• HRB400 Deformed Steel Bar with high  quality System 1
  • HRB400 Deformed Steel Bar with high  quality System 2
  • HRB400 Deformed Steel Bar with high  quality System 3
HRB400 Deformed Steel Bar with high  quality

HRB400 Deformed Steel Bar with high quality

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 Product Description:

OKorder is offering HRB400 Deformed Steel Bar with high quality 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.

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

CNBM

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

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.

 

Product Applications:

HRB400 Deformed Steel Bar with high quality 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 HRB400 Deformed Steel Bar with high quality 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

 

Product Specifications:

Standard: GB

Material: Q235

Origin place: China

Thickness: 3mm-30mm

Width:20mm-200mm

Length: Max 12m

 

FAQ:

Q1: What makes stainless steel stainless?

A1: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

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.

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

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

bdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Images:

 

 

 

Q:How are steel rebars used in the construction of power plants?
Steel rebars are used in the construction of power plants to reinforce concrete structures, such as foundations, walls, and columns. These rebars provide strength and durability, ensuring the structural integrity of the power plant and its ability to withstand various loads and forces, including earthquakes and extreme weather conditions.
Q:What are the advantages of using corrosion-resistant steel rebars?
The advantages of using corrosion-resistant steel rebars are that they provide increased durability, longer lifespan, reduced maintenance costs, and enhanced structural integrity in reinforced concrete structures.
Q:How do steel rebars affect the overall fire resistance of concrete structures?
The overall fire resistance of concrete structures is greatly affected by steel rebars. These reinforcement bars, also known as steel rebars, are utilized in concrete structures to provide strength and stability. Their behavior when exposed to fire can either improve or weaken the fire resistance of the concrete structure. The fire resistance of the structure benefits from the inclusion of steel rebars. Steel's high thermal conductivity aids in dissipating the heat produced during a fire, preventing localized overheating and reducing the risk of structural failure. This dispersal of heat through the steel rebars slows down the rate at which the concrete's temperature rises, allowing for more time to evacuate and fight the fire. Furthermore, the presence of steel rebars also helps maintain the structural integrity of the concrete during a fire. Concrete has low tensile strength, and when subjected to high temperatures, it tends to crack and spall. However, the presence of steel rebars mitigates this issue by acting as reinforcement, holding the concrete together and preventing it from disintegrating due to heat. However, it is important to note that steel rebars can have a negative impact on fire resistance if not designed or protected properly. Insufficient size and spacing of the rebars can lead to a rapid transfer of heat through the concrete, resulting in premature failure. Additionally, if the rebars are not adequately protected with fire-resistant materials, they can lose their strength and integrity, further compromising the overall fire resistance of the structure. To ensure optimal fire resistance, designers and engineers consider various factors such as the size, spacing, and coating of the steel rebars, as well as the thickness of the concrete cover. Additionally, fireproofing measures such as using intumescent coatings, fire-resistant insulation, and fireproof claddings can be implemented to enhance the fire resistance of steel rebars and the overall concrete structure. In conclusion, steel rebars play a vital role in the fire resistance of concrete structures. When appropriately designed and protected, they enhance fire resistance by dissipating heat and maintaining structural integrity. However, inadequate design or lack of protection can compromise fire resistance. Therefore, it is crucial to adhere to proper design guidelines and implement appropriate fireproofing measures to ensure the overall fire safety of concrete structures.
Q:What are the common challenges in handling steel rebars during construction?
Some common challenges in handling steel rebars during construction include their heavy weight, which can make them difficult to lift and maneuver, the need for proper storage to prevent rusting and damage, the risk of injury if not handled correctly, and the need for precision in cutting and bending them to fit specific structures.
Q:Can steel rebars be used in nuclear power plant construction?
Yes, steel rebars can be used in nuclear power plant construction. Steel rebars are commonly used as reinforcement in concrete structures, including those found in nuclear power plants. They provide strength and help enhance the structural integrity of the buildings and components within the plant. However, specific regulations and standards need to be followed to ensure the rebars meet the necessary requirements for nuclear safety.
