Understanding the Grade of a Good-Quality TMT
Choosing steel category is important for the construction of any structure. Be it a residential building or commercial complex the grade of steel is an important parameter to define the quality of the construction. The grades of the steel are specified based on the specific project needs and requirements, such as load-bearing capacity, environmental conditions, and seismic activity. These requirement parameters vary from one steel structure to another, so is applied to the steel material grades. Before starting any project, it is essential to focus on the specific mechanical requirements of the project and select grade of the TMT to be used in the construction. As a leading steel dealer, supplier, and exporter, Shree Ji Steel Corporation is committed to fulfill your specific project needs by supplying TMT bars of different grades.
Steel Material Grades of TMT Bar
Based on the load-bearing capacity, tensile strength and other mechanical properties, the steel material grades change. TMT bars undergo a unique thermo-mechanical process to enhance their strength, ductility and other mechanical properties. However, the different steel material grades has their unique categories. Though the mechanical property changes based on steel material grades, but it has no effect in the calculation of TMT Bar weight. Irrespective of the materials grades of TMT, the outer layer of the TMT saria is hard. At the same time, the inner core remains soft that offers flexibility of the TMT bar, not affecting the tensile strength. This combination makes TMT bars a critical component in reinforced cement concrete (RCC) structures. It is essential to understand Composition materials of a Steel bar to understand their applicability and the variance of the materials in different grades of steel. The best grade TMT ensure longevity of the construction and elevates the safety standard.
Understanding TMT Bars
Standard Length: Typically, the length of TMT Iron bars is 12 meters (40 feet). However, they can be cut into various sizes as needed.
Diameters: TMT Steel bars are manufactured in different diameters to suit various construction needs. Common diameters include 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 28 mm, and 32 mm.
Weight Units: The weight of TMT bars can be expressed in kilograms (kg), quintals, or tons. Remember, 1 quintal equals 100 kg, and 1 ton equals 1000 kg.
Tolerance Standards: As per IS 1786:2008, the manufacturing of TMT Rods must adhere to specific tolerance guidelines.
If you’re interested in understanding the sectional weight of TMT Bars, here’s a weight chart you can use as a guideline.
Composition of the Materials Defining the Grade of Good Quality TMT bars
Chemical material composition of steel plays a crucial role to determine the properties of a TMT Bar such as strength, ductility, and other factors in various conditions. Carbon (C) is a key composition materials of TMT Saria to define the hardness and brittleness of Steel. The higher carbon content in a TMT Saria improves strength that reduces the ductility of the TMT bars. It is also an essential element to make the TMT less flexible. Another important element of TMT is Manganese (Mn), which enhances tensile strength and toughness. Silicon (Si) is used to strengthen and deoxidize the steel TMT without compromising ductility. Among all the composition materials of TMT Saria, Silicon is important to maintain a balance between flexibility and structural integrity. However, there some impurities like Sulphur (S) and Phosphorus (P) that negatively impact the ductility and weldability of the steel. The good grade TMT Bars have lower levels of impurities in the checmical composition. The sales experts of Shree Ji Steel always make you are about the quality of your preferred material, before placing any order with us.
TMT BAR WEIGHT CHART
Diameter in mm | Weight Per Meter In KG | Weight Per Foot in KG |
5.5mm | 0.154 | 0.05 |
8mm | 0.395 | 0.12 |
10mm | 0.617 | 0.19 |
12mm | 0.888 | 0.27 |
16mm | 1.580 | 0.48 |
20mm | 2.470 | 0.75 |
25mm | 3.850 | 1.17 |
28mm | 4.830 | 1.47 |
32mm | 6.310 | 1.92 |
Get the Latest Price of Best Quality TMT Steel Bars: Latest Price of TMT Bars
| Diameter in mm | Weight Per 12 Meter Pcs (weight In KG) | Number of Pieces in 1 Metric Ton Approx |
| 5.5mm Steel Bar Weight | 1.848 | 541 |
| 8mm Steel Bar Weight | 4.74 | 211 |
| 10mm Steel Bar Weight | 7.404 | 135 |
| 12mm Steel Bar Weight | 10.656 | 94 |
| 16mm Steel Bar Weight | 18.96 | 53 |
| 20mm Steel Bar Weight | 29.64 | 34 |
| 25mm Steel Bar Weight | 46.2 | 22 |
| 28mm Steel Bar Weight | 57.96 | 17 |
| 32mm Steel Bar Weight | 75.72 | 13 |
Different Grades of TMT Bars
The grades of TMT bars are classified based on the proportion of chemical components. The grades of TMT Bars are denoted as Fe followed by a number (such as Fe 415, Fe 500, etc.). This number after ‘Fe’ in grading of TMT refers to the yield strength of TMT Bar in N/mm². At Shree Ji Steel Corporation, we offer a range of TMT bars, each suited for specific construction needs. Below are the most commonly used grades of TMT bars:
Fe 415
Fe 415 TMT bars are ideal for smaller projects and it has yield strength of 415 N/mm². These bars are used mostly in the flexible designs with moderate extreme tensile strength. The Fe 415 TMT Steel category is a cost-effective choice and ideal for projects with limited budgets. The general standard of chemical components of Fe 415 grade TMT is-
- Carbon (C): 0.25% max
- Manganese (Mn): 0.60% to 1.25%
- Sulphur (S): 0.045% max
- Phosphorus (P): 0.045% max
- S + P (Combined): 0.085% max
- Silicon (Si): 0.15% to 0.35%
Fe 500
The Fe 500 grade is commonly used TMT bar in the construction industry. As the the grading of this TMT suggests, it has an yield strength of 500 N/mm². However, this TMT is perfect for a diversified applications and heavy-load structures. This Fe 500 Steel category has an excellent balance between strength and ductility that makes it as preferred choice for most structural projects. The general standard of chemical components of Fe 500 grade TMT is-
- Carbon (C): 0.30% max
- Manganese (Mn): 0.50% to 0.90%
- Sulphur (S): 0.040% max
- Phosphorus (P): 0.040% max
- S + P (Combined): 0.075% max
- Silicon (Si): 0.15% to 0.35%
Fe 550
Fe 550 grade TMT bar is attributed to have extra strength and higher durability. This Fe 550 Steel category has yield strength of 550 N/mm² with heavy-load-bearing capacity. The TMT Bar of Fe 550 grade are ideal choice for heavy industrial structures. It has ability to withstand high stress mto develop large-scale infrastructure development. The general standard of chemical components of Fe 550 grade TMT are-
- Carbon (C): 0.30% max
- Manganese (Mn): 0.50% to 1.00%
- Sulphur (S): 0.040% max
- Phosphorus (P): 0.040% max
- S + P (Combined): 0.075% max
- Silicon (Si): 0.15% to 0.30%
Fe 600
Fe 600 is the highest grade available in the TMT bar category. The Fe 600 grade TMT has an yield strength of 600 N/mm². TMT bars of Fe 600 categrory are used in highly demanding construction projects like long-span bridges, highways and skyscraper. These type of TMT bars offer maximum strength with lower flexibility compared to other grades. The chemical composition of Fe 600 grade TMT are-
- Carbon (C): 0.30% max
- Manganese (Mn): 0.50% to 1.00%
- Sulphur (S): 0.040% max
- Phosphorus (P): 0.040% max
- S + P (Combined): 0.075% max
- Silicon (Si): 0.10% to 0.35%
Practical Considerations:
- Accuracy: Ensure accurate measurements of length and diameter, as even small errors can lead to significant discrepancies in weight calculations.
- Type of Steel: Different grades of steel may have slightly different densities, which can affect the weight. However, for most practical purposes, the standard density value is sufficient.
- Bar Bending: If the TMT Saria are bent or have deformities, this might slightly alter the weight, but these differences are usually negligible for large-scale calculations.
- Batch Variations: There can be slight variations in weight between different batches of TMT Sariya, even if they are of the same size and brand.
The Basic Condition to Calculate the Weight of TMT Bar:
- Always ensure the accuracy of your measurements.
- For quick calculations, use online TMT weight calculators.
- Remember, the density can vary slightly based on the composition of the steel.
By following these points, you can easily calculate the weight of a TMT bar. This calculation is crucial for structural planning and ensuring the safety and stability of construction projects.
Conclusion
Grade of TMT bar is an important parameter before the selection of TMT Steel bar. Higher carbon content increases strength but reduces ductility. The other composition of TMT bars such as manganese enhances tensile strength and toughness. At the same time, silicon improves strength without compromising flexibility. The lower levels of sulfur and phosphorus improve ductility and weldability. Fe 500 is an ideal choice for most of the constructions projects. It offers the perfect combination of strength and flexibility. However, Fe 550 and Fe 600 are also preferred for specialized projects requiring additional strength.
Shree Ji Steel Corporation offers a comprehensive range of TMT bars to meet your specific construction needs. No matter whether you are in developing a single-story home or a massive industrial plant, you can rely on Shree Ji to deliver the highest quality steel products.
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