Rebar Steel 12mm Grade HRB400 HRB500 China mill
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 19000 m.t./month
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Specification
Deformed Steel bar is a common steel reinforcing bar, used in reinforced concrete and reinforced masonry structures.
It is formed from mild steel, and is given ribs for better frictional adhesion to the concrete. The Deformed Steel bar is an
iron rod , a weldable plain reinforcing steel bar, and can be used as well for steel meshes.
Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.
Product Description :
Chemical composition (%): | Steel | C | Si | Mn | P | S | Ceq | ||||
HRB335 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 | 0.52 | |||||
HRB400 | 0.54 | ||||||||||
HRB500 | 0.55 | ||||||||||
Mechanical properties | Steel | Rel/ MPa | Rm/ MPa | A/ % | Agt/ % | ||||||
≥ | |||||||||||
HRB335 | 335 | 455 | 17 |
7.5 | |||||||
HRB400 | 400 | 540 | 16 | ||||||||
HRB500 | 500 | 630 | 15 | ||||||||
Package: | Standard export packing or as customer's request | ||||||||||
Application: | Construction, building, bridge, road. ect | ||||||||||
Payment terms | 1).100% irrevocable L/C at sight. | ||||||||||
Delivery time | 15-30 days after receipt of L/C or deposit by T/T | ||||||||||
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
Our service
(1) We cooperate with famous factories with advanced equipment and well trained workers.
(2) We can provide factory price with trading company service.
(3) We continuously work on the improvement of our processes, guaranteeing consistently high standards
of quality to keep none compensation.
(4) We guarantee 24 hours response and 48 hours solution providing service.
(5) We accept small order quantity before formal cooperation.
(6) We deliver the agreed quality at the agreed time, reacting to changes in customer wishes in a flexible way.
(7) Due to our volume and selling power, we have excellent freight rates with shipping lines.
(8) We strive to always be fair and honest in our dealings with customers.
(9) We strive to work together with customers to achieve much more than we can achieve alone.
(10) Through our passion and commitment we aim to be a market leader in all our key markets. To maintain
our position as market leader we must continue to add value in all that we do.
FAQ:
1.Q: What's your MOQ(minimum order quantity)?
A: One full container, mixed acceptable .
2. Q: What's your packing methods?
A: Packed in bundle or bulk ..
3. Q: How can I buy CNBM products in my country?
A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country
4. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
5. Q: How long does it take to get the product if i place an order?
A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations
- Q: Can steel rebars be used in structures with high resistance to fire?
- Yes, steel rebars can be used in structures with high resistance to fire. Steel has a high melting point and excellent fire resistance properties, making it a suitable choice for reinforcing structures that need to withstand high temperatures and fire hazards.
- Q: What is the effect of steel rebars on the seismic performance of a structure?
- Steel rebars, also referred to as reinforcing bars, play a crucial role in enhancing the seismic performance of structures by improving their overall strength and ductility. When structures are subjected to seismic forces, they undergo intense shaking and vibrations. The inclusion of steel rebars significantly enhances the strength and ductility of the structure, enabling it to withstand and absorb the energy released during an earthquake. The primary effect of steel rebars is their capacity to augment the tensile strength of concrete. Concrete is strong when compressed but weak when subjected to tension. By embedding steel rebars within the concrete, the composite material becomes capable of resisting tensile forces that may occur during an earthquake. This prevents the concrete from cracking or fracturing, ensuring the structure remains intact and functional. Furthermore, steel rebars act as a reinforcement mechanism by distributing the seismic load uniformly across the entire structure. During an earthquake, the shaking motion is dispersed throughout the building, minimizing stress concentration in specific areas. This redistribution of forces helps to maintain the overall stability of the structure, preventing localized failure and collapse. In addition, the presence of steel rebars enhances the ductility of the structure. Ductility refers to the material's ability to deform under stress without breaking. When seismic forces act on a building, the steel rebars provide flexibility and allow for controlled deformation. This plastic behavior aids in dissipating the energy generated during an earthquake, reducing the impact on the structure and minimizing potential damage. Moreover, steel rebars also contribute to the overall stiffness of the structure. By reinforcing concrete components such as columns, beams, and walls, the rigidity of the entire system is increased. This stiffness helps to limit displacement and deformation of the structure, mitigating the risk of structural failure and ensuring the safety of occupants during a seismic event. To summarize, the presence of steel rebars in a structure significantly improves its seismic performance by enhancing concrete's tensile strength, distributing seismic load, improving ductility, and increasing overall stiffness. These effects collectively enhance the structure's ability to resist and withstand the forces generated during an earthquake, ensuring the integrity of the structure and the safety of its occupants.
- Q: Can steel rebars be used in reinforced masonry structures?
