HR Steel Rebar

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 25MT m.t.

Supply Capability:: 800000MT/YEAR m.t./month

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Specifications of HR Steel Rebar:

Standard	GB	HRB335 HRB400 HRB500
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length	6M, 9M,12M or as required
Payment term	TT or L/C
Trade terms	FOB, CFR, CIF
Application	Building, construction
Quality	First quality, the goods are from Chinese big manufacturers.
Type	Hot rolled steel rebar
Brand name	DRAGON

Chemical Composition: (Please kindly find our chemistry of our material based on HRB335, HRB400,HRB500 as below for your information)

Grade	Technical data of the original chemical composition (%)
Grade	C	Mn	Si	S	P	Ceq
HRB335	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	0.52
HRB400	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	0.54
HRB500	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	0.55

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

Diameter(mm)	Section area (mm²)	Mass(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	2.00
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
36	1018	7.99
40	1257	9.87
50	1964	15.42

Usage and Applications of HR 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 HR 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

Delivery Detail: within 45 days after received advanced payment or LC.

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

Steel Rebar in stock

Steel Rebar in production line

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: What are the different types of steel rebars used in marine constructions?: The different types of steel rebars commonly used in marine constructions include stainless steel rebars, epoxy-coated rebars, and galvanized rebars. These types of rebars are chosen for their corrosion resistance properties, which are essential in withstanding the harsh marine environment. Stainless steel rebars are highly resistant to corrosion and are often used in marine structures due to their durability. Epoxy-coated rebars have a protective coating that prevents corrosion, making them suitable for marine applications. Galvanized rebars are coated with a layer of zinc, providing excellent corrosion protection and are commonly used in marine construction projects.

Q: Can steel rebars be used in the construction of museums and cultural centers?: Yes, steel rebars can be used in the construction of museums and cultural centers. Steel rebars are commonly used in reinforced concrete structures to enhance their strength and durability. Museums and cultural centers often require robust and long-lasting structures to protect valuable artifacts and withstand potential environmental impacts. Steel rebars provide the necessary reinforcement to ensure the structural integrity of these buildings, making them suitable for such construction projects.

Q: How do steel rebars affect the overall thermal stability of a structure?: The thermal conductivity properties of steel rebars can have a significant impact on the overall thermal stability of a structure. Thermal stability refers to a structure's ability to withstand temperature changes without deformation or damage. Steel rebars possess high thermal conductivity, enabling efficient heat transfer throughout a structure. This characteristic can have positive and negative effects on thermal stability. On the positive side, steel rebars aid in dissipating heat from the structure, preventing heat concentration in specific areas. This prevents localized thermal expansion, which could result in cracks and structural failures. By evenly distributing heat, steel rebars enhance the overall thermal stability. However, steel rebars can also transfer heat to colder areas of the structure, creating thermal gradients. This can cause differential expansion and contraction, leading to stress and potential damage. Additionally, during fire incidents, steel rebars can rapidly heat up and transfer heat to the surrounding concrete, compromising the structure's stability. To mitigate these potential negative effects, engineers and architects must carefully consider the placement, spacing, and design of steel rebars. Proper reinforcement layout and the use of insulation materials can enhance thermal stability. Furthermore, incorporating fire-resistant coatings or insulation around rebars can minimize heat transfer during fires. In conclusion, steel rebars significantly impact the thermal stability of structures. While their high thermal conductivity aids in heat dissipation, it can also lead to thermal gradients and potential damage. By carefully considering design and implementing appropriate measures, the negative effects of steel rebars on thermal stability can be minimized, ensuring the long-term durability and safety of the structure.

Q: What is the maximum spacing allowed between steel rebars in a concrete structure?: The maximum spacing allowed between steel rebars in a concrete structure depends on various factors such as the type of structure, its intended use, and the design specifications. Generally, the maximum spacing is determined by the structural engineer and is based on the required structural integrity, load-bearing capacity, and other relevant considerations.

Q: What is the role of steel rebars in tunnel lining construction?: Steel rebars play a crucial role in tunnel lining construction as they provide reinforcement and strength to the concrete structure. They help to withstand the immense pressure, ground movement, and potential seismic forces that tunnels may experience. Rebars enhance the durability and longevity of the tunnel lining by preventing cracks and ensuring structural integrity, making them an essential component of tunnel construction.

Q: Can steel rebars be used in the construction of retaining walls?: The use of steel rebars is possible in the construction of retaining walls. Typically made from reinforced steel, these rebars are commonly employed in various construction projects, including retaining walls. Their purpose is to reinforce and strengthen the concