Material steel rebar high quality from China
- Loading Port:
- Guangzhou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 19000 m.t./month
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Specification
Rebar has ridges that bind it mechanically to the concrete with friction, it can still be pulled out of the concrete under high stresses,
an occurrence that often precedes a larger-scale collapse of the structure. 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.
Common rebar is made of unfinished steel, making it susceptible to rusting. As rust takes up greater volume than the iron or steel
from which it was formed, it causes severe internal pressure on the surrounding concrete, leading to cracking, spalling, and ultimately, structural failure. This is a particular problem where the concrete is exposed to salt water, as in bridges built in areas where salt is
applied to roadways in winter, or in marine applications. Epoxy-coated rebar or stainless steel rebar may be employed in these situations at greater initial expense, but significantly lower expense over the service life of the project. Fiber-reinforced polymer rebar is now also being
used in high-corrosion environments
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: Are thread steels of coarse steel?
- Thread steel does not belong to coarse steel, rough is shaped steel, fine is wire.
- Q: Can steel rebars be used in marine or coastal construction projects?
- Yes, steel rebars can be used in marine or coastal construction projects. However, it is important to ensure that the rebars are made of corrosion-resistant steel or are properly protected against corrosion. This is because the salty and humid environment in marine or coastal areas can accelerate the corrosion process, which can compromise the structural integrity of the rebars and the overall construction.
- Q: Are steel rebars susceptible to rusting?
- Yes, steel rebars are susceptible to rusting due to their iron content.
- Q: What is the lifespan of steel rebars in marine structures?
- The lifespan of steel rebars in marine structures can vary depending on various factors such as the quality of the steel, the environment in which they are exposed, and the maintenance practices employed. However, properly designed, constructed, and maintained marine structures with steel rebars can typically have a lifespan of 50 to 100 years. Steel rebars used in marine structures are generally coated with corrosion-resistant materials, such as epoxy or zinc, to protect them from the harsh marine environment. These coatings provide an additional layer of defense against corrosion, extending the lifespan of the rebars. However, it is important to note that the marine environment is highly corrosive due to the presence of saltwater, humidity, and other corrosive agents. Over time, these factors can lead to the degradation of the protective coatings and the exposure of the rebars to corrosion. If adequate maintenance measures are not taken, such as regular inspections, cleaning, and reapplication of protective coatings, the rebars may experience accelerated corrosion and their lifespan may be shortened. Additionally, the design and construction of marine structures play a crucial role in determining the lifespan of steel rebars. Proper considerations must be given to factors such as structural design, material selection, and detailing to minimize the risk of corrosion and ensure the longevity of the rebars. In summary, the lifespan of steel rebars in marine structures can range from 50 to 100 years, depending on factors such as the quality of the steel, the environmental conditions, and the maintenance practices employed. Proper design, construction, and maintenance are essential to maximizing the lifespan of steel rebars in marine structures.
- Q: What are the typical costs associated with using steel rebars in a construction project?
- The typical costs associated with using steel rebars in a construction project can vary depending on factors such as the quantity and size of rebars required, market conditions, and location. However, in general, the costs can include the purchase price of the rebars themselves, transportation and delivery expenses, installation labor costs, and any additional fees or taxes. It is advisable to consult with suppliers and contractors to get accurate cost estimates for a specific construction project.
- Q: Can steel rebars be used in high-rise construction projects?
- Yes, steel rebars can be used in high-rise construction projects. Steel rebars provide reinforcement to concrete structures, increasing their strength and ability to withstand heavy loads and stresses. They are commonly used in high-rise construction to ensure the structural integrity and stability of the building.
- Q: What are the guidelines for proper handling and disposal of steel rebars on construction sites?
- The guidelines for proper handling and disposal of steel rebars on construction sites include wearing appropriate personal protective equipment (PPE) such as gloves and safety glasses, using proper lifting techniques to avoid injury, storing rebars in a designated area away from workers and equipment, and disposing of them in accordance with local regulations, which may require recycling or proper disposal in designated waste sites.
- Q: What is the role of steel rebars in the construction of wind turbine towers?
- Steel rebars play a critical role in the construction of wind turbine towers as they provide structural reinforcement and stability. These rebars are strategically placed within the concrete tower to enhance its strength, durability, and resistance against the strong forces exerted by wind. By reinforcing the concrete, steel rebars ensure that the wind turbine tower can withstand the extreme conditions and vibrations, thereby ensuring the safety and longevity of the structure.
- Q: Can steel rebars be used in offshore oil and gas platform construction?
- Yes, steel rebars can be used in offshore oil and gas platform construction. They are commonly used to reinforce concrete structures in these platforms, providing strength and durability to withstand the harsh marine environment.
- Q: Can steel rebars be used in the construction of tunnels for transportation?
- Yes, steel rebars can be used in the construction of tunnels for transportation. Steel rebars are commonly used as reinforcement in concrete structures, providing strength and durability. In tunnel construction, rebars are typically embedded within the concrete lining to enhance its structural integrity and withstand the forces exerted on the tunnel.
Send your message to us
Material steel rebar high quality from China
- Loading Port:
- Guangzhou
- 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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