• Hot Rolled Steel Rebars Deformed bar JIS standard System 1
  • Hot Rolled Steel Rebars Deformed bar JIS standard System 2
  • Hot Rolled Steel Rebars Deformed bar JIS standard System 3
Hot Rolled Steel Rebars Deformed bar JIS standard

Hot Rolled Steel Rebars Deformed bar JIS standard

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
100 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Steel Rebars Deformed bar JIS standard at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

Hot Rolled Steel Rebars Deformed bar JIS standard are ideal for structural applications and are widely used in  forest region, Mines, factories and construction sites laid of the place such as temporary transport line and light motorcycles with line..

 

Product Advantages:

OKorder's Hot Rolled Steel Rebars Deformed bar JIS standard are durable, strong, and wide variety of sizes.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Specifications:

Manufacture: Hot rolled

Grade: HRB335,HRB400,HRB500

Certificates: ISO, SGS, BV, CIQ

Diameter:10mm-32mm

Packing: products are packed in coils and shipped by break bulk or containers

Deformed Steel Bar

Diameter

(MM)

Cross

Sectional

Area

(MM2)

Theorectical

Weight

(KG/M)

6

28.27

0.222

8

50.27

0.395

10

78.54

0.617

12

113.1

0.888

14

153.9

1.21

16

201.1

1.58

18

254.5

2

20

314.2

2.47

22

380.1

2.98

25

490.9

3.85

28

615.8

4.83

32

804.2

6.31

 

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How many tons of steel products could be loaded in containers?

A2: Usually the steel products are delivered by bulk vessel because of the large quantity and the freight. However, there are no bulk vessel enter some seaports so that we have to deliver the cargo by containers. The 6m steel product can be loaded in 20FT container, but the quantity is changed according to the size, usually from 18tons to 25tons.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.

 

Images:

 

