• GB HRB400 HRB500 BS4449 ASTM A615 GR40 GR60 steel rebar System 1
  • GB HRB400 HRB500 BS4449 ASTM A615 GR40 GR60 steel rebar System 2
GB HRB400 HRB500 BS4449 ASTM A615 GR40 GR60 steel rebar

GB HRB400 HRB500 BS4449 ASTM A615 GR40 GR60 steel rebar

Ref Price:
get latest price
Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
19863 m.t./month

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Item specifice

Standard:
AISI
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,HRB400
Certification:
ISO,CE
Thickness:
6-38mm
Length:
6-12m
Net Weight:
1-2.5MT

Rebar called reinforcing bars, steel rebar is metal bars often used in construction for pouring concrete or 

supporting walls and columns. The rebar can be smooth, though they are frequently manufactured with 

deformations that create greater texture to which concrete can adhere, creating a stronger bond that helps 

prevent cracking of concrete. These deformations do not create weaknesses in the rebar, and when rebar

is measured to determine its diameter, it is typically measured at the narrowest point. Strength grades

indicate the amount of pressure the steel rebar can withstand, and grade and diameter are typically presented 

in both imperial and metric units

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.
2).30% T/T prepaid and the balance against the copy of B/L.
3).30% T/T prepaid and the balance against L/C

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.



GB HRB400 HRB500 BS4449 ASTM A615 GR40 GR60 steel rebar

GB HRB400 HRB500 BS4449 ASTM A615 GR40 GR60 steel rebar

 

Packing:

In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.

GB HRB400 HRB500 BS4449 ASTM A615 GR40 GR60 steel rebar

GB HRB400 HRB500 BS4449 ASTM A615 GR40 GR60 steel rebar

 

