrete fractures, rebar, and reinforcing materials aid in controlling the location and amount of the cracks. It also gives the project structural strength.

 

Uses of rebar

Gives Stability to Concrete 

While poured concrete is a stable material in and of itself, it requires other elements to strengthen its stability. The goal is to create a concrete structure, such as a pillar or a wall, that is sturdy enough to sustain high compression levels. Because of the additional support, every component of a concrete pillar would be stabilized. Steel rebar, in addition to the previously desired steel features, can give an extra layer of protection due to its greater tensile strength.

Reduce the usage of thick layers of concrete 

It's very typical for more significant constructions to utilize more concrete, especially if it's the most common type of construction material. However, not every undertaking necessitates the use of such amounts. Reinforcing bars can be used to minimize the amount of poured concrete used. This is not only a practical option, but it is also an aesthetically pleasing one. With the use of rebars, your driveway will appear less bulky and more stable.

To Prevent Cracking

As stated previously, reinforced bars increase the overall structural integrity of concrete pillars, for example. It's not difficult to assume that these pillars would be subjected to many types of weather-related factors throughout time, such as rain or drastic temperature variations. The rebar improves the poured concrete's capacity to endure these elements and other severe changes. Buildings' structural integrity is critical in every area, as it allows them to maintain their shape and form while also avoiding potential safety concerns and hazards.

It Offers Longevity

It should go without saying that rebars provide a longer lifespan to any building. Chemical processes are used to modify the chemical architecture of steel and the already appealing features of this type of material. For example, annealing is a heat treatment process used to enhance steel's flexibility and tensile strength. As a result, when this form of raw building material is included in a concrete structure, the structure can withstand enormous loads and other types of weights.

Allowing cost-efficient solutions

A steel rebar's qualities might have a beneficial blow impact in any form of construction or industrial project. Despite being regularly exposed to low temperatures, a cold-storage warehouse using concrete pillars impregnated with steel rebars would not need consistent repairs or checks. This enables them to save money and avoid budget blowouts due to something that might have been avoided.

 

Types of Rebar

Welded Wire Fabric

Welded wire fabric comprises a series of steel wires arranged at right angles and electrically welded at all points where the steel wires intersect. In slab-on-ground slabs, welded wire fabric, often known as WWF, can be used when the ground has been adequately compacted. Welded wire cloth with a heavier fabrication can be used in walls and structural floor slabs. Road pavements, box culverts and drainage systems, and small concrete canals are examples of this.

Tempered steel rebar

Tempered steel rebar, often known as carbon steel rebar or black bar, is the most widely used rebar. It is less costly than other rebar forms, but it corrodes more quickly.

Carbon Steel Rebars

 This is the most prevalent rebar, also known as the "black bar." It's incredibly versatile, but it corrodes more readily than other varieties, making it unsuitable for high-humidity environments or constructions that are constantly exposed to water. However, many people believe that carbon steel rebars are the best alternative for all other forms of construction.

Sheet-Metal Reinforcing Bars

Sheet-metal reinforcement is often used in the building of floor slabs, staircases, and roofs. Sheet-metal reinforcement is made of annealed sheet steel components bent into one-sixteenth-inch deep corrugations with holes punched at regular intervals.

Stainless steel rebar

For areas where strong corrosion resistance is necessary or for essential structural components, stainless steel rebar replaces carbon steel as concrete reinforcing material. Carbon steel corrosion is caused by a combination of concrete carbonization and chloride diffusion, in which chlorides infiltrate the concrete due to deicing chemicals such as chloride-based salts or by exposure to seawater splash. The corrosive substances react with the steel, resulting in the production of rust, which can increase up to 6-7 times its initial volume. 

Expanded Metal or Wire Mesh

Another suitable concrete reinforcing option is expanded metal or wire mesh reinforcement. Shearing a sheet of steel into parallel lines and then expanding it to form a diamond or square shape between each cut produces expanded metal. Expanded metal is widely utilized as reinforcement in regions where a thick layer of plaster is required and to strengthen light concrete structures. 

Epoxy-Coated Rebars

Epoxy-coated rebars are costly and are only utilized in regions where saltwater will be present or where corrosion would be an issue. The only problem is that the coating might be fragile at times, so make sure you get those bars from a trusted source.

Fiberglass Rebar

Fiberglass rebar, also known as fiberglass-reinforced polymer rebar or Glass Fiber Reinforced Polymer (GFRP) rebar, is a structural reinforcing bar made of a fiberglass resin wrapped around a fiberglass roving - an interlaced network of glass fibers. The main benefit of fiberglass rebar is that it will never rust due to salt or other environmental factors. In addition, as compared to steel rebar, fiberglass rebar offers a stronger tensile strength, a considerable weight reduction (75 percent lighter than steel).

Threaded Rebar

Threaded rebar, also known as jumbo rebar, has single or double threaded ends to allow conventional UNC fasteners for holding goods in place, comparable to anchor bolts. Threads can be cut by first cutting down the rebar to generate a turned-down section with the same diameter as the rebar deformation at its lowest point, then rolling or cutting the thread.

Basalt Rebar

Basalt rebar is made from basalt, an inert volcanic rock with several benefits over normal steel rebar. Basalt rebar is 2-3 times stronger than steel rebar and weights around a fifth of the same diameter product. Basalt rebar is electrically and thermally non-conductive, non-hygroscopic, and corrosion-resistant.

Conclusion

This article presented an overview of a few of the most prevalent types of rebar used in construction to increase concrete's tensile strength.Despite its simple appearance, Steel rebar has a significant influence on the ability of several constructions to maintain their shape for extended periods. The benefits of this type of steel cannot be overstated, as seen by its widespread use in various procedures. Hopefully, the material in this article has provided you with enough information on the usage of rebar for your future thoughts and attempts.

 

We rely on robust High Strength Thread Bar,Hot Rolled Reinforcing Steel Bars,Black steel rebar,Thread Bar technology

Are you interested in learning more about a706 rebar? Contact us today to secure an expert consultation!

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