TMT Reinforcing steel rebar Building Material
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 19000 m.t./month
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Specification
Steel rebar is bars of steel commonly used in construction, especially for reinforcing concrete structures such as
driveways, foundations, walls, and columns. These bars come in different sizes and strength grades, and can be smooth
or may include deformations that provide greater adhesion for concrete poured over the bars. When used in poured concrete,
the bars are typically placed in a grid pattern, the concrete poured over them, and then readjusted to maintain the proper shape
while the concrete sets. Steel rebar can be purchased from a number of manufacturers and is often found at construction retailers
or large hardware stores.
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 foundation structures?
- Yes, steel rebars can be used in foundation structures. In fact, they are commonly used in reinforced concrete foundations to increase the strength and durability of the structure. Steel rebars provide reinforcement to the concrete by enhancing its tensile strength, which is particularly important in areas where the foundation might be subjected to heavy loads or seismic activity. The rebars are typically placed in a grid pattern within the concrete to distribute the load and prevent cracking or failure. Overall, steel rebars are an essential component in foundation structures to ensure their stability and longevity.
- Q: How is steel rebar manufactured?
- The process of making steel rebar, also known as reinforcing bar, involves a series of steps to ensure its high quality and durability. To begin with, raw materials such as iron ore, coal, and limestone are carefully chosen and prepared. Iron ore is extracted from mines and processed to eliminate impurities. Coal is used as a fuel to heat the iron ore, while limestone acts as a flux to remove impurities during the heating process. Once the raw materials are ready, they are combined in a blast furnace. This furnace, a large cylindrical structure, subjects the iron ore, coal, and limestone to extreme temperatures. The intense heat triggers a chemical reaction that separates the iron from impurities, resulting in molten iron. The molten iron is then transferred to either a basic oxygen furnace (BOF) or an electric arc furnace (EAF). In the BOF process, the molten iron is mixed with scrap steel and other alloys to achieve the desired steel composition. Oxygen is blown into the furnace, removing impurities and adjusting the carbon content. In the EAF process, electricity is used to melt the scrap steel and other alloys, leading to chemical reactions that modify the composition and eliminate impurities. Once the steel is produced, it is poured into continuous casting machines, which shape it into long, rectangular strands called billets. These billets go through a series of rolling mills, gradually reducing their size and shaping them into the desired cross-sectional profile. The rolling process also enhances the strength and durability of the steel. After the rolling process, the rebar undergoes quenching and tempering. This involves rapidly cooling the rebar in water to increase its hardness, followed by reheating it to a specific temperature and then slowly cooling it. This process improves the rebar's strength and ductility, making it suitable for reinforcing concrete structures. Finally, the rebar is cut into the desired lengths and often undergoes surface treatment, such as galvanization or epoxy coating, to enhance its resistance to corrosion. It is then bundled and shipped to construction sites, where it is used to reinforce concrete structures like buildings, bridges, and roads. To summarize, the production of steel rebar involves the selection and preparation of raw materials, the melting and refining of iron in a blast furnace or electric arc furnace, the shaping of the steel into billets through continuous casting and rolling, the quenching and tempering process to improve its strength and ductility, and the final cutting and surface treatment before it is ready for use in construction projects.
- Q: What are the safety precautions to be followed while working with steel rebars?
- When working with steel rebars, it is important to follow several safety precautions to ensure a safe working environment. Some of these precautions include wearing personal protective equipment such as gloves, safety glasses, and steel-toed boots to protect against potential hazards. Additionally, workers should be trained on proper handling techniques to prevent injuries. It is also crucial to ensure that the work area is well-ventilated to prevent exposure to harmful fumes. Regular inspections of the equipment and tools used should be conducted to identify and address any potential hazards. Finally, communicating and adhering to safety protocols, such as proper lifting techniques and maintaining a clutter-free work area, are essential to minimize accidents and injuries while working with steel rebars.
- Q: Can steel rebars be used in modular bridge construction?
