Metallic Material Steel Rebar/ Deformed Steel Bar/Iron Rods for Construction Concrete
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 100000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Galvanized
Steel Grade:
Q235
Certification:
ISO,SGS,CE
Thickness:
6MM-50MM
Length:
12M
Net Weight:
100TONS
Metallic Material Steel Rebar/ Deformed Steel Bar/Iron Rods for Construction Concrete
Products Description:
Rebar is common known as steel reinforcing bar, usually applied to reinforced concrete and reinforced masonry structures. Formed from mild steel, it is given ribs for better frictional adhesion to the concrete. In other words rebar is an iron rod, a weldable plain reinforcing steel bar, that it can be also used for steel meshes.
1. Diameter: 5.5mm-10mm rounds reinforcing steel bar
10m- 40 rods reinforcing deformed steel bar
2. Length: 6m, 9m, 12m or customized
3. Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN. OEM technology - send detailed technical parameters for accurate quotation.
4. Produce Process: smelt iron - EAF smelt billet - ESR smelt billet - hot rolled or forged to get the steel round bar and plate
5. Heat Treatment: annealing, normalizing, tempering, quenching
6. Surface Treatment: Black
7. Quality Assurance: We accept third party inspection for all orders.
You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.
Theoretical weight and section area:
| 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 |
| 12 | 113.1 | 0.888 | 10.656 |
| 16 | 201.1 | 1.58 | 18.96 |
| 20 | 314.2 | 2.47 | 29.64 |
| 25 | 490.9 | 3.85 | 46.2 |
| 32 | 804.2 | 6.31 | 75.72 |
| 40 | 1257 | 9.87 | 118.44 |
| 50 | 1964 | 15.42 | 185.04 |
Technical Datas:
Grade | Technical data of the original chemical composition (%) | |||||
| C | Mn | Si | S | P | V | |
| ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
HRB400 | Physical capability | |||||
| Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | ||||
| ≥400 | ≥570 | ≥14 | ||||
Products Show:
Packages and Shipping:
| Packaging | A seaworthy pachaging or as per customer required |
| Shipping | 10- 30days after we receive 30% deposite |
FAQ:
1. Your advantages?
Professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2. Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3. Payment Terms?
30% TT as deposit and 70% before delivery. Or Irrevocable L/C at sight.
4. Trading Terms?
EXW, FOB, CIF, FFR, CNF
5. After-sale Service
We provide the services and support you need for every step of our cooperation. We're the business partner you can trust. For any problem, please kindly contact us at any your convenient time.
- Q:Do steel rebars have any impact on the fire resistance of a structure?
- Yes, steel rebars can have a significant impact on the fire resistance of a structure. Steel is a fire-resistant material that can withstand high temperatures without losing its structural integrity. When used as reinforcement in concrete structures, steel rebars provide additional strength and stability, making the structure more resistant to fire and preventing its collapse. The presence of steel rebars can help maintain the integrity of the structure during a fire and contribute to its overall fire resistance.
- Q:How do steel rebars affect the flexibility of concrete structures?
- Steel rebars play a crucial role in enhancing the flexibility and overall strength of concrete structures. When incorporated into concrete, rebars provide tensile strength, which is essential for resisting bending and stretching forces that can cause cracks or failure in the structure. Concrete is strong in compression but weak in tension. This means that it can withstand a significant amount of weight pushing down on it, but it is prone to cracking or breaking when subjected to pulling or stretching forces. By adding steel rebars to the concrete, its tensile strength is significantly increased, allowing it to better resist these tension forces. The presence of rebars in concrete structures allows them to distribute loads more evenly and efficiently. When subjected to external forces such as wind, earthquakes, or heavy loads, the rebars help to distribute the stress throughout the concrete, preventing concentrated stress points and minimizing the risk of structural failure. Furthermore, steel rebars also enhance the flexibility of concrete structures. By providing additional support and reinforcement, rebars allow the concrete to bend and flex to a certain extent. This flexibility is crucial, especially in areas prone to seismic activity or where excessive vibrations occur. Flexibility in concrete structures is essential as it allows the building to absorb and dissipate energy during earthquakes or other dynamic forces. Without the presence of rebars, concrete structures would be more rigid and prone to cracking or collapsing under such conditions. In summary, steel rebars greatly improve the flexibility and overall performance of concrete structures. By providing the necessary tensile strength and reinforcement, they enable the concrete to withstand bending, stretching, and external forces more effectively, reducing the risk of structural failure and ensuring the longevity and durability of the construction.
