Steel rebar with short delivery time and quality certificate
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
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Specification
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
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.
To prevent workers from accidentally impaling themselves, the protruding ends of steel rebar are often bent over or covered
with special plastic "mushroom" caps.
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.
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: What are the guidelines for proper curing of concrete structures with steel rebars?
- The guidelines for proper curing of concrete structures with steel rebars include ensuring that the concrete is adequately hydrated through moist curing methods such as sprinkling water or covering with wet burlap. It is crucial to maintain a consistent and controlled temperature and humidity environment during the curing process to prevent cracking and enhance the strength development of the concrete. Additionally, it is essential to avoid rapid drying and exposure to extreme temperature variations to avoid any potential damage to the steel rebars.
- Q: What are the different types of steel rebars used in column reinforcement?
- There are several different types of steel rebars commonly used in column reinforcement. These include: 1. Mild Steel Rebars: Also known as carbon steel rebars, these are the most commonly used type of rebars in construction. They have a low carbon content and are readily available and cost-effective. Mild steel rebars are suitable for most general construction projects. 2. High-Strength Deformed (HSD) Steel Rebars: HSD rebars have a higher carbon content and are heat-treated to increase their strength. They have a greater yield strength and tensile strength compared to mild steel rebars. HSD rebars are commonly used in high-rise buildings and structures where greater strength is required. 3. Epoxy-Coated Rebars: These rebars are coated with an epoxy layer to protect them from corrosion. Epoxy coating acts as a barrier between the steel and the surrounding environment, preventing the steel from coming into contact with moisture and other corrosive elements. Epoxy-coated rebars are commonly used in coastal areas or environments with high humidity levels. 4. Stainless Steel Rebars: These rebars are made from stainless steel, which contains chromium and other alloying elements that provide excellent resistance to corrosion. Stainless steel rebars are suitable for structures exposed to aggressive environments such as chemical plants, wastewater treatment facilities, and marine structures. 5. Galvanized Rebars: Galvanized rebars are coated with a layer of zinc to protect them from rust and corrosion. The zinc coating acts as a sacrificial layer, protecting the underlying steel from coming into contact with corrosive elements. Galvanized rebars are commonly used in corrosive environments where moisture and chemicals are present. It is important to consider the specific requirements of the project, including the level of corrosion resistance needed, the structural strength required, and the environmental conditions, in order to choose the appropriate type of steel rebar for column reinforcement.
- Q: Can steel rebars be used in structures with limited maintenance access?
- Yes, steel rebars can be used in structures with limited maintenance access. Steel rebars are commonly used in construction due to their durability and strength. They can withstand various environmental conditions and require minimal maintenance. Additionally, their flexible and versatile nature allows them to be easily integrated into structures with limited maintenance access, making them a suitable choice for such projects.
- Q: What is the role of steel rebars in the construction of multi-level car parks?
- Steel rebars play a crucial role in the construction of multi-level car parks as they provide reinforcement and strength to the concrete structures. By reinforcing the concrete with steel rebars, it increases the load-bearing capacity and structural integrity of the car park, ensuring its durability and ability to withstand heavy loads and potential impacts. Additionally, steel rebars help to prevent cracks and maintain the overall stability of the structure, making them essential components in the construction of multi-level car parks.
- Q: Can steel rebars be spliced or joined together on-site?
- Yes, steel rebars can be spliced or joined together on-site. This process involves connecting two rebars using various techniques such as overlapping, welding, mechanical couplers, or lap splicing. The method chosen depends on the specific project requirements, strength considerations, and local building codes.
- Q: What is the role of steel rebars in tunnel lining construction?
- Steel rebars play a critical role in tunnel lining construction as they provide reinforcement and strength to the concrete structure. By reinforcing the concrete with rebars, they help to resist tension and prevent cracking or failure of the tunnel lining. Additionally, rebars enhance the overall structural integrity, durability, and load-bearing capacity of the tunnel, ensuring its long-term stability and safety.
- Q: What are the sizes available for steel rebars?
- Different construction needs can be accommodated by steel rebars, which are also known as reinforcing bars. Steel rebars are available in a range of sizes, typically from #3 to #18. Each size is assigned a corresponding number that represents the diameter of the bar in inches. For instance, a #3 rebar has a diameter of 3/8 inch, while a #18 rebar has a diameter of 2 1/4 inches. These sizes are universally standardized and widely utilized in construction projects around the world. The selection of a rebar size depends on various factors, including the structural requirements, load-bearing capacity, and specific engineering specifications of a particular project. The strength and load-bearing capacity of a rebar increase with its diameter. It should be noted that the availability of sizes may differ based on the region or country, as different standards and regulations may be followed. To determine the appropriate size of steel rebars to be used in a construction project, it is always advisable to consult local building codes and seek guidance from engineering professionals.
- Q: What is the difference between plate and steel?
- Steel is commonly known as hot rolled ribbed bar, belonging to the small steel steel, mainly used for steel reinforced concrete structure frame. In use, some mechanical strength, bending deformation property and welding performance are required. 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: Are steel rebars suitable for reinforcement in historical monuments?
- Steel rebars may not be suitable for reinforcement in historical monuments. The use of steel rebars can cause damage to the structural integrity and aesthetics of these monuments. Traditional materials and techniques that are compatible with the existing structure should be considered instead, to ensure the preservation and authenticity of these historical sites.
- Q: Can steel rebars be used in foundation construction?
- Yes, steel rebars can be used in foundation construction. Steel rebars are commonly used to reinforce concrete structures, including foundations, to provide additional strength and durability. They help to prevent cracking and improve the overall stability of the foundation.
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Steel rebar with short delivery time and quality certificate
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
OKorder Service Pledge
OKorder Financial Service
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