Q:Are steel rebars resistant to chemical exposure?
Chemical exposure is usually not a problem for steel rebars due to their resistance. The strength and durability of steel make it less likely to corrode or degrade when it comes into contact with chemicals. However, some chemicals can still harm steel rebars. For instance, acids like sulfuric acid can gradually corrode steel and weaken its structure. Similarly, highly alkaline substances can also cause corrosion in steel rebars. Therefore, even though steel rebars are generally resistant to various chemicals, it is crucial to consider the specific chemical environment and take necessary precautions to safeguard them from potential damage.
Q:How do steel rebars affect the fire resistance of a structure?
The fire resistance of a structure can be affected both positively and negatively by steel rebars. On the positive side, steel rebars provide added strength and stability, enhancing the fire resistance. Having steel rebars in concrete structures can prevent collapse during a fire, giving occupants more time to evacuate and allowing emergency responders to control the situation. However, there are also drawbacks to steel rebars when it comes to fire resistance. Steel is a highly conductive material, meaning it transfers heat quickly. During a fire, the steel rebars can heat up and transfer the heat to the surrounding concrete, potentially weakening its structural integrity. This weakens the fire resistance of the structure. To counteract the negative effects of steel rebars on fire resistance, certain measures can be taken. One common approach is to apply fire-resistant coatings or wraps to the steel rebars. These coatings or wraps act as a barrier, slowing down the heat transfer from the steel to the concrete and enhancing fire resistance. Additionally, the size, spacing, and arrangement of steel rebars also play a role in fire resistance. Proper design and placement of rebars ensure that heat is distributed evenly, reducing the risk of localized weakening and structural failure. In conclusion, steel rebars have a significant impact on the fire resistance of a structure. While they improve overall strength and stability, they can also contribute to heat transfer and potential weakening. By implementing appropriate measures such as fire-resistant coatings and proper design, the negative effects of steel rebars on fire resistance can be minimized, ensuring the safety and integrity of the structure during a fire.
Q:What is the process of handling and transporting steel rebars on-site?
Ensuring the safe and efficient movement of steel rebars on-site involves a series of steps. To begin, the construction site receives the steel rebars, unloading them from the delivery truck and inspecting for any damage or defects. Once unloaded, the rebars are stored in a designated rebar yard, where they are arranged and stacked for easy access and protection against damage or tangling. Depending on the construction project's requirements, the rebars may be cut or bent to a specific shape before installation, utilizing specialized tools and equipment. After cutting and bending, the rebars are transported to the designated work area on the construction site. This can be done manually by workers or with the assistance of mechanical equipment like cranes or forklifts for larger quantities. In the work area, the rebars are installed according to the project's design and specifications, being placed within the appropriate positions in the concrete structure. Throughout the entire process, strict adherence to safety guidelines is crucial to prevent accidents or injuries. This includes wearing protective gear and ensuring that the rebars are handled and transported in a manner that minimizes the risk of tripping or falling. Regular inspections should also be conducted to detect any damage or defects, as these can compromise the structural integrity of the construction project.
Q:What are the common myths and misconceptions about steel rebars?
There are several common myths and misconceptions about steel rebars. One misconception is that all rebars are the same, when in fact there are different grades and types of rebars with varying properties and strengths. Another myth is that steel rebars are prone to rusting easily, but in reality, rebars are typically coated with protective substances or used in conjunction with concrete to prevent corrosion. Additionally, some people believe that steel rebars are not environmentally friendly, but they are actually highly recyclable and can be reused in various construction projects. Overall, it's important to dispel these myths and understand the true characteristics and benefits of steel rebars in construction.
Q:Can steel rebars be used in structures exposed to extreme temperatures?
Yes, steel rebars can be used in structures exposed to extreme temperatures. Steel has high thermal conductivity, which allows it to transfer heat quickly, minimizing the risk of structural damage due to thermal expansion or contraction. However, it is essential to consider the specific temperature range and the potential impact on the structural integrity of the rebar. In extremely high temperatures, other materials or protective measures may be necessary to ensure the stability and safety of the structure.

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