- Q:Can the bars of steel bars be replaced by round steel bars?
- Important stress parts should not be adopted. Reinforced surface made of thread, herringbone bond force is increased to crescent, steel and concrete, reinforced some parts if it is ends with a ribbed design can not bend, it is possible to design directly paste up, it is best to ask the design unit.
- Q:Can steel rebars be used in seismic-resistant structures?
- Yes, steel rebars can be used in seismic-resistant structures. Steel rebars have excellent tensile strength and ductility, making them an ideal reinforcement material for concrete structures in earthquake-prone areas. When properly designed and installed, steel rebars can help increase the structural integrity and resistance of buildings to seismic forces. They provide additional strength and flexibility to the concrete, allowing it to better withstand the lateral and vertical loads exerted during an earthquake. Moreover, steel rebars can effectively dissipate and absorb the energy generated during seismic events, reducing the potential for structural damage or collapse.
- Q:What are the advantages of using corrosion-resistant steel rebars?
- Corrosion-resistant steel rebars offer numerous benefits in construction projects. Firstly, they provide enhanced durability and longevity. Unlike regular steel rebars, which corrode easily when exposed to moisture and chemicals, corrosion-resistant steel rebars are designed to resist corrosion, ensuring a longer lifespan for the structure. This is especially advantageous in high-humidity environments, coastal areas, or regions with high pollution levels. Secondly, the use of corrosion-resistant steel rebars helps maintain the structural integrity of the building. Corrosion weakens rebars, leading to structural failures and safety hazards. However, by using corrosion-resistant steel rebars, the risk of corrosion-induced structural damage is minimized, ensuring the safety of occupants and the overall stability of the structure. Furthermore, the maintenance costs associated with corrosion-resistant steel rebars are significantly lower compared to regular steel rebars. Structures built with regular steel rebars require frequent inspections, repairs, and maintenance to prevent and address corrosion issues. However, corrosion-resistant steel rebars reduce the need for such maintenance, resulting in reduced costs over the structure's lifespan. Moreover, corrosion-resistant steel rebars offer increased flexibility in design and construction. These rebars possess properties that allow for the construction of thinner and lighter structures without compromising strength. This can lead to cost savings in terms of materials and construction time, making corrosion-resistant steel rebars a cost-effective solution. Lastly, the use of corrosion-resistant steel rebars contributes to sustainable construction practices. By increasing the structure's lifespan and reducing the need for maintenance, the environmental impact of the construction project is minimized. Additionally, the use of these rebars can contribute to obtaining green building certifications, promoting sustainable and environmentally-friendly construction practices. In conclusion, the advantages of corrosion-resistant steel rebars include enhanced durability, improved structural integrity, reduced maintenance costs, increased design flexibility, and the promotion of sustainable construction practices.
- Q:How do steel rebars prevent concrete structures from cracking under load?
