Deformed steel bar 6-40 MM HRB 400 HRB 500
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 600 m.t.
- Supply Capability:
- 19452 m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
Specification
Rebar is common steel reinforcing bar, an important component of reinforced concrete and reinforced masonry structures.
It is usually formed from mild steel, and is given ridges for better frictional adhesion to the concrete.
To prevent such a failure, rebar is either deeply embedded into adjacent structural members, or bent and hooked at the ends
to lock it around the concrete and other rebars. This first approach increases the friction locking the bar into place while the
second makes use of the high compressive strength of concrete.
Most grades of steel used in rebar cannot accept welding; such as, to adjacent steel plates or as means to bind single pieces
of rebar together. However, special grades of rebar steel and welding rods make welding by expert welders possible.
Our Advantage:
High quality steel products from 1 class mills in China
Reasonable price
Professionalism of the products
On-time delivery
Complete documents and certificates
Sincere service to meet our clients' requirements
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 | ||||||||||
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.
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: Are steel rebars suitable for use in wastewater treatment plants?
- Yes, steel rebars are suitable for use in wastewater treatment plants. They provide excellent strength and durability, making them ideal for reinforcing concrete structures in such environments. Additionally, steel rebars are corrosion-resistant, which is crucial in wastewater treatment plants where exposure to chemicals and moisture is common.
- Q: Can steel rebars be used in parking garage construction?
- Yes, steel rebars can indeed be used in parking garage construction. Steel rebars are commonly used as reinforcement in concrete structures, including parking garages, to enhance their strength and durability. The rebars help to reinforce the concrete and prevent cracking or collapsing under heavy loads, making them an essential component in parking garage construction.
- Q: Can steel rebars be used in composite structures?
- Yes, steel rebars can be used in composite structures. Steel rebars are often used as reinforcement in composite structures such as concrete-filled steel tubes or fiber-reinforced polymer composites. They provide additional strength and stability to the overall structure, making it more durable and resistant to various loads and stresses.
- Q: How are steel rebars protected from concrete spalling?
- Various methods and techniques are utilized to safeguard steel rebars from concrete spalling. One commonly employed approach involves the application of a concrete cover over the rebars. This entails embedding the rebars within the concrete structure to prevent direct exposure to external elements or conditions that may lead to spalling. To ensure adequate protection, construction codes and standards typically prescribe the thickness of the concrete cover. Another means of shielding steel rebars from concrete spalling is the use of corrosion inhibitors. These inhibitors are typically incorporated into the concrete mix during construction. They function by reducing the rate of corrosion for the steel rebars, effectively safeguarding them against spalling caused by rusting and corrosion. In addition to concrete cover and corrosion inhibitors, proper concrete mix design holds significant importance in protecting steel rebars. The utilization of high-quality concrete with an appropriate water-cement ratio, adequate strength, and suitable curing greatly enhances the concrete's resistance against spalling. This guarantees the secure embedding of the rebars within the concrete structure and shields them from moisture or other deteriorating agents that could lead to spalling. Furthermore, adhering to proper construction practices, such as thorough compaction of concrete, precise placement and alignment of rebars, and effective waterproofing measures, also contribute to the protection of steel rebars from concrete spalling. These practices help minimize the likelihood of moisture ingress and the formation of cracks or voids that could expose the rebars to the risk of spalling. In summary, a combination of concrete cover, corrosion inhibitors, appropriate concrete mix design, and sound construction practices are vital in safeguarding steel rebars from concrete spalling. By implementing these measures, the durability and lifespan of concrete structures can be significantly enhanced.
- Q: Can steel rebars be used in lightweight concrete construction?
- Yes, steel rebars can be used in lightweight concrete construction. However, it is important to consider the weight-to-strength ratio and ensure that the rebars are appropriately sized and spaced to meet the structural requirements of the lightweight concrete.
- Q: Can steel rebars be recycled after the demolition of a structure?
- After a structure is demolished, steel rebars can indeed be recycled. In fact, steel is widely recycled around the globe, and rebars are no exception to this trend. Typically, during the demolition process, rebars are separated from other materials like concrete and extracted from the structure. Subsequently, these rebars are gathered and transported to a recycling facility for further processing and melting. The molten steel can then be utilized to produce new rebars or other steel goods, thus decreasing the need for fresh steel production and preserving precious resources. By recycling rebars, not only do we help reduce waste and minimize environmental impact, but we also actively contribute to the circular economy by promoting material reuse.
- Q: Can steel rebars be used in infrastructure projects?
- Yes, steel rebars can be commonly used in infrastructure projects. Steel rebars are durable, strong, and provide reinforcement to concrete structures, making them ideal for various infrastructure projects such as bridges, highways, buildings, and dams.
- Q: What are the different methods of reinforcing concrete structures using steel rebars?
- There are several methods of reinforcing concrete structures using steel rebars. These include placing the rebars in a grid pattern to provide overall strength and support, using stirrups or ties to hold the rebars in place and prevent them from moving, using dowel bars to connect two separate concrete elements, and using anchor bolts or hooks to secure the rebars to the existing structure. Additionally, steel mesh or fiber reinforcement can be used to enhance the overall durability and resilience of the concrete structure.
- Q: How long do steel rebars last in structures?
- Steel rebars can last for several decades, typically around 50 to 100 years, when used in structures. However, their lifespan can be affected by various factors such as the quality of the rebar, environmental conditions, maintenance practices, and exposure to corrosive agents. Regular inspections and proper maintenance can significantly extend the lifespan of steel rebars in structures.
- Q: What is the role of steel rebars in preventing concrete creep?
- The role of steel rebars in preventing concrete creep is crucial. Concrete creep refers to the gradual deformation or movement of concrete over time under sustained load. This phenomenon occurs due to the long-term stress on the concrete, causing it to slowly deform and creep. Steel rebars, which are reinforced steel bars, are used in concrete structures to counteract this creep behavior. They play a significant role in preventing concrete creep by providing tensile strength and reinforcing the structure. When concrete is subjected to a load, it experiences both compressive and tensile forces. While concrete is excellent at withstanding compressive forces, it is relatively weak in tension. This is where steel rebars come into play. By placing steel rebars within the concrete, the tensile strength of the structure is significantly enhanced. Steel has high tensile strength, making it ideal for bearing the tension experienced by the concrete. When the concrete begins to creep under a sustained load, the steel rebars resist the deformation and distribute the tensile forces throughout the structure. The presence of steel rebars helps to restrain the concrete from excessive deformation, reducing the potential for long-term creep. By reinforcing the concrete with steel rebars, the structure becomes more resistant to creep and maintains its stability and integrity over time. Moreover, steel rebars also enhance the overall durability and structural performance of the concrete. They improve the load-bearing capacity, prevent cracking, and enhance the resistance against external forces such as earthquakes or environmental factors. In conclusion, steel rebars play a vital role in preventing concrete creep by providing tensile strength and reinforcing the structure. They resist the deformation of the concrete under sustained load, ensuring its stability and long-term integrity. The use of steel rebars significantly enhances the durability and structural performance of concrete structures, making them more resistant to creep and other potential issues.
Send your message to us
Deformed steel bar 6-40 MM HRB 400 HRB 500
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 600 m.t.
- Supply Capability:
- 19452 m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords