• 55QHG deformed steel bar for construction System 1
  • 55QHG deformed steel bar for construction System 2
  • 55QHG deformed steel bar for construction System 3
55QHG deformed steel bar for construction

55QHG deformed steel bar for construction

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10000 m.t.
Supply Capability:
100000 m.t./month

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Item specifice

Standard:
AISI,JIS,GB,DIN,EN,ASTM
Technique:
Hot Rolled,ERW,Extruded
Shape:
Square,Round,Rectangular
Surface Treatment:
Galvanized,Coated,Bright
Steel Grade:
Q235,Q215B,Q235B,RHB335,HRB400,SS400-SS490
Thickness:
100
Length:
6
Net Weight:
1000

 OKorder is offering high quality 55QHG deformed steel bar for construction 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 European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

55QHG deformed steel bar for construction are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

 

Product Advantages:

OKorder's  deformed steel bar are durable, strong, and resist corrosion.

 

Main Product Features:

·         Premium quality

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

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Specifications:

Standard

GB

HRB400

Diameter

6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,

22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length

6M, 9M,12M or as required

Place of origin

Hebei, China mainland

Advantages

exact size, regular package, chemical and   mechanical properties are stable.

Type

Hot rolled deformed steel bar

Brand name

DRAGON

Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)

Grade

Technical data of the original chemical composition (%) 

C

Mn

Si

S

P

V

HRB400

≤0.25

≤1.60

≤0.80

≤0.045

≤0.045

0.04-0.12

Physical capability

Yield Strength (N/cm²)

Tensile Strength (N/cm²)

Elongation (%)

≥400

≥570

≥14

 

Theoretical weight and section area of each diameter as below for your information:

Diameter(mm)

Section area (mm²)

Mass(kg/m)

Weight of 12m bar(kg)

6

28.27

0.222

2.664

8

50.27

0.395

4.74

10

78.54

0.617

7.404

12

113.1

0.888

10.656

14

153.9

1.21

14.52

16

201.1

1.58

18.96

18

254.5

2.00

24

20

314.2

2.47

29.64

22

380.1

2.98

35.76

25

490.9

3.85

46.2

28

615.8

4.83

57.96

32

804.2

6.31

75.72

36

1018

7.99

98.88

40

1257

9.87

118.44

50

1964

15.42

185.04

1.Diameter:6mm-32mm 
2.Material:BS4449 Grade 460B,ASTM A615 GR60 
3.Length:6-12meters

1. Length: 6m-12m as standard.
2. Reputation first, best competitive price, high quality, quotes price promptly and confirm the delivery on time!

3. Application : Used for housing construction.

4. PRICE: Keep lower operating costs so as to offer competitive price for our clients.

5. Minimum Order Quantity: 300 MTS as per size.
6. Invoicing: Actual or Theoretical Weight Basis as buyer’s request.
7. Payment terms: TT payment in advance or irrevocable LC at sight. 

8. Delivery time: 25-30 days after we receive your TT payment at sight

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 do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

