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: What is the average tensile strength of steel rebars?
- The average tensile strength of steel rebars typically ranges from 400 to 600 megapascals (MPa). However, it is important to note that the specific tensile strength can vary depending on the grade and type of steel used in the manufacturing process. Higher grades of steel rebars can have tensile strengths exceeding 600 MPa. Additionally, factors such as the diameter and surface condition of the rebars can also influence their tensile strength.
- Q: How long do steel rebars typically last before corroding?
- Steel rebars typically last for several decades before they start to corrode, depending on various factors such as the quality of the steel, environmental conditions, and the presence of protective coatings.
- Q: What is the impact of steel rebars on the overall acoustic performance of a structure?
- Steel rebars have a minimal impact on the overall acoustic performance of a structure. While they may conduct sound vibrations to some extent, the effect is typically negligible compared to other factors such as wall materials, insulation, and construction techniques.
- Q: Can steel rebars be used in retaining walls?
- Retaining walls can indeed utilize steel rebars. These rebars, also referred to as reinforcing bars, are frequently employed in retaining walls to enhance their strength and reinforcement. Typically, the rebars are embedded in the concrete or masonry structure of the retaining wall, thereby bolstering its structural integrity and fortifying it against forces like soil pressure. By incorporating steel rebars, retaining walls become resistant to cracking, shifting, or collapsing, providing a trustworthy and long-lasting solution for soil retention and erosion prevention.
- Q: Are steel rebars fire resistant?
- Yes, steel rebars are fire resistant.
- Q: What are the guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements?
- Several key considerations must be taken into account when using steel rebars in pre-stressed or post-tensioned concrete elements to ensure structural integrity and performance. 1. Design and Engineering: The initial step is to consult with a qualified structural engineer who specializes in pre-stressed or post-tensioned concrete design. They will determine the specific project's requirements for rebars, including size, spacing, and type, based on the structural loads, design requirements, and desired performance. 2. Material Selection: The rebars used in pre-stressed or post-tensioned concrete elements should adhere to industry standards, such as ASTM A615 or ASTM A706 for reinforcing steel. The rebars should possess adequate strength, ductility, and corrosion resistance to withstand environmental conditions and stress. 3. Placement and Anchorage: Precise placement and anchoring of the rebars within the concrete elements are necessary. The requirements for placement and anchorage will depend on the project's design and engineering specifications. Proper alignment and secure fastening of the rebars are crucial to ensure effective force transfer to the concrete. 4. Tensioning Process: In pre-stressed concrete elements, the rebars are tensioned before pouring the concrete. Specialized jacks or hydraulic systems are used to apply a predetermined amount of force to the rebars. Careful control of the tensioning force is vital to achieving the desired level of pre-stress without overloading the rebars or damaging the concrete. 5. Post-Tensioning: For post-tensioned concrete elements, the rebars are tensioned after the concrete has hardened. This involves passing the rebars through ducts or sleeves within the concrete and applying tension using hydraulic jacks. The post-tensioning force must be carefully calibrated to achieve the desired structural performance without excessive strain on the rebars or the concrete. 6. Quality Control and Inspection: Throughout the construction process, regular quality control and inspection are essential to ensure compliance with design specifications and industry standards. This includes verifying correct placement, alignment, and tensioning of the rebars, as well as checking for any defects or damage. 7. Maintenance and Durability: Proper maintenance is crucial for the long-term durability and performance of pre-stressed or post-tensioned concrete elements. This may involve periodic inspections, maintaining protective coatings, and addressing corrosion or deterioration promptly. By adhering to these guidelines, construction professionals can ensure the safe and effective use of steel rebars in pre-stressed or post-tensioned concrete elements, resulting in structurally sound and durable concrete structures.
- Q: What is the cost of steel rebars compared to other reinforcement materials?
- The cost of steel rebars is generally higher compared to other reinforcement materials such as fiberglass or basalt. However, steel rebars offer superior strength and durability, making them a preferred choice in many construction projects despite the higher price.
- 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 are steel rebars protected from theft during construction?
- Steel rebars are commonly protected from theft during construction through various security measures. These may include storing them in locked and secured areas, implementing surveillance systems, using GPS tracking devices, employing security personnel, and maintaining strict inventory management. Additionally, marking the rebars with identification numbers or unique markings can also help deter theft and aid in recovery efforts if stolen.
- Q: What is the average lifespan of steel rebars in concrete structures?
- The average lifespan of steel rebars in concrete structures can vary depending on various factors such as the quality of the steel, environmental conditions, and maintenance practices. However, under normal conditions, steel rebars in concrete structures are expected to have a lifespan of around 50 to 100 years.
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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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