Rebar also known as reinforcement steel and reinforcing steel, is a steel bar or mesh of steel wires used in reinforced concrete and masonry structures to strengthen and hold the concrete in tension. To improve the quality of the bond with the concrete, the surface of rebar is often patterned.
Nominal Diameter (mm) |
Cross-Sectional Area (mm2) |
Mass Per Meter run (kg/m) |
Pieces Per Bundle(12m) |
Nominal Weight Per Bundle (M+-) |
Deviation Over and Under The Nominal Mass Per Meter Run (%) |
10 |
78.50 |
0.616 |
138 |
1.022 |
+-6.5% |
12 |
113.10 |
0.888 |
96 |
1.023 |
+-4.5% |
16 |
201.10 |
1.579 |
54 |
1.024 |
|
20 |
314.20 |
2.466 |
34 |
1.008 |
|
25 |
490.90 |
3.854 |
22 |
1.016 |
|
32 |
804.20 |
6.313 |
14 |
1.060 |
|
40 |
1256.60 |
9.864 |
9 |
1.065 |
|
50 |
1963.50 |
15.413 |
6 |
1.110 |
|
Steel bars, also known as reinforcing bars or rebars, are essential components in construction, utilized as tension devices within reinforced concrete and masonry structures. Their purpose is to fortify and enhance the strength of the base material, typically concrete, against tension forces.
Rebars are ubiquitous in construction due to their pivotal role in providing structural support and stability. Their significance extends beyond construction, finding applications in various industries such as military equipment manufacturing, shipbuilding, paper production, and architectural endeavors.
The utilization of steel bars is driven by their remarkable strength, versatility, and cost-effectiveness, rendering them indispensable across diverse sectors. They serve as primary and secondary reinforcements in concrete structures, ensuring structural integrity and durability.
Primary reinforcement involves deploying steel bars to uphold the overall structural resistance against designated loads. Secondary reinforcement, on the other hand, capitalizes on the durability and aesthetic appeal of steel bars to mitigate cracking and withstand stresses induced by factors like temperature fluctuations.
Moreover, steel bars may be employed to distribute concentrated loads, enhancing localized resistance and stiffness to mitigate stress concentration. Additionally, they are utilized to support and align other groups of steel bars to optimize load distribution.
In essence, the widespread use of steel bars underscores their paramount importance in bolstering the integrity and longevity of various structures across industries.
Steel Bar vs. Steel Rebar – Steel Fabricator in Steel bars are crafted to withstand tension forces within concrete, strengthening its tensile capabilities. In contrast, rebar consists of deformed steel bars engineered to enhance the bond between concrete and steel.
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