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:Are steel rebars suitable for use in seismic zones?
Yes, steel rebars are suitable for use in seismic zones. Steel rebars are commonly used in construction projects in seismic zones due to their high strength and ductility properties. During an earthquake, buildings and structures experience significant stress and movement, and steel rebars help to reinforce the concrete and provide additional strength and flexibility. This helps to absorb and distribute the energy generated during seismic events, reducing the risk of structural damage or collapse. Additionally, steel rebars are also resistant to corrosion, which is crucial in areas prone to seismic activity as the reinforcement must maintain its integrity over time. Overall, using steel rebars in seismic zones is an effective way to enhance the safety and durability of structures in these high-risk areas.
Q:What are the factors considered in designing with steel rebars?
When designing with steel rebars, several factors are considered to ensure the structural integrity and safety of the final structure. These factors include: 1. Structural requirements: The first consideration is the structural requirements of the project. This includes determining the load capacity, the type of structure, and the desired strength and durability. 2. Building codes and regulations: Designers must adhere to building codes and regulations set by local authorities. These codes dictate the minimum standards for materials, design, and construction, ensuring that the structure meets safety and performance requirements. 3. Material properties: Steel rebars come in various grades and sizes, each with its own set of mechanical properties. The designer must select the appropriate grade and size of rebars based on the structural requirements and specifications. 4. Reinforcement placement and spacing: The proper placement and spacing of steel rebars are crucial for providing adequate reinforcement. This includes determining the number of rebars, their diameter, and the spacing between them to ensure even distribution of forces and prevent structural failure. 5. Concrete cover: Steel rebars must be adequately covered by concrete to protect them from corrosion. The designer must determine the required concrete cover based on environmental conditions, exposure to moisture or chemicals, and the desired service life of the structure. 6. Corrosion protection: Steel rebars are susceptible to corrosion, which can weaken the structure over time. Designers must consider methods of corrosion protection, such as using epoxy-coated rebars, providing additional concrete cover, or implementing cathodic protection systems. 7. Construction process: The design should also take into account the construction process and ease of installation. This includes considering the accessibility of rebars, the feasibility of construction techniques, and any special requirements for placement and anchorage. By considering these factors, designers can create steel rebar designs that meet safety standards, provide adequate reinforcement, and ensure the longevity of the structure.
Q:Can steel rebars be used in sound barrier walls?
Indeed, sound barrier walls can employ steel rebars. These rebars are regularly employed in the construction of reinforced concrete structures, such as sound barrier walls. They furnish the walls with resilience and longevity, guaranteeing their ability to endure the pressures exerted upon them by wind, weather, and impacts. Moreover, steel rebars aid in fortifying the structural integrity of the sound barrier walls, rendering them more impervious to vibrations and the transmission of noise. Consequently, steel rebars are a fitting and frequently utilized material in the construction of sound barrier walls.
Q:Can steel rebars be used in power plant construction?
Yes, steel rebars can be used in power plant construction. Steel rebars, also known as reinforcing bars, are commonly used in the construction industry to provide strength and support to concrete structures. In power plant construction, steel rebars are often used to reinforce concrete foundations, walls, and structural elements such as columns and beams. The high tensile strength and durability of steel rebars make them ideal for withstanding the heavy loads and extreme conditions typically encountered in power plant environments. Moreover, steel rebars can also be used in the construction of reinforcing cages for underground pipelines and cooling towers, enhancing the overall strength and stability of the power plant infrastructure.
Q:What is the fatigue strength of steel rebars?
The maximum stress level that steel rebars can endure without failing or developing cracks is known as their fatigue strength. This strength can vary depending on factors like the steel grade, manufacturing process, surface condition, and the specific design and loading conditions. Compared to other construction materials, steel rebars generally have high fatigue strength. The fatigue behavior of steel rebars is influenced by their mechanical properties, including yield strength, tensile strength, and ductility. Rebars with higher strength tend to have higher fatigue strength. To determine the fatigue strength of steel rebars, they are subjected to cyclic loading at specific stress amplitudes and frequencies in fatigue testing. The number of cycles required for failure or crack initiation is recorded, and the fatigue strength is determined based on the stress level at a specific number of cycles. Considering the fatigue strength of steel rebars is crucial in structural design, particularly in applications with cyclic loading or dynamic forces, such as bridges, buildings, and offshore structures. Engineers and designers must carefully analyze the loading conditions and choose rebars with appropriate fatigue strength to ensure the integrity and durability of the construction.
Q:How do steel rebars affect the flexibility of a structure?
Steel rebars can enhance the flexibility of a structure by providing additional tensile strength and allowing it to better withstand external forces, such as earthquakes or wind loads. The rebars act as reinforcement, distributing stress more evenly throughout the structure and reducing the risk of failure.
Q:How do steel rebars affect the overall fire safety of concrete structures?
Steel rebars can have both positive and negative effects on the fire safety of concrete structures. On one hand, steel rebars help to enhance the structural integrity of concrete by providing reinforcement and preventing collapse during a fire. However, steel has a high thermal conductivity, which means it can transfer heat quickly, potentially accelerating fire spread and compromising the stability of the structure. To mitigate these risks, additional fire protection measures, such as fire-resistant coatings or enclosures, should be implemented to enhance the overall fire safety of concrete structures with steel rebars.
Q:What is the impact of steel rebars on the overall acoustic performance of a structure?
Steel rebars have a minimal impact on the overall acoustic performance of a structure. While they may conduct sound vibrations to some extent, the effect is typically negligible compared to other factors such as wall materials, insulation, and construction techniques.
Q:What are the factors that determine the spacing of steel rebars in a concrete structure?
The spacing of steel rebars in a concrete structure is determined by several factors that ensure the structural integrity and strength of the concrete. These factors include: 1. Structural Design: The spacing of rebars is influenced by the structural design requirements and specifications of the concrete structure. Engineers consider the loads, stresses, and forces that the structure will experience and calculate the required reinforcement spacing accordingly. 2. Concrete Strength: The strength of the concrete being used in the structure is an essential factor in determining rebar spacing. Higher-strength concrete may require closer spacing of rebars to provide adequate reinforcement and prevent cracking or failure under load. 3. Rebar Diameter: The diameter of the steel rebars also plays a role in determining the spacing. Thicker or larger diameter rebars may require wider spacing, whereas thinner rebars typically require closer spacing to provide the desired reinforcement. 4. Bar Bending and Placing: The ease of bending and placing the rebars during construction is another important factor. The spacing is often determined by practical considerations, such as ensuring proper access for workers and equipment, and facilitating the concrete pouring process. 5. Environmental Factors: Environmental conditions, such as exposure to corrosive substances or extreme weather conditions, can influence the spacing of rebars. Closer spacing may be required in corrosive environments to provide additional protection against rust and deterioration. 6. Building Codes and Regulations: Building codes and regulations set by local authorities or relevant organizations also dictate the minimum requirements for rebar spacing in concrete structures. These codes ensure compliance with safety standards and provide guidelines for construction practices. Overall, the spacing of steel rebars in a concrete structure is a critical aspect of ensuring its strength, durability, and resilience. It is determined by a combination of structural design, concrete strength, rebar diameter, construction practicalities, environmental considerations, and adherence to building codes and regulations.
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.

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