Iron rods for construction concrete for building metal
- 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
You Might Also Like
Specification
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
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: How are steel rebars protected from moisture during storage?
- Steel rebars are typically protected from moisture during storage by using waterproof covers or tarps, storing them in dry and well-ventilated areas, and applying a protective coating such as rust inhibitors or oil.
- Q: What's the difference between primary and two grade steel and three grade steel?
- There are two levels of steel rebar, three steel, four steel grade difference, no grade steel, there are a lot of customers to wire (round) mistakenly called a steel. At present, China is gradually out of grade two steel, four steel grade two steel grade HRB335, three grade steel grade HRB400, four grade of steel wire is HRB500, (Pan Yuan) new material grades are HPB195, HPB235, HPB300, old wire material grades corresponding is Q195, Q235.
- Q: How are steel rebars connected or joined together?
- Steel rebars are typically connected or joined together using different methods, depending on the specific application and structural requirements. The most common methods of connecting steel rebars are: 1. Overlapping: This method involves overlapping two rebars to create a continuous length of reinforcement. The overlapping length should meet the specified design requirements and is typically secured with steel tie wires or mechanical connectors. 2. Welding: Steel rebars can be joined together through welding, which involves melting the ends of the rebars and fusing them together using heat. Welding is a suitable method for connecting rebars in pre-fabricated structures or where high strength and durability are required. 3. Mechanical couplers: Mechanical couplers are pre-fabricated devices that provide a threaded connection between two rebars. These couplers are typically screwed onto the ends of the rebars, creating a strong and reliable connection. Mechanical couplers are commonly used in construction projects where fast installation and ease of use are important. 4. Lap splicing: Lap splicing involves connecting two rebars by overlapping them and securing the overlap with steel tie wires or mechanical connectors. This method is widely used in reinforced concrete structures and provides adequate strength and continuity. 5. Grouted splicing: In grouted splicing, the ends of two rebars are embedded into a sleeve or coupling filled with grout or epoxy resin. This method ensures a strong bond between the rebars, providing enhanced load transfer and corrosion resistance. It is important to note that the connection method used for steel rebars should comply with the applicable building codes and structural design specifications to ensure the overall integrity and safety of the structure.
- Q: What is the maximum length of steel rebars available in the market?
- The maximum length of steel rebars available in the market typically varies, but it is commonly found to be around 40 feet or 12 meters. However, longer lengths can also be custom-made based on specific project requirements.
- Q: Are there any limitations to using steel rebars in construction?
- Yes, there are some limitations to using steel rebars in construction. One limitation is that steel rebars can corrode when exposed to moisture and oxygen, especially in environments with high humidity or near coastal areas where saltwater can accelerate corrosion. This can weaken the structure over time and may require regular maintenance and inspections to prevent structural failure. Another limitation is that steel rebars have a high thermal conductivity, which means they can conduct heat and cold more easily than other materials. This can result in increased energy transfer and potentially affect the overall energy efficiency of the building. Steel rebars are also heavy and require specialized equipment for handling and installation. This can increase construction costs and may limit their use in certain applications where weight is a concern, such as in high-rise buildings or in areas with weak soil conditions. In addition, steel rebars are susceptible to electromagnetic interference, which can be a concern in buildings with sensitive electronic equipment or in areas with high levels of electromagnetic radiation. Lastly, steel rebars are not environmentally friendly as their production contributes to carbon dioxide emissions. They also have a high embodied energy, meaning a significant amount of energy is required to manufacture and transport them. Overall, while steel rebars are widely used in construction due to their strength and durability, it is important to consider these limitations and assess whether alternative materials or construction methods would be more suitable for specific projects.
- Q: Can steel rebars be used in slabs and beams?
- Yes, steel rebars can be used in slabs and beams. Steel rebars, also known as reinforcing bars, are commonly used in concrete construction to provide reinforcement and increase the strength and durability of the structure. In slabs, rebars are typically placed in a grid pattern to distribute the load and prevent cracking or failure of the concrete. They help to control and minimize the formation and propagation of cracks caused by shrinkage, temperature changes, or external loads. Similarly, in beams, rebars are used to enhance the structural integrity and load-bearing capacity of the concrete members. By adding steel rebars to slabs and beams, the overall strength, stiffness, and resistance to bending and shearing forces are significantly improved, ensuring a safer and more reliable construction.
- Q: Can steel rebars be used in the construction of tunnels and underground transportation systems?
- Yes, steel rebars can be used in the construction of tunnels and underground transportation systems. Steel rebars provide structural reinforcement and enhance the overall strength and durability of the underground structures. They are commonly used to reinforce concrete and provide additional support to withstand the loads and stresses experienced in tunnel and underground construction.
- Q: What are the different types of steel rebars used in elevated highways?
- The different types of steel rebars used in elevated highways include carbon steel rebars, epoxy-coated rebars, galvanized rebars, and stainless steel rebars.
- Q: How do steel rebars affect the overall cost of a construction project?
- Steel rebars can significantly affect the overall cost of a construction project. While they add to the material and labor costs, rebars also provide structural strength and reinforcement to concrete, reducing the risk of structural failures and increasing the project's durability. Therefore, although rebars may increase the upfront expenses, their use can help prevent expensive repairs and maintenance in the long run, making them a cost-effective investment in the overall construction project.
- Q: 32 of the rebar is one meter multiple
- Weight per metre (Kg) = diameter of reinforcing bar (mm) * diameter of steel bar (mm) * 0.00617=32*32*0.00617=6.318
Send your message to us
Iron rods for construction concrete for building metal
- 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
Similar products
Hot products
Hot Searches
Related keywords