55QHG deformed steel bar for construction

55QHG deformed steel bar for construction

55QHG deformed steel bar for construction

Q:How are steel rebars anchored in concrete foundations?
Steel rebars are anchored in concrete foundations through a process called rebar anchoring. This involves placing the rebars at predetermined positions within the concrete formwork and then pouring the concrete mixture over them. The concrete then hardens, creating a strong bond with the rebars, effectively anchoring them in place.
Q:Are steel rebars suitable for use in historical restoration projects?
Depending on the specific requirements and circumstances, steel rebars may be appropriate for use in historical restoration projects. They possess high strength, durability, and the ability to effectively reinforce structures, making them a popular choice in modern construction and renovation endeavors. Nevertheless, it is crucial to consider the preservation and authenticity of the original structure when contemplating the utilization of steel rebars in historical restoration projects. Historical buildings often possess unique architectural features and materials that must be treated respectfully and preserved. In certain situations, the use of steel rebars may not be suitable, particularly if it compromises the historical integrity or visual appearance of the structure. This is particularly relevant for buildings with significant historical value or those protected by heritage regulations. If it is determined that steel rebars are necessary for structural reinforcement in a historical restoration project, it is vital to integrate them discreetly, minimizing their visual impact. This can be achieved by concealing them within the original materials or utilizing techniques that replicate the appearance of the original construction. In conclusion, while steel rebars offer structural advantages and durability, their use in historical restoration projects should be carefully evaluated to ensure they align with the preservation goals and requirements of the specific project. The preservation of historical authenticity should always be a priority in such endeavors.
Q:Are there any limitations or restrictions on using steel rebars in construction?
Yes, there are certain limitations and restrictions on using steel rebars in construction. Firstly, the size and shape of rebars should comply with the specifications provided by engineering and construction standards. Additionally, the placement and spacing of rebars should follow the structural design and building codes to ensure proper reinforcement and structural integrity. Moreover, any potential corrosion or exposure to harsh environments can affect the durability of steel rebars, so appropriate protective measures should be taken. Lastly, the cost of steel rebars can be a limitation, especially in projects with budget constraints.
Q:What is the role of steel rebars in minimizing the risk of structural collapse?
Steel rebars play a critical role in minimizing the risk of structural collapse in buildings and other construction projects. These reinforcing bars, commonly known as rebars, are made from steel and are used to reinforce concrete structures. They provide additional strength and durability to the concrete, making it more resistant to various forces and reducing the likelihood of collapse. One of the primary causes of structural failure is the inability of a building or structure to withstand the forces it experiences. These forces can include the weight of the structure itself, as well as external forces such as wind, earthquakes, and even human activities. Without proper reinforcement, concrete alone may not be able to bear these forces, leading to structural collapse. Steel rebars are strategically placed within the concrete to enhance its tensile strength. While concrete is very strong in compression, it is relatively weak in tension. By adding steel rebars, the concrete becomes much more resistant to tension and can better resist bending and cracking. This reinforcement allows the structure to distribute loads more evenly and prevents localized failures. Furthermore, steel rebars also help to control and limit the propagation of cracks within the concrete. In the event of a crack formation, the rebars act as a barrier and hold the concrete together, preventing further cracking and potential collapse. This is especially important in areas prone to seismic activities, as the rebars can help dissipate and absorb the energy generated by an earthquake. In addition to their structural role, steel rebars also contribute to the longevity and durability of the concrete structure. By reinforcing the concrete, rebars help to prevent corrosion and degradation caused by environmental factors such as moisture and chemicals. This ensures that the structure remains intact and stable over a longer period of time, reducing the risk of collapse due to deterioration. In summary, the role of steel rebars in minimizing the risk of structural collapse is crucial. They provide additional strength and durability to the concrete, enhancing its ability to withstand various forces and preventing failure. By reinforcing the concrete, rebars distribute loads, control crack propagation, and contribute to the longevity of the structure, ultimately ensuring the safety and stability of buildings and other construction projects.
Q:Are steel rebars suitable for use in industrial facilities?
Steel rebars are an excellent choice for industrial facilities due to their high suitability. They are commonly employed in construction projects to reinforce concrete structures, and their strength and robustness make them ideal for environments that experience heavy loads and high stress. By utilizing steel rebars, the structural integrity and load-bearing capacity of the facility are enhanced, ensuring its ability to withstand the demands of industrial operations. Moreover, steel rebars demonstrate exceptional resistance to corrosion, which is particularly important in industrial settings where exposure to moisture, chemicals, and other corrosive substances is prevalent. In conclusion, steel rebars offer the necessary durability, strength, and corrosion resistance required for reinforcing concrete structures in industrial facilities, making them a suitable choice.
Q:What are the different types of steel rebars used in tunnel constructions?