- Yes, steel rebars can be used in reinforced masonry structures. Rebars, which are short for reinforcement bars, are commonly used to strengthen and provide structural integrity to masonry elements such as walls, columns, and beams. The rebars are inserted into the masonry units and then embedded in mortar or grout, forming a strong bond between the steel and the masonry. The use of steel rebars in reinforced masonry structures offers several advantages. Firstly, it enhances the load-bearing capacity of the structure, allowing it to withstand higher loads and resist deformation. This is especially important in areas prone to seismic activity or heavy wind loads. Secondly, the steel rebars help to distribute stress more evenly throughout the structure, preventing localized failures and increasing overall durability. Additionally, the use of rebars can improve the crack resistance of masonry, reducing the risk of cracks and improving the structural performance. It is worth noting that the design and installation of steel rebars in reinforced masonry structures must comply with specific codes and standards to ensure proper safety and performance. The size, spacing, and placement of the rebars are determined based on structural calculations and engineering principles. Adequate cover of masonry around the rebars is also crucial to prevent corrosion and maintain their structural integrity over time. In conclusion, steel rebars can definitely be used in reinforced masonry structures to enhance their strength, load-bearing capacity, and durability. Proper design, installation, and adherence to building codes are essential to ensure the successful integration of rebars with masonry.
- Q: What are the guidelines for proper anchoring of steel rebars in concrete structures?
- Proper anchoring of steel rebars in concrete structures is crucial for ensuring the structural integrity and stability of the construction. The guidelines for proper anchoring of steel rebars are as follows: 1. Embedment length: The rebars should be embedded in the concrete for a certain length to provide sufficient bond strength. The required embedment length is determined by the design specifications and depends on factors such as rebar diameter, concrete strength, and load conditions. 2. Lap length: When connecting two rebars, a minimum lap length is required to ensure continuity of reinforcement. The lap length is determined based on the rebar diameter, concrete strength, and structural design requirements. 3. Concrete cover: Adequate concrete cover should be provided to protect the rebars from corrosion and fire. The concrete cover is the distance between the outer surface of the rebars and the nearest concrete surface. It depends on factors such as the environment, fire resistance requirements, and durability considerations. 4. Spacing and arrangement: The rebars should be spaced properly and arranged as per the structural design requirements. The spacing between rebars depends on the structural load and design specifications. Improper spacing can lead to inadequate reinforcement and compromise the structural strength. 5. Proper positioning: The rebars should be positioned accurately as per the design drawings and specifications. They should be placed in the concrete formwork before pouring the concrete to achieve the desired structural behavior. Improper positioning may lead to rebar misalignment or inadequate concrete cover. 6. Mechanical anchorage: Mechanical anchorage devices such as rebar couplers, anchor bolts, or hooks can be used to enhance the anchoring of rebars in concrete structures. These devices provide additional reinforcement and prevent slippage or pull-out of the rebars under load. 7. Quality control: Regular inspection and quality control measures should be implemented to ensure adherence to the anchoring guidelines. This includes checking rebar dimensions and spacing, embedment depth, concrete cover, and ensuring proper installation techniques. It is important to note that these guidelines may vary depending on the specific project requirements, local building codes, and design specifications. Therefore, it is essential to consult the structural engineer or refer to the relevant building codes and standards for the specific guidelines applicable to each construction project.
- Q: How heavy can a 25 mm thread steel bear?
- 25 thread steel one meter 3.86kg.Method of calculation: 0.00617 times the square of the diameter of the steel bar. The weight of each diameter of the steel bar (kg) can be calculated.
- Q: What is the role of steel rebars in preventing structural vibrations?
- Steel rebars play a crucial role in preventing structural vibrations by providing reinforcement and stability to concrete structures. The rebars, which are embedded within the concrete, enhance the overall strength and rigidity of the structure, making it more resistant to vibrations caused by external factors such as wind, earthquakes, or heavy machinery. The presence of steel rebars helps to distribute and dissipate the energy generated during vibrations, reducing their amplitude and preventing potential structural damage or collapse.
- Q: How can steel rebars be recycled after their service life?
- Steel rebars can be recycled after their service life by first removing them from the concrete structures they were originally embedded in. Once separated, the rebars are cleaned and sorted based on their size and quality. They are then taken to a recycling facility where they are shredded into small pieces and melted in a furnace. The molten steel is then molded into new rebars or other steel products. This recycling process not only helps conserve natural resources but also reduces waste and the environmental impact of steel production.
- Q: Are steel rebars resistant to UV radiation?
- No, steel rebars are not inherently resistant to UV radiation and can corrode when exposed to prolonged sunlight.
- Q: Can steel rebars be used in foundations and footings?
- Certainly, steel rebars are suitable for use in foundations and footings. In fact, these applications commonly employ steel rebars owing to their exceptional tensile strength and durability. Typically composed of carbon steel, steel rebars reinforce concrete structures effectively, bolstering their resistance against tension and bending forces. By integrating rebars into the concrete, additional strength is provided, mitigating the risk of cracking or failure when subjected to heavy loads. Consequently, utilizing steel rebars in foundations and footings is an established construction practice, guaranteeing the stability and longevity of the structure.
- Q: Can steel rebars be used in the construction of theme parks and entertainment venues?
- Yes, steel rebars can be used in the construction of theme parks and entertainment venues. Steel rebars are commonly used in construction projects to reinforce concrete structures, providing strength and durability. In the case of theme parks and entertainment venues, where large crowds gather and safety is paramount, steel rebars can help ensure the structural integrity of buildings, rides, and other facilities.
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Rebar Steel 12mm Grade HRB400 HRB500 China mill
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 19000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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