What Is Rebar Size and Rebar Diameters?
There are generally different sizes of rebar which defines the overall characteristics of that rebar, higher size of rebar means higher nominal diameter and higher weight and the lower size of rebar represents lower ones.
High-size rebar is generally used for heavy loads and lower size rebar is used for light loads.
Rebar diameter is the nominal diameter which is different in types, there are various diameter rebar is available in the market.
Higher diameter represents higher strength and the weight of that rebar is also high and lower diameter rebar is used in the light structures for light uses.
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Types of Rebars
There are various types of rebars, as detailed in this comprehensive rebar chart, which are listed below…
- Carbon steel rebar.
- Stainless steel rebar.
- Galvanized rebar.
- Glass fiber reinforced polymer (GFRP) rebar.
- Epoxy coated rebar.
- Welded wire fabric (WWF) rebars.
- Expanded metal rebar.
1. Carbon Steel Rebar
But with the high moisture exposure to the project the carbon steel rebar may not hold up well.
The carbon steel rebar, a key component in rebar sizing, is available in the market in various sizes that’s below- D10, D12, D16, D20, D25, D28, D32, D36, D40, 50, and also available in D60.
2. Stainless Steel Rebar
Nowadays, in construction, stainless steel rebar became a viable material and it is not cheap as carbon steel rebar.
The stainless steel rebar, known for its significant steel diameter, is generally used in constructing various structures like roads, bridges, piers, and it is used in much more heavyweight supporting structures.
The uses of stainless steel in the construction provide more durability from the carbon steel rebar because it can prevent corrosion in the structure and also provide long-lasting life to the structure.
The stainless steel rebar available in the market in various sizes that’s below- D10, D13, D16, D19, D22, D25, D32, D35, D38.
3. Galvanized Rebar
In the construction market of rebar, the galvanized rebar is one of the most expensive rebars that can deter corrosion like stainless steel because in the galvanized rebar a special water coating is added and it is also dipped into a zinc solution.
4. Glass Fiber Reinforced Polymer (GFRP) Rebar
A glass-fiber-reinforced polymer (GFRP) rebar is also called fiberglass rebar and it is also used for project which is exposed to the water.
Glass fiber reinforced polymer rebar is also free from corrosion and also from the traditional steel rebar, it has greater tensile strength.
This material is also shockproof of it has non-conductive electrical properties.
5. Epoxy Coated Rebar
In the high moisture or high humidity construction project the epoxy coated rebar is generally used.
In the rebar, the corrosion process is very slow because this rebar is coated with high thick epoxy.
But the epoxy coated rebar easily can be damaged or kept scratched during shipping on the construction site.
The use of epoxy-coated rebar in construction can decrease the construction cost of the structure.
6. Welded Wire Fabric (WWF) Rebar
The Welded wire fabric (WWF) rebar is made of welded low carbon steel wire with a grid pattern and compared to other materials it provides a different kind of name.
7. Expanded Metal Rebar
The Expanded metal rebar is a rebar that is similar to the welded wire fabric rebar and in diamond shape lines it creates a metal mesh.
From a single steel sheet, the mesh is made, that is expanded and expertly cut, and when we need remedy thick plaster to support the concrete then expanded metal rebar is generally used in the construction.
Another use of the expanded metal rebar is, it is used for walking surfaces and also sidewalks, but for heavyweight or heavy vehicle traffic it is not used.
Different Types of Rebar and Their Sizes
In construction, many types of diameter of rebar are used, the details of which are available in the following rebar sizes chart.
#3 Rebar Diameter
# 3 rebar diameters are generally used for highways, swimming pool frames, and also roads, which are made of carbon steel.
In this bar, the imperial bar size is #3 the soft metric size is #10 and also the weight per unit length is 0.561 kilograms per meter.
And the diameter of reinforcement bars and the nominal areas are 9.525 mm and 71 sq mm.
#4 Rebar Diameter
In this bar, the imperial bar size is #4 the soft metric size is #13 and also the weight per unit length is 0.996 kilograms per meter. The nominal diameter and the nominal areas are 12.7 mm and 129 sq mm.
#5 Rebar Diameter
In this bar, the imperial bar size is #5 the soft metric size is #16 and also the weight per unit length is 1.556 kilograms per meter.
The nominal diameter and the nominal areas are 15.875 mm and 200 sq mm.
#6 Rebar Diameter
The #6 rebar is commonly used in many things like, retaining walls, foundation construction, and repair and is also used in walls.
In the #6 rebar, the imperial bar size is #6 the soft metric size is #19 and also the weight per unit length is 2.24 kilograms per meter.
The nominal diameter and the nominal areas are 19.05 mm and 284 sq mm.
#7 Rebar Diameter
In this bar, the imperial bar size is #7 and also the weight per unit length is 3.049 kilograms per meter.
The nominal diameter and the nominal areas are 22.225 mm and 387 sq mm.
#8 Rebar Diameter
For medium to heavy commercial construction, the #8 rebar diameter is generally used because it has high-grade reinforcement and it is also used in a large number of projects that’s are, column and beams, shear walls, caissons, bridge abutments, retaining walls, sea walls, piers, footings and many more.
In this bar, the imperial bar size is #8 the soft metric size is #25 and also the weight per unit length is 3.982 kilograms per meter.
The nominal diameter and the nominal areas are 25.4 mm and 509 sq mm.
#9 Rebar Diameter
The #9 is used for commonly used for a wide range of demanding projects and also used for the construction of skyscrapers for stabilizing transfer slab, it is also effective in columns and beams, retaining walls, abutments, and bridges.
In this #9 bar, the imperial bar size is #9 the soft metric size is #29 and also the weight per unit length is 5.071 kilograms per meter.
The nominal diameter and the nominal areas are 28.65 mm and 645 sq mm.
#10 Rebar Diameter
#10 rebar is also used for heavy-duty construction projects because it has high tensile strength.
The nominal diameter and the nominal areas are 32.26 mm and 819 sq mm.
In this #10 bar, the imperial bar size is #10 the soft metric size is #32 and also the weight per unit length is 6.418 kilograms per meter.
#11 Rebar Diameter
The #11 rebar was also used for both concrete as well as steel structure and used in demanding the purpose of the construction.
The nominal diameter and the nominal areas are 35.81 mm and 1006 sq mm.
#14 Rebar Diameter
#14 rebar is generally used to provide stability in large construction projects like tall buildings, docks, parking structures and also for industrial facilities, etc.
The imperial bar size of #14 is #14 the soft metric size is #43 and also the weight per unit length is 11.41 kilograms per meter.
And the nominal diameter and the nominal areas are 43 mm and 1452 sq mm.
#18 Rebar Diameter
In the construction market #18 rebar is one of the strong and largest bars, which is generally used for constructing projects in the marine environment, bridges, etc.
The imperial bar size of #18 and the soft metric size is equivalent to 57 rebars and also the weight per unit length is 20.284 kilograms per meter.
And the nominal diameter and the nominal area are 57.33 mm and 2581sq mm.
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Rebar Size Chart and Rebar Diameter Chart
The rebar size and diameter chart is given below.
Nominal Diameter in (Mm)