- Modular bridge construction utilizes steel rebars, also known as reinforcing bars, to enhance the structural integrity of precast concrete elements. This construction method offers efficiency and cost-effectiveness. Precast elements are fabricated in a controlled environment, ensuring consistent production and high-quality outcomes. The steel rebars are accurately incorporated into the elements during manufacturing, eliminating the need for on-site rebar installation. Steel rebars play a crucial role in withstanding the loads and stresses experienced by bridges. They distribute the load evenly, preventing concrete elements from cracking or failing. By incorporating steel rebars into modular bridge construction, the durability and longevity of the bridge structure are ensured. The integration of steel rebars in the modular bridge design allows for flexibility and customization. Different sizes and configurations of rebars can be used to meet the specific requirements of each bridge project, optimizing its structural performance. In summary, steel rebars are extensively utilized in modular bridge construction due to their ability to reinforce, strengthen, and enhance the durability of precast concrete elements. This approach offers a cost-effective and efficient construction process while maintaining the structural integrity of the bridge.
- Q: What is the impact resistance of steel rebars?
- The impact resistance of steel rebars is high due to their inherent strength and toughness. They can withstand significant external forces without breaking or deforming, making them ideal for reinforcing structures and providing durability against impacts and loads.
- Q: How do steel rebars affect the overall sustainability of a structure?
- Steel rebars have a significant impact on the overall sustainability of a structure. Firstly, the use of steel rebars contributes to the strength and durability of the building, ensuring its longevity and reducing the need for frequent repairs or replacements. This leads to a reduction in the consumption of raw materials and energy required for construction, making the structure more sustainable. Additionally, steel rebars help improve the structural integrity of a building, making it more resistant to natural disasters such as earthquakes and hurricanes. By enhancing the safety and resilience of the structure, steel rebars minimize the potential for damage and loss, which in turn reduces the environmental impact associated with reconstruction and waste generation. Furthermore, steel rebars can be recycled at the end of a building's life cycle. Steel is highly recyclable, and reusing steel rebars significantly reduces the demand for virgin steel production and the associated carbon emissions. Recycling steel also conserves natural resources and reduces landfill waste, making it a more sustainable option than using other materials. Moreover, the use of steel rebars in structures allows for greater design flexibility and adaptability. This means that buildings can be easily modified or repurposed, reducing the need for demolition and reconstruction. The ability to repurpose existing structures reduces waste and energy consumption, contributing to the overall sustainability of the built environment. In summary, steel rebars positively impact the overall sustainability of a structure through their durability, strength, and recyclability. By enhancing the longevity, safety, and adaptability of a building, steel rebars reduce the environmental impact associated with construction, maintenance, and demolition.
- Q: Are steel rebars suitable for use in sports stadiums and arenas?
- Steel rebars are indeed suitable for use in sports stadiums and arenas. They are extensively utilized in construction due to their exceptional strength and durability properties. In settings such as sports stadiums and arenas, where there is a convergence of large crowds, heavy loads, and utmost concern for safety, steel rebars play a vital role in fortifying the structure. They possess the capacity to endure high tensile forces and prevent bending, making them an ideal choice for reinforcing concrete structures within stadiums and arenas. Moreover, steel rebars exhibit a high resistance to fire, which is of utmost importance in these sprawling public spaces. All in all, steel rebars are a dependable and well-established option for reinforcing sports stadiums and arenas, as they effectively provide the necessary support and meet safety requirements.
- 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: How are steel rebars labeled or marked for identification?
- Steel rebars are typically labeled or marked for identification through the use of specific symbols, numbers, or letters. This identification system allows for easy recognition of the rebar's characteristics, such as its size, grade, and manufacturer. These markings can be found on the surface of the rebar, providing crucial information to ensure proper usage and structural integrity in construction projects.
- Q: Do steel rebars increase the overall weight of a structure?
- Yes, steel rebars do increase the overall weight of a structure. Rebars are typically used to reinforce concrete, providing additional strength and stability. Since steel is denser than concrete, the addition of rebars adds weight to the structure.
Send your message to us
TMT Reinforcing steel rebar Building Material
- Loading Port:
- Shanghai
- 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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