Hot Rolled Carbon Steel Rebar 12mm with High Quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Description:
OKorder is offering Hot Rolled Carbon Steel Rebar 12mm with High Quality at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Hot Rolled Carbon Steel Rebar 12mm with High Quality 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..
Product Advantages:
OKorder's Hot Rolled Carbon Steel Rebar 12mm with High Quality are durable, strong.packed and suitable for construction
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: HRB335 HRB400 BS4449 Grade460 ASTM Grade40 Grade60
Certificates: ISO, SGS, BV, CIQ
Length:6m 8m 9m 12m
Packaging: Export packing, packed by coil
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Q4: Can you supply the Rebar according to the standard KS?
A4: Yes, we can supply SD400 and SD500
Q5: How to avoid the rust after deliver the goods to the loading port?
A5: We will keep the goods at the port covered with water-proof material
Q6: What is the chemical composition and physical properties of HRB400?
A6:
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 | |||||
Images:
- Q: Can steel rebars corrode or rust over time?
- Yes, steel rebars can corrode or rust over time due to exposure to moisture and oxygen.
- Q: Are steel rebars suitable for use in wastewater treatment plants?
- Steel rebars are indeed a suitable option for utilization in wastewater treatment plants. The demanding and corrosive surroundings of these facilities often necessitate reinforced concrete structures. Fortunately, steel rebars, frequently employed for concrete reinforcement, provide the strength and durability required for such constructions. Their resistance to corrosion is particularly advantageous in wastewater treatment plants, where the presence of chemicals and corrosive elements is prevalent. Moreover, steel rebars offer exceptional tensile strength, guaranteeing that the concrete structures can endure substantial loads and pressures. All in all, steel rebars prove to be a dependable and suitable selection for incorporation in wastewater treatment plants, as they ensure the facility's longevity and structural integrity.
- Q: What are the common mistakes to avoid when installing steel rebars?
- Some common mistakes to avoid when installing steel rebars include improper placement or spacing of rebars, inadequate concrete cover, insufficient reinforcement overlap, incorrect bar bending or cutting, and neglecting to secure the rebars in place during concrete pouring. It is essential to follow the specifications and guidelines provided by structural engineers and adhere to industry standards to ensure proper reinforcement installation.
- Q: How can the quality of steel rebars be tested?
- To ensure the strength and reliability of steel rebars, there are various methods available for testing their quality. Some commonly used techniques include: 1. Conducting a visual inspection to identify any visible defects like surface cracks, unevenness, or corrosion that may impact performance. 2. Analyzing the chemical composition of the rebars through spectroscopy or similar methods to ensure compliance with required standards. This analysis verifies the presence and percentage of elements such as carbon, manganese, and silicon. 3. Testing the rebars' tensile strength by subjecting a sample to tension until it fractures. The maximum force applied before breaking determines the tensile strength and helps identify weak spots or inconsistencies. 4. Evaluating the ductility of rebars through a bend test, bending them to a specific angle without any signs of cracking or fracture. This ensures the rebars can withstand bending and shaping during construction without compromising their structural integrity. 5. Using ultrasonic testing to detect internal flaws or defects within the rebars. This non-destructive method helps identify hidden cracks, voids, or inclusions that could weaken the rebars. 6. Determining the hardness of the rebars using the Rockwell or Brinell hardness test. This test measures the resistance of the rebar's surface to indentation, providing insight into its strength. 7. Subjecting the rebars to corrosion resistance testing, such as salt spray testing or electrochemical methods, to assess their resistance against rust and other types of corrosion. By combining these testing methods, manufacturers, construction companies, and engineers can ensure that steel rebars meet the required quality standards and can withstand the intended load and environmental conditions.
- Q: What are the guidelines for spacing and positioning steel rebars in concrete structures?
