• ASTM STANDARD HIGH QUALITY HOT ROLLED STEEL REBAR System 1
  • ASTM STANDARD HIGH QUALITY HOT ROLLED STEEL REBAR System 2
  • ASTM STANDARD HIGH QUALITY HOT ROLLED STEEL REBAR System 3
ASTM STANDARD HIGH QUALITY HOT ROLLED STEEL REBAR

ASTM STANDARD HIGH QUALITY HOT ROLLED STEEL REBAR

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
100000 m.t./month

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Product Description:

Specifications of Hot Rolled Steel Rebar:

The production process of Steel Rebar

1-Waling beam furnace  2-Roughing rolling group  3-Intermediate rolling train

4-Finishing rolling group  5-Water-cooling device  6-Walking beam cooler

7-Finishing equipment(including the cold scale shear,short feet collection system,

    automatic counting device,bundling machine, collect bench)

Usage and Applications of Hot Rolled Steel Rebar:

Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy  and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..

Packaging & Delivery of Hot Rolled Steel Rebar:

Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.

Each bundle weight: 2-3MT, or as required

Payment terms: TT payment in advance or Irrevocable LC at sight.

Trade terms :FOB, CFR, CIF

Label:to be specified by customer, generally, each bundle has 1-2 labels

Note:

1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.

2. Other Grade and Standard Deformed Steel Bar we can supply:

   Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S

   Standard: ASTM, BS, DIN

   The Minimum Order Quantity of these products is high, and need to be confirmed.

3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.

4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.

 

 

 


Q:How can the quality of steel rebars be tested?
To ensure the strength and reliability of steel rebars, there are various methods available for testing their quality. Some commonly used techniques include: 1. Conducting a visual inspection to identify any visible defects like surface cracks, unevenness, or corrosion that may impact performance. 2. Analyzing the chemical composition of the rebars through spectroscopy or similar methods to ensure compliance with required standards. This analysis verifies the presence and percentage of elements such as carbon, manganese, and silicon. 3. Testing the rebars' tensile strength by subjecting a sample to tension until it fractures. The maximum force applied before breaking determines the tensile strength and helps identify weak spots or inconsistencies. 4. Evaluating the ductility of rebars through a bend test, bending them to a specific angle without any signs of cracking or fracture. This ensures the rebars can withstand bending and shaping during construction without compromising their structural integrity. 5. Using ultrasonic testing to detect internal flaws or defects within the rebars. This non-destructive method helps identify hidden cracks, voids, or inclusions that could weaken the rebars. 6. Determining the hardness of the rebars using the Rockwell or Brinell hardness test. This test measures the resistance of the rebar's surface to indentation, providing insight into its strength. 7. Subjecting the rebars to corrosion resistance testing, such as salt spray testing or electrochemical methods, to assess their resistance against rust and other types of corrosion. By combining these testing methods, manufacturers, construction companies, and engineers can ensure that steel rebars meet the required quality standards and can withstand the intended load and environmental conditions.
Q:Can steel rebars be used in modular bridge construction?
Yes, steel rebars can be used in modular bridge construction. Steel rebars provide strength, durability, and structural stability to the bridge modules, making them an ideal choice for this type of construction.
Q:What is the effect of vibration on steel rebars?
The effect of vibration on steel rebars can lead to improved concrete consolidation and bonding, as it helps to remove air voids and ensures better adhesion between the rebar and the concrete. Vibration also helps in reducing the risk of honeycombing, enhancing the strength and durability of the reinforced concrete structure.
Q:Can steel rebars be galvanized for added protection?
Yes, steel rebars can be galvanized for added protection. Galvanizing is a process where a thin layer of zinc is applied to the surface of the steel rebar. This zinc coating acts as a sacrificial layer that provides protection against corrosion. It forms a barrier between the steel and the environment, preventing moisture and other corrosive elements from reaching the surface of the rebar. Galvanized steel rebars are commonly used in construction projects, particularly in areas where corrosion is a concern, such as coastal regions or environments with high humidity. The galvanizing process enhances the longevity and durability of the steel rebar, making it resistant to rust and corrosion.
Q:Are steel rebars suitable for reinforcement in residential buildings?
Yes, steel rebars are suitable for reinforcement in residential buildings. Steel rebars provide strength, durability, and resistance to corrosion, making them an ideal choice for reinforcing concrete structures in residential buildings. They help to enhance the overall structural integrity and safety of the building, ensuring it can withstand various loads and forces over time.
Q:Can steel rebars be used in offshore oil rig construction?
Indeed, offshore oil rig construction can make use of steel rebars. These rebars are widely employed in the construction field, including the creation of offshore structures like oil rigs. By reinforcing concrete structures, steel rebars guarantee the solidity and robustness of the overall construction. In the context of offshore oil rig construction, it is customary to embed steel rebars within concrete foundations, columns, and other structural components to bolster their resistance against external forces such as wind, waves, and seismic activity. Through the incorporation of steel rebars, the durability and safety of offshore oil rigs are effectively ensured, rendering them fitting for the challenging conditions encountered in offshore environments.
Q:Can steel rebars be used in corrosive chemical environments?
When steel rebars are used in corrosive chemical environments, their performance and durability may be compromised. Certain chemicals, especially acidic ones or those containing chlorides, can cause corrosion in steel. This corrosion can lead to structural damage and a decrease in load-bearing capacity. To reduce the risk of corrosion, there are several measures that can be taken. One common approach is to apply a protective coating, such as epoxy or zinc, onto the rebars. This creates a barrier between the steel and the corrosive environment. Another option is to use stainless steel rebars or other corrosion-resistant alloys, which offer better resistance against chemical corrosion. To determine the best course of action, it is essential to consider the specific chemicals present in the environment. Consulting with corrosion engineers and experts is recommended. Regular maintenance and inspections are also necessary to promptly identify any signs of corrosion and take corrective action. This ensures the reinforced concrete structures remain structurally sound and safe.
Q:Can steel rebars be used in pre-tensioned concrete structures?
No, steel rebars cannot be used in pre-tensioned concrete structures. Pre-tensioned concrete structures rely on the use of high-strength tendons made of materials such as high-strength steel or carbon fiber reinforced polymers (CFRP) to apply tension to the concrete before it cures. This pre-tensioning process helps in enhancing the structural strength and load-bearing capacity of the concrete elements. Steel rebars, on the other hand, are used in reinforced concrete structures where they provide additional strength to resist tensile forces.
Q:Can steel rebars be used in coastal construction?
Coastal construction can indeed utilize steel rebars. Steel rebars find widespread application in coastal construction due to their exceptional strength and durability. Their ability to withstand corrosion is particularly important in coastal areas where the presence of saltwater and high humidity can accelerate the corrosion process. Moreover, steel rebars possess the capacity to withstand the forces exerted by waves and strong winds commonly encountered in coastal regions. They serve as a reliable source of structural support for buildings, bridges, seawalls, and other coastal infrastructure. Nevertheless, it is crucial to implement appropriate protective measures, such as utilizing corrosion-resistant coatings or stainless steel rebars, to further augment their longevity and durability in coastal environments.
Q:What are the different types of steel rebars available for different applications?
There are several types of steel rebars available for different applications, including carbon steel rebars, epoxy-coated rebars, stainless steel rebars, and galvanized rebars. Each type has its own unique properties and benefits, making them suitable for various construction projects based on factors like corrosion resistance, strength requirements, and environmental conditions.

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