Steel Ribbed Rebar HRB400
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Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
6 | 28.27 | 0.222 | 2.664 |
8 | 50.27 | 0.395 | 4.74 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
Usage and Applications of HRB400 Deformed Steel Bar:
Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..
Packaging & Delivery of HRB400 Deformed Steel Bar:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
- Q: 4E DG 164 is a steel grade 3 steel, DG steel, E is what mean
- 4 means HRB400, that is, hardness.E stands for seismic reinforcement.DG is da-gang.16 is the diameter 16mm.
- Q: Are there any limitations on the use of steel rebars in flexural members?
- Yes, there are some limitations on the use of steel rebars in flexural members. These limitations include factors such as the size and shape of the rebars, the spacing between them, and the quality of the steel used. Additionally, the design and construction codes and standards set specific guidelines for the use of rebars in flexural members to ensure structural integrity and safety.
- Q: How do steel rebars affect the overall sound insulation of a building?
- The overall sound insulation of a building is not directly affected by steel rebars. Steel rebars serve to reinforce concrete structures and offer strength and stability in construction. Sound insulation is primarily determined by the materials and design of walls, floors, and ceilings, as well as the correct installation of acoustic barriers and insulation materials. Although steel rebars can transmit sound to a certain degree due to their density, their impact on sound insulation is usually insignificant when compared to other factors. To achieve sound insulation in buildings, it is necessary to utilize materials with excellent sound absorption properties, such as acoustic insulation panels, mineral wool, or soundproofing barriers.
- Q: What is the role of steel rebars in tunnel lining construction?
- The role of steel rebars in tunnel lining construction is to reinforce the concrete structure and provide added strength and durability. They help distribute the load and prevent cracks or collapses, ensuring the stability and long-term integrity of the tunnel.
- Q: What is the lifespan of steel rebars in different environments?
- The lifespan of steel rebars can vary depending on the environment they are exposed to. In general, steel rebars have a long lifespan and can last for many decades in most environments. However, in harsh or corrosive environments such as coastal areas with high salt content or industrial areas with chemical exposure, the lifespan may be reduced. Proper maintenance and protective measures, such as coatings or cathodic protection, can significantly increase the lifespan of steel rebars in these environments.
- Q: Can steel rebars be used in composite construction?
- Yes, steel rebars can be used in composite construction. Steel rebars are commonly used in reinforced concrete structures, which are a type of composite construction. The steel rebars provide tensile strength to the concrete, making it more durable and capable of handling structural loads.
- Q: How are steel rebars classified based on their yield strength?
- Steel rebars are classified based on their yield strength into different grades or classes, such as Grade 40, Grade 60, and Grade 75. The yield strength represents the amount of stress a rebar can withstand before it starts to deform permanently. Higher yield strength rebars can bear greater loads and are therefore used in applications that require stronger reinforcement.
- Q: How are steel rebars different from steel mesh?
- Steel rebars and steel mesh are both made from steel, but they differ in their shape and purpose. Steel rebars are long, cylindrical bars with ridges or deformations along their surface, designed to provide strength and reinforcement to concrete structures. They are typically used in construction projects to increase the tensile strength of concrete and prevent cracking or collapsing. On the other hand, steel mesh consists of interconnected wires that form a grid-like pattern. It is primarily used as a reinforcing material in areas that require a large amount of coverage, such as slabs, walls, or foundations. Steel mesh provides structural support and helps distribute load evenly, reinforcing the concrete against potential stresses. In summary, while both steel rebars and steel mesh serve the purpose of reinforcing concrete, they differ in shape and application.
- Q: Are steel rebars recyclable?
- Yes, steel rebars are recyclable. Steel is a highly recyclable material, and rebars, being made of steel, can be easily recycled and reused in various industries. Recycling steel rebars helps conserve resources, reduces waste, and contributes to a more sustainable and eco-friendly construction industry.
- Q: What are the limitations of using steel rebars in construction?
- There are several limitations of using steel rebars in construction. Firstly, steel rebars are prone to corrosion in certain environments, especially if they are exposed to moisture or chemicals. This can weaken the rebars over time and compromise the structural integrity of the building. Additionally, steel rebars are heavy and require heavy machinery to transport and install, which can increase construction costs. Moreover, steel rebars have a high thermal conductivity, which can lead to energy loss and affect the energy efficiency of the building. Finally, steel rebars are not suitable for certain specialized construction applications, such as in areas with high electromagnetic fields or where non-magnetic properties are required.
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Steel Ribbed Rebar HRB400
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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