- The guidelines for spacing and positioning steel rebars in concrete structures are critical to ensure the structural integrity and durability of the construction. Here are some key guidelines to follow: 1. Rebar Spacing: The spacing between steel rebars in concrete structures is determined by the structural engineer or designer. It is typically expressed in terms of center-to-center spacing or clear distance between rebars. The spacing depends on the load requirements, concrete strength, and other factors specific to the project. The most common spacing ranges from 4 to 12 inches. 2. Cover Depth: The concrete cover depth refers to the distance between the outer surface of the concrete and the nearest surface of the rebar. It is essential to provide adequate cover to protect the rebars from environmental factors, such as corrosion and fire. The cover depth is typically specified in the project's design and can vary depending on the concrete's exposure conditions. 3. Rebar Positioning: The proper positioning of rebars is crucial to ensure they are placed in the designated locations within the concrete structure. The rebars should be securely supported and maintained in the correct alignment during the concrete pouring process. The positioning requirements may include specific lap lengths, overlaps, or hooking of rebars at junctions to ensure proper load transfer and structural continuity. 4. Chair Supports: Rebar chair supports are widely used to maintain the correct spacing and elevation of the rebars within the concrete structure. These supports are placed under the rebars at regular intervals to prevent sagging or displacement during concrete placement. The appropriate chair support type and height should be selected based on the project's requirements and the diameter of the rebars. 5. Tying and Binding: Proper tying and binding of rebars are essential to ensure they remain in position and maintain the required spacing during the concrete pouring process. Rebars should be tied securely using wire or rebar ties at appropriate intervals, typically every 12-18 inches. The ties should be tight enough to prevent movement but not overly tight to avoid damaging the rebars or causing concrete segregation. 6. Concrete Consolidation: During concrete placement, it is crucial to properly consolidate the concrete around the rebars to eliminate air voids and ensure adequate bonding between the concrete and the rebars. Vibrators or other consolidation techniques should be used to achieve proper compaction and ensure the rebars are thoroughly embedded in the concrete. Compliance with the guidelines for spacing and positioning steel rebars in concrete structures is essential to guarantee the structural strength, durability, and safety of the construction. It is crucial to consult and follow the project's design specifications and engage qualified professionals to ensure proper execution and adherence to these guidelines.
- Q: Why is the threaded steel thread?
- The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state.
- Q: What is the difference between the material of steel thread and its use?
- The grade of thread steel is composed of the minimum value of the yield point of HRB and brand. H, R, and B are the first letters in English for hot-rolled (Hotrolled), ribbed (Ribbed) and reinforced (Bars) three words. Hot rolled ribbed bar is divided into HRB335 (old No. 20MnSi), HRB400 (20MnSiV, 20MnSiNb, veteran, 20Mnti), HRB500 three brands.
- Q: How do steel rebars contribute to the overall safety of a structure?
- Steel rebars contribute to the overall safety of a structure by providing reinforcement and strength to concrete. They enhance the structural integrity, preventing cracking and failure under heavy loads or during seismic events. Steel rebars also help to distribute and absorb forces, improving the resistance against bending, shearing, and tension. By effectively reinforcing the concrete, steel rebars ensure the durability and longevity of the structure, minimizing the risk of collapse and ensuring the safety of occupants.
- Q: How are steel rebars protected against accidental damage during construction?
- Steel rebars are protected against accidental damage during construction through a variety of measures. One common method is to place plastic caps on the ends of the rebars to prevent them from getting damaged or bent. Additionally, rebars can be covered with plastic or foam sleeves to provide an added layer of protection. Construction workers are also trained to handle rebars carefully and avoid any activities that may cause accidental damage.
- Q: How are steel rebars installed in concrete structures?
- Steel rebars are installed in concrete structures by first determining the required size and quantity of rebars. Then, the rebars are cut to the desired length and positioned within the concrete mold or formwork according to the structural design. Once in place, the rebars are securely tied together using wire or rebar connectors to form a reinforcement grid. Finally, the concrete is poured and allowed to cure, creating a strong and durable structure with the rebars embedded inside.
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Hot Rolled Carbon Steel Rebar 12mm with High Quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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