Metallic material steel rebar for construction concrete for building metal
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Specification
Standard:
AISI
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
Q195,Q215,Q215B,Q235B,RHB335,HRB400,Q235
Thickness:
6-50mm
Length:
5.8-12M
Net Weight:
1-2.5MT
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 marking of the steel bars on the mills? Which factory is the 2LG16 thread?
- 2LG16 thread manufacturer is the Laiwu iron and steel works, referred to as "Laiwu Steel", the letter "LG", indicating that the steel produced by the diameter of 16 of the two grade thread steel.
- Q: What are the guidelines for the proper spacing of steel rebars in beams?
- The guidelines for the proper spacing of steel rebars in beams are determined by engineering standards and codes. These guidelines ensure the structural integrity and strength of the beam. Here are some general guidelines to consider: 1. Rebar spacing: The spacing between rebars should be such that it allows for proper concrete placement and consolidation. Typically, the spacing is measured in terms of rebar diameter or as a percentage of the beam depth. The specific spacing requirements may vary based on factors such as the beam size, load requirements, and design specifications. 2. Minimum and maximum spacing: There are usually minimum and maximum spacing requirements for rebars in beams. The minimum spacing ensures proper concrete cover around the rebar to protect it from corrosion and provide fire resistance. The maximum spacing helps in distributing the loads evenly and prevents excessive cracking of the concrete. 3. Concrete cover: The rebars should be adequately covered by concrete to provide protection against corrosion and provide fire resistance. The concrete cover is the distance between the outer surface of the rebar and the edge of the beam. The required concrete cover is specified in engineering codes and is based on factors such as exposure conditions, durability requirements, and fire ratings. 4. Spacing around supports and openings: Special attention should be given to the spacing of rebars around supports such as columns and walls, as well as around openings like doorways or windows. These areas may experience higher stresses and require additional reinforcement. Engineering codes provide specific requirements for these situations, taking into account the size and shape of the supports or openings. 5. Lateral and longitudinal reinforcement: In addition to the spacing of rebars along the length of the beam (longitudinal reinforcement), beams may require additional reinforcement in the form of stirrups or ties (lateral reinforcement). These elements provide resistance against shear forces and help in preventing diagonal cracking. The spacing and size of these additional reinforcement elements are determined based on the design requirements and load conditions. It is important to note that the specific guidelines for spacing of steel rebars in beams may vary depending on regional building codes, project specifications, and engineering standards. Therefore, it is crucial to consult with a qualified structural engineer or refer to the applicable building codes and design documents for accurate and up-to-date guidelines.
- Q: Can steel rebars be used in the construction of dams or reservoirs?
- Yes, steel rebars can be used in the construction of dams or reservoirs. Steel rebars provide structural reinforcement and enhance the strength and durability of concrete structures, making them suitable for large-scale projects like dams and reservoirs.
- Q: Are steel rebars suitable for use in sports stadiums and arenas?
- Steel rebars are indeed suitable for use in sports stadiums and arenas. They are extensively utilized in construction due to their exceptional strength and durability properties. In settings such as sports stadiums and arenas, where there is a convergence of large crowds, heavy loads, and utmost concern for safety, steel rebars play a vital role in fortifying the structure. They possess the capacity to endure high tensile forces and prevent bending, making them an ideal choice for reinforcing concrete structures within stadiums and arenas. Moreover, steel rebars exhibit a high resistance to fire, which is of utmost importance in these sprawling public spaces. All in all, steel rebars are a dependable and well-established option for reinforcing sports stadiums and arenas, as they effectively provide the necessary support and meet safety requirements.
- Q: How do steel rebars affect the shrinkage and creep of concrete?
- Steel rebars can have a significant impact on the shrinkage and creep behavior of concrete. Shrinkage refers to the reduction in volume of concrete due to the loss of moisture during the drying process, while creep refers to the time-dependent deformation of concrete under sustained load. The presence of steel rebars helps to mitigate the shrinkage of concrete. As the concrete shrinks, the rebars, being much stiffer than concrete, resist this shrinkage and provide a restraining effect. This restraint reduces the overall volume change of the concrete and helps to minimize cracking that may occur due to shrinkage. Additionally, the tensile strength of the steel rebars allows them to distribute stress and prevent localized cracking, further reducing the impact of shrinkage on the overall performance of the concrete. In terms of creep, the presence of steel rebars can increase the creep deformation of concrete. This is because the rebars can introduce additional stress and strain into the concrete, leading to greater creep deflections. However, the effect of steel rebars on creep is generally considered to be minor compared to other factors such as the mix design, water-cement ratio, and curing conditions. It is important to note that proper design and detailing of the reinforcement layout can help minimize the impact of steel rebars on shrinkage and creep. Adequate spacing and cover of rebars, as well as appropriate reinforcement ratios, can optimize the performance of both the concrete and the rebars. Additionally, the use of supplementary cementitious materials like fly ash or silica fume can also help reduce shrinkage and mitigate the impact of creep. In summary, steel rebars play a crucial role in minimizing the shrinkage-related issues in concrete by providing restraint and distributing stress. While they may increase the creep deformation of concrete, their impact is generally minor compared to other factors. Proper design and detailing of the reinforcement can optimize the performance of both concrete and steel rebars in terms of shrinkage and creep.