In tunnel constructions, various types of steel rebars are used to enhance the structural integrity and strength of the tunnels. These rebars are crucial components that provide reinforcement and stability to the tunnel structures. Here are some of the different types of steel rebars commonly used in tunnel constructions: 1. Mild Steel Rebars: Mild steel rebars, also known as black or carbon steel rebars, are the most commonly used type of rebars in tunnel constructions. They are cost-effective and possess adequate strength to meet the structural requirements of tunnels. 2. High-Strength Steel Rebars: High-strength steel rebars, also referred to as tension steel, have enhanced tensile strength, making them ideal for tunnel constructions where high load-bearing capabilities are required. These rebars are typically made from alloys such as ASTM A615 Grade 80 or ASTM A706 Grade 80. 3. Stainless Steel Rebars: Stainless steel rebars are corrosion-resistant and offer excellent durability in harsh tunnel environments. They are commonly used in tunnel constructions where corrosion protection is essential, such as in marine or coastal areas. 4. Epoxy-Coated Rebars: Epoxy-coated rebars are regular mild steel rebars with an epoxy coating applied to protect them from corrosion. They are commonly used in tunnel constructions where the tunnels are exposed to moisture, chemicals, or other corrosive elements. 5. Galvanized Rebars: Galvanized rebars are coated with a layer of zinc to protect them from corrosion. They are commonly used in tunnel constructions where the tunnels are exposed to moisture or in areas with high humidity levels. 6. Fiberglass Rebars: Fiberglass rebars, also known as GFRP (Glass Fiber Reinforced Polymer) rebars, are non-corrosive and lightweight. They are used in tunnel constructions where weight reduction is a critical factor or in areas with high electromagnetic interference. 7. Carbon Fiber Rebars: Carbon fiber rebars, also known as CFRP (Carbon Fiber Reinforced Polymer) rebars, possess high tensile strength and are corrosion-resistant. They are commonly used in tunnel constructions where high tensile strength and resistance to chemical or environmental degradation are required. The selection of the appropriate type of steel rebar for tunnel constructions depends on various factors such as load-bearing requirements, exposure to corrosion, environmental conditions, and project budget. Consulting with structural engineers or construction experts is advised to ensure the optimal choice of steel rebars for tunnel projects.
Q:What is the maximum allowable stress for steel rebars?
The maximum allowable stress for steel rebars is typically determined by design codes and standards, which vary depending on the specific application and country. However, in general, the maximum allowable stress for steel rebars is usually around 0.6 times the yield strength of the steel.
Q:What is the effect of steel rebars on the weight of a structure?
Steel rebars have a significant effect on the weight of a structure. Rebars are typically made of steel, which is known for its high strength-to-weight ratio. When incorporated into a structure, these reinforcement bars add strength and rigidity without significantly increasing the overall weight. By reinforcing concrete with steel rebars, the structure becomes better equipped to withstand various forces and stresses, such as tension, compression, bending, and shearing. This reinforcement allows the structure to handle heavier loads and increases its overall durability and longevity. While steel rebars add strength to the structure, they do not significantly contribute to its weight. This is beneficial as it allows for the construction of lighter and more efficient structures. The reduced weight can have several advantages, including lower construction costs, reduced material requirements, decreased transportation costs, and improved seismic performance. Moreover, the use of steel rebars also enables the construction of more slender and aesthetically pleasing structures. The increased strength provided by the rebars allows for the use of thinner concrete sections, resulting in sleek designs and more open spaces. In summary, the effect of steel rebars on the weight of a structure is minimal. Instead, their primary role is to enhance the structural integrity, strength, and durability of the building without adding excessive weight.
Q:How are steel rebars bent or shaped to fit specific construction requirements?
Rebar bending, a commonly used technique in construction, involves shaping steel rebars to meet specific requirements. This process utilizes specialized machines that exert force on the rebars, causing them to bend or conform to desired specifications. The method employed for bending steel rebars varies depending on the complexity of the desired shape. For simpler bends, such as 90-degree angles, manual tools like hammers or manual rebar benders can be utilized. These tools allow construction workers to manually apply force and shape the rebars by hand. However, for more intricate shapes or larger quantities of rebars, mechanical rebar benders are preferred. These machines are equipped with bending dies and rollers that provide greater precision and efficiency in bending the steel rebars. Depending on the size and requirements of the construction project, these machines can be operated manually or powered by hydraulics or electricity. In certain cases, Computer Numerical Control (CNC) machines are employed, particularly for projects with complex or customized rebar shapes. These machines are programmed to automatically bend the rebars to desired angles and shapes, ensuring high levels of precision and accuracy in the construction process. It is important to note that rebar bending extends beyond simple bends or shapes. Some architectural or structural requirements call for curved or spiraled rebars. In such instances, specialized bending machines are used to gradually and precisely apply controlled force to the rebars, resulting in smooth curves or spirals. In summary, the process of bending or shaping steel rebars to meet specific construction requirements involves the use of manual tools, mechanical benders, or CNC machines. These methods guarantee precise bending and shaping of the rebars according to design specifications, facilitating efficient and accurate construction of reinforced concrete structures.
Q:Are steel rebars suitable for use in historical restoration projects?
Yes, steel rebars can be suitable for use in historical restoration projects. They provide structural reinforcement and can help strengthen deteriorated or weakened elements of historical buildings. However, careful consideration should be given to ensure that the use of steel rebars aligns with the original materials and techniques used in the construction of the historical structure. Additionally, the visual impact and authenticity of the restored elements should be taken into account, as steel rebars may not always be ideal for maintaining the historical integrity of the building.

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