- Steel rebars, also known as reinforcing bars, are crucial elements in concrete structures due to their vital role in crack prevention under heavy loads. Rebars contribute to the structural integrity and durability of concrete in several ways: 1. Reinforcement: Acting as tension members, steel rebars add strength to the concrete. Although concrete is strong in compression, it is relatively weak in tension. When a load is applied, rebars absorb the tensile forces and distribute them throughout the structure, reducing the risk of cracking. 2. Load transfer: By embedding rebars within the concrete, they facilitate the transfer of loads from one section to another. This mechanism ensures even distribution of stresses, preventing concentrated stress points that could lead to cracks. 3. Bonding: The texture and ridges on the rebar enhance its bond with the concrete. This bond is critical as it allows the effective transfer of stress between the concrete and the steel. The interlocking action between the two materials ensures their collaboration, enhancing the overall strength and load-bearing capacity of the structure. 4. Control of expansion and contraction: Concrete structures experience temperature variations that cause expansion or contraction. Steel rebars help control these movements by providing stability and limiting the extent of cracking. They absorb and accommodate the expansion and contraction, minimizing the risk of extensive cracking and maintaining the structural integrity. 5. Flexibility: Steel rebars possess a high degree of flexibility, enabling them to absorb dynamic loads and stresses. This flexibility ensures that the rebars can withstand external forces without fracturing or damaging the concrete. By absorbing and distributing these loads, rebars prevent cracks from forming and spreading throughout the structure. In conclusion, steel rebars prevent cracking in concrete structures by reinforcing the concrete, transferring loads, enhancing bonding, controlling expansion and contraction, and providing flexibility to absorb dynamic forces. Their presence significantly improves the strength, durability, and resistance to cracking of concrete structures under various loading conditions.
- Q:How are steel rebars tested for quality assurance?
- Steel rebars are tested for quality assurance through various methods, including visual inspection, dimensional checks, and mechanical tests. Visual inspection ensures that the rebars are free from surface defects, such as cracks or rust. Dimensional checks verify if the rebars meet the required length, diameter, and weight specifications. Mechanical tests, such as tensile and bending tests, assess the rebars' strength and ductility, ensuring they meet the required standards. Additionally, rebars may undergo chemical composition analysis to ensure they contain the appropriate levels of elements like carbon, manganese, and sulfur. These quality assurance tests help ensure that steel rebars are of high quality and suitable for their intended construction applications.
- Q:How many kinds of steel are needed to build the building?
- According to the processing methods can be divided into: hot rolled steel, heat treatment, cold drawn steel, steel cold drawn low carbon steel wire and steel wire tube; surface shape can be divided into smooth steel and thread; according to the varieties of steel can be divided into low carbon steel, medium carbon steel, high carbon steel and alloy steel etc.. The strength of China's steel bars can be divided into five grades: I, II, III, IV and V.
- Q:How do steel rebars contribute to the energy efficiency of a building?
- Steel rebars contribute to the energy efficiency of a building in several ways. Firstly, steel rebars are used to reinforce concrete structures, such as beams, columns, and walls. This reinforcement helps to increase the structural integrity of the building, allowing it to withstand various loads and forces. This, in turn, reduces the need for excessive materials in the construction process, leading to a more energy-efficient building. Additionally, steel rebars have excellent thermal conductivity properties. This means that they can efficiently transfer and distribute heat throughout the building, helping to regulate the internal temperature. By evenly distributing heat, steel rebars help to minimize temperature fluctuations, reducing the need for excessive heating or cooling systems, thus saving energy. Moreover, steel rebars have a long lifespan and require minimal maintenance. This durability ensures that the building remains structurally sound over time, reducing the need for frequent repairs or replacements. As a result, the energy consumed in maintenance and renovation activities is significantly reduced. Furthermore, the use of steel rebars allows for the construction of larger, open spaces with fewer supporting columns. This design flexibility facilitates the integration of natural light and ventilation, reducing the reliance on artificial lighting and air conditioning systems. By maximizing natural resources, steel rebars contribute to the energy efficiency of the building. In conclusion, steel rebars play a vital role in enhancing the energy efficiency of a building. Their ability to reinforce structures, efficient thermal conductivity, durability, and design flexibility all contribute to reducing the energy consumption associated with construction, maintenance, and operation of the building.
- Q:Can steel rebars be replaced with other reinforcement materials?
- Yes, steel rebars can be replaced with other reinforcement materials such as fiberglass, carbon fiber, or composite bars. These alternative materials offer advantages like higher tensile strength, corrosion resistance, and lighter weight. However, the choice of replacement material depends on the specific requirements of the construction project and should be evaluated carefully to ensure structural integrity and compliance with relevant codes and standards.
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Metallic Material Steel Rebar/ Deformed Steel Bar/Iron Rods for Construction Concrete
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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