Deformed steel bar 6-40 MM HRB 400 HRB 500
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 600 m.t.
- Supply Capability:
- 19452 m.t./month
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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: Can steel rebars be welded or spliced together?
- Steel rebars can be welded or spliced together. Welding is a commonly utilized technique in joining steel rebars. It involves heating the rebars to a high temperature and utilizing a welding electrode to melt the steel, forming a sturdy bond. Welding is commonly employed in construction projects that require continuous reinforcement. Alternatively, splicing involves connecting two rebars using mechanical connectors or couplers. These connectors are designed to offer a dependable and robust connection between the rebars. Splicing is frequently used when extending rebars or joining different rebars. Both welding and splicing methods possess their own advantages and disadvantages. Welding provides continuous reinforcement and establishes a strong bond between the rebars; however, it necessitates skilled labor and can be time-consuming. On the other hand, splicing is a quicker and easier process, but it may slightly reduce the overall strength of the reinforcement. It is crucial to note that the utilization of welding or splicing for steel rebars must conform to the appropriate codes and standards, as well as receive approval from the structural engineer or responsible authority.
- Q: How are steel rebars protected against theft on construction sites?
- Steel rebars are often protected against theft on construction sites through various security measures. These measures can include the use of surveillance cameras, security guards, fencing, and locked storage areas. Additionally, some construction sites may employ the use of tagging or marking systems on the rebars themselves to make them easily traceable and identifiable.
- Q: How are steel rebars used in the construction of tunnels and underground passages?
- Steel rebars are used in the construction of tunnels and underground passages to reinforce the concrete structures. They are embedded within the concrete to increase its strength and prevent cracking or collapsing under the pressure exerted by the surrounding soil or water. The rebars provide structural integrity and durability, ensuring the tunnels and passages can withstand the forces and stresses they encounter.
- Q: How are steel rebars classified based on their grades?
- Steel rebars are classified based on their grades according to their minimum yield strength, which is measured in pounds per square inch (psi). The grades range from Grade 40 to Grade 100, with each grade indicating a specific minimum yield strength.
- Q: Are steel rebars suitable for use in structures with high vibration levels?
- Steel rebars are commonly used in structures with high vibration levels. The strength and durability of steel rebars make them suitable for such applications. When structures are subjected to high vibration levels, the rebars help to provide stability and prevent any potential damage or failure. Steel rebars have excellent tensile strength, which enables them to withstand the dynamic forces generated by vibration. Additionally, steel rebars have good ductility, allowing them to absorb and dissipate energy during vibrations, thereby reducing the risk of structural damage. Proper design and installation techniques, including the use of appropriate reinforcement detailing, can further enhance the performance of steel rebars in structures with high vibration levels. Overall, steel rebars are a reliable choice for ensuring the structural integrity and safety of buildings and infrastructure exposed to significant vibrations.
- Q: How do steel rebars provide flexibility to concrete structures?
- Steel rebars provide flexibility to concrete structures by acting as reinforcement. When concrete is poured around the rebars, they provide tensile strength to the structure, allowing it to withstand external forces and prevent cracking or collapsing. The rebars help distribute the load evenly throughout the concrete, making the structure more flexible and resistant to bending or breaking under pressure.
- Q: What are the common grades of steel rebars?
- The common grades of steel rebars include Grade 40, Grade 60, and Grade 75.
- Q: What are the different methods of protecting steel rebars against corrosion?
- There are several methods used to protect steel rebars against corrosion. These methods include applying a protective coating such as epoxy or zinc, using galvanized rebars, implementing cathodic protection systems, and incorporating corrosion inhibitors in the concrete mix. These techniques help to prevent the penetration of moisture and corrosive substances, prolonging the lifespan and structural integrity of the rebars.
- Q: What is the role of steel rebars in preventing concrete cracking?
- Steel rebars play a crucial role in preventing concrete cracking by providing reinforcement and enhancing the overall strength and durability of concrete structures. When concrete undergoes tensile stress, it tends to crack due to its low tensile strength. However, steel rebars, which are typically embedded within the concrete, act as a reinforcement by absorbing and distributing these tensile forces throughout the structure. The presence of steel rebars in concrete helps to counteract the natural tendency of concrete to crack under tension. When a load is applied to the concrete, the rebars bear a significant portion of the tensile stress, preventing it from being solely concentrated on the concrete matrix. This distribution of forces helps to minimize the formation and propagation of cracks, ensuring the structural integrity of the concrete. Moreover, steel rebars also contribute to the overall strength and durability of concrete structures. The combination of steel's high tensile strength and concrete's compressive strength results in reinforced concrete, which exhibits superior resistance to various external forces such as bending, shear, and seismic loads. This added strength makes the concrete less susceptible to cracking and enhances its ability to withstand heavy loads and environmental factors over time. In summary, steel rebars play a crucial role in preventing concrete cracking by providing reinforcement, absorbing and distributing tensile forces, and enhancing the overall strength and durability of concrete structures. Their presence significantly improves the structural integrity and longevity of concrete, making it a reliable and widely used construction material.
- Q: How do steel rebars contribute to the structural soundness of a building?
- Steel rebars contribute to the structural soundness of a building by providing reinforcement to concrete structures. By adding strength and stability to the concrete, rebars help prevent cracks and structural failures, especially during heavy loads, seismic activities, or extreme weather conditions. They enhance the tensile strength of concrete, which is otherwise weak in tension, and allow it to withstand greater forces, thereby increasing the overall durability and longevity of the building.
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Deformed steel bar 6-40 MM HRB 400 HRB 500
- Ref Price:
-
- 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
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