- Q: What are the different types of steel rebars used in dam construction?
- There are primarily three types of steel rebars used in dam construction: mild steel rebars, high-strength rebars, and epoxy-coated rebars. Mild steel rebars are the most commonly used type and offer good strength and durability. High-strength rebars, as the name suggests, have higher tensile strength and are used in areas that require extra reinforcement. Epoxy-coated rebars are coated with epoxy resin, providing protection against corrosion and extending the lifespan of the rebars in dam structures.
- Q: What are the factors to consider while choosing the right type of steel rebar for a project?
- When choosing the right type of steel rebar for a project, several factors need to be considered. These factors include the grade and quality of the steel, the required strength and durability, the environmental conditions of the project site, the structural design and specifications, the budget, and any specific regulations or standards that need to be followed. Additionally, factors such as corrosion resistance, weldability, and availability of the steel rebar should also be taken into account. Overall, a comprehensive analysis of these factors will help in selecting the most suitable steel rebar for the project.
- Q: What is the process of testing the quality of steel rebars?
- To ensure compliance with industry standards and specifications, the quality of steel rebars undergoes a series of steps in the testing process. Firstly, visual inspection is conducted to identify any visible defects, such as cracks, irregularities, or improper dimensions. Next, a sample of the rebars is taken for chemical composition analysis. This analysis determines the composition of the steel, including carbon, manganese, sulfur, phosphorus, and other elements, ensuring it meets the required standards for strength and durability. To measure the maximum stress the rebars can endure without deformation or failure, a tensile strength test is performed. This involves applying an increasing load to a sample until it breaks, with the tensile strength calculated by dividing the breaking load by the sample's cross-sectional area. The bend test evaluates the rebar's ductility by bending a sample to a specified angle without any cracks or fractures occurring. This test assesses the rebars' ability to withstand bending and shaping during construction. For rebars intended for use in welded structures, a weldability test is conducted to ensure there are no issues, such as cracking or loss of strength, during the welding process. The rebars are also inspected for dimensional and weight compliance, including length, diameter, and weight. Any deviations from the required specifications may indicate potential quality issues. To assess the rebars' resistance to corrosion over time, a corrosion resistance test is carried out. This involves subjecting the rebars to a corrosive environment or using accelerated corrosion testing methods. Non-destructive testing techniques, such as ultrasonic testing, magnetic particle inspection, or radiographic testing, may be employed to detect any internal defects or irregularities that are not visible to the naked eye. These tests ensure the integrity and quality of the rebars. Once all the tests are completed and the rebars meet the required standards, they are certified and documented. This documentation serves as evidence of the rebars' quality and compliance, ensuring safety and durability in construction projects. By following these comprehensive testing procedures, builders, engineers, and end-users can be assured that the steel rebars meet the necessary quality standards for their intended applications.
- Q: How do steel rebars comply with building codes and regulations?
- Steel rebars comply with building codes and regulations by meeting the specific requirements outlined for their use in construction projects. Building codes and regulations are established to ensure the safety, durability, and structural integrity of buildings. Here are a few ways steel rebars comply with these codes and regulations: 1. Material Standards: Steel rebars must meet certain material standards set by the building codes. These standards specify the type, grade, and quality of steel allowed for construction purposes. For example, the American Society for Testing and Materials (ASTM) has established standards for steel rebars, such as ASTM A615, which outlines the requirements for deformed and plain carbon-steel bars. 2. Size and Shape: Building codes specify the dimensions and shape of rebars to be used in different structural elements, such as beams, columns, and slabs. Steel rebars must comply with these size and shape requirements to ensure proper fit and structural integrity. 3. Placement and Spacing: Building codes dictate the proper placement and spacing of rebars within concrete structures. These codes specify the minimum and maximum distances between rebars, as well as the cover requirements (distance from the surface of the concrete). Compliance with these regulations helps enhance the strength and durability of the structure. 4. Welding and Connection: If welding or connecting rebars is necessary, building codes provide guidelines on the proper welding techniques and requirements. These regulations ensure that the welded or connected rebars provide the necessary strength and stability to the structure. 5. Testing and Certification: Steel rebars need to undergo various tests to ensure compliance with building codes and regulations. These tests include tensile strength, yield strength, elongation, and bending tests. Products that pass these tests are certified as compliant and can be used in construction projects. By adhering to these building codes and regulations, steel rebars contribute to the overall safety and integrity of the structures they are used in. Compliance ensures that the rebars meet the necessary standards and perform their intended function effectively.
- Q: Can steel rebars be used in the construction of theme parks and entertainment venues?
- Yes, steel rebars can be used in the construction of theme parks and entertainment venues. Steel rebars provide strength and durability, making them ideal for supporting heavy structures and withstanding the wear and tear associated with high foot traffic and dynamic loads in such venues. Additionally, steel rebars can be easily molded into various shapes and sizes, allowing for versatile and efficient construction in theme parks and entertainment venues.
Send your message to us
Metallic material steel rebar for construction concrete for building metal
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