Q: Are there any limitations in using steel rebars in construction?
Yes, there are limitations in using steel rebars in construction. Some of the limitations include susceptibility to corrosion, which can weaken the structure over time if not properly protected; limited flexibility compared to other materials, which may impact design options; and potential weight constraints in certain applications. Additionally, steel rebars can be expensive, requiring careful budgeting and cost considerations during construction projects.
Q: What are the factors that can cause steel rebars to corrode prematurely?
Premature corrosion of steel rebars can be influenced by various factors. Some of these include: 1. Moisture exposure: The presence of moisture is a primary catalyst for rebar corrosion. Prolonged exposure to water or high humidity levels can lead to rust or oxidation on the rebar surface. 2. Chloride ions: The corrosion process of steel rebars can be accelerated by chloride ions, commonly found in seawater or de-icing salts. These ions can enter the concrete cover and come into contact with the rebar, causing faster corrosion. 3. Carbonation of concrete: Concrete carbonation occurs when atmospheric carbon dioxide reacts with the alkaline components of concrete. This process reduces pH levels, diminishing the concrete cover's ability to passivate and increasing the likelihood of rebar corrosion. 4. Inadequate concrete cover: Insufficient concrete cover exposes rebars to external elements like moisture and chloride ions, leading to accelerated corrosion. Poor construction practices or inadequate design specifications can result in insufficient cover. 5. Poor concrete quality: Low-quality concrete used in construction may contain impurities or lack proper curing, making the concrete more permeable. This allows harmful substances like moisture and chlorides to penetrate easily, causing premature rebar corrosion. 6. Galvanic corrosion: Galvanic corrosion occurs when dissimilar metals come into contact in the presence of an electrolyte, such as moisture. For instance, if steel rebars come in contact with aluminum or copper materials, galvanic corrosion can occur. 7. Construction defects: Issues during the construction phase, such as inadequate workmanship or insufficient protective measures, can contribute to premature rebar corrosion. Examples include poor concrete compaction, improper reinforcement placement, or inadequate waterproofing. To prevent premature corrosion of steel rebars, it is essential to use high-quality materials, ensure adequate concrete cover, apply corrosion-resistant coatings or inhibitors, and employ appropriate construction practices. Regular inspections and maintenance can also help identify and address potential corrosion issues before they worsen.
Q: Why the longitudinal tie bar adopts screw steel bar, and the transverse transmission bar adopts light round steel bar.
Dowel arm for transverse construction joint. The transverse construction dowel bar is applied with a light circle and half coated with asphalt, allowing sliding. In practical application, the construction units are convenient for drawing, often use thread steel, and do not apply asphalt. The concrete pouring time on both sides of the construction joint is different, the contraction during the condensation process is not synchronous, and the dowel bar can not be stretched and formed a weak link. Cracks occur at this weak point when concrete slabs contract under loads or natural factors.
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 use corrosion-resistant steel rebars, such as epoxy-coated or stainless steel rebars, to prevent rust and deterioration caused by the harsh saltwater environment.
Q: What are the different types of surface finishes available for steel rebars?
There are several different types of surface finishes available for steel rebars, each with its own unique characteristics and advantages. Here are some of the most common types: 1. Black/Uncoated Finish: This is the most basic type of surface finish for steel rebars. It involves leaving the rebar in its natural state without any additional coating or treatment. While it provides no corrosion protection, it is often used in applications where the rebar will be encased in concrete. 2. Epoxy-Coated Finish: In this type of finish, a layer of epoxy coating is applied to the surface of the rebar. This coating provides excellent corrosion resistance and helps to extend the lifespan of the rebar. Epoxy-coated rebars are commonly used in marine environments or in structures exposed to harsh weather conditions. 3. Galvanized Finish: Galvanizing involves applying a layer of zinc coating to the surface of the rebar. This coating acts as a barrier against corrosion and provides long-lasting protection. Galvanized rebars are commonly used in areas with high moisture content or in structures exposed to corrosive chemicals. 4. Stainless Steel Finish: Stainless steel rebars are made from a corrosion-resistant alloy that contains a high percentage of chromium. This type of finish is highly resistant to corrosion, even in harsh environments. Stainless steel rebars are typically used in structures where long-term durability is essential, such as in bridges and parking garages. 5. Ribbed Finish: Ribbing refers to the pattern or texture that is added to the surface of the rebar. This type of finish improves the bond strength between the rebar and the surrounding concrete, enhancing the structural integrity of the construction. Ribbed finishes are commonly used in reinforced concrete structures. It is important to consider the specific requirements of your project when selecting a surface finish for steel rebars. Factors such as environmental conditions, exposure to moisture or chemicals, and the desired lifespan of the structure will all influence the choice of surface finish. Consulting with a structural engineer or construction professional can help determine the most suitable finish for your particular application.
Q: What are the factors to consider when choosing the right steel rebar for a project?
When choosing the right steel rebar for a project, several factors should be considered. Firstly, the grade of the steel rebar is crucial as it determines the strength and durability of the structure. The project's design specifications and load-bearing requirements should guide the selection of the appropriate grade. Secondly, the diameter and shape of the rebar are essential considerations. The diameter determines the structural capacity, while the shape, whether it is plain or deformed, influences the bonding with concrete. Moreover, the corrosion resistance of the steel rebar is vital, especially in environments prone to moisture or chemical exposure. Coating options, such as epoxy or galvanized, can enhance the rebar's longevity. Additionally, the availability and cost of the steel rebar should be evaluated. It is important to source the rebar from reputable suppliers who can provide the required quantity and quality within the project's budget. Lastly, adherence to local building codes and regulations is crucial. Compliance with standards and specifications ensures that the chosen steel rebar meets the necessary requirements for the project, ensuring safety and legality.
Q: Can steel rebars be used in hotel construction?
Yes, steel rebars can be used in hotel construction. Steel rebars are commonly used in reinforced concrete structures, including the construction of hotels, due to their high tensile strength and ability to provide reinforcement and stability to the building.
Q: How do steel rebars affect the crack width in reinforced concrete?
Steel rebars play a crucial role in controlling and minimizing the crack width in reinforced concrete structures. The primary function of steel rebars is to provide tensile strength to the concrete, as concrete alone is weak in tension. When a load is applied to the reinforced concrete, the steel rebars resist the tensile forces, preventing cracks from widening. The presence of steel rebars helps distribute the stress and strain more evenly throughout the concrete. As a result, the cracks that may occur due to external loads or shrinkage are confined and their width is limited. The rebars act as reinforcement, inhibiting the propagation of cracks and reducing their width. This is especially important in structural elements such as beams and columns, where crack control is critical for maintaining the integrity and durability of the structure. The diameter, spacing, and arrangement of the rebars also influence the crack width in reinforced concrete. Properly designed and placed rebars provide optimal crack control. As the diameter and spacing of the rebars decrease, the crack width decreases as well. Additionally, the arrangement of rebars in a specific pattern, such as using a mesh or a grid, can further enhance crack control by providing additional resistance to crack propagation. Moreover, the bond between steel rebars and concrete is essential in crack width control. Adequate bond strength ensures that the rebars effectively transfer stress to the concrete, limiting crack width. Insufficient bond can lead to slip between the steel rebars and the concrete, allowing cracks to widen. In summary, steel rebars significantly affect crack width in reinforced concrete by providing tensile strength, distributing stress and strain, confining cracks, and enhancing the bond between the steel and concrete. Proper design, placement, and arrangement of rebars are crucial for effective crack control, improving the overall performance and longevity of reinforced concrete structures.
Q: Can steel rebars be used in structures with high chemical exposure?
No, steel rebars should not be used in structures with high chemical exposure as they can corrode and weaken over time, compromising the structural integrity of the building.
Q: Do steel rebars have any specific markings or codes?
Yes, steel rebars typically have specific markings or codes to indicate their size, type, and grade. These markings are essential for identifying and ensuring the correct usage of rebars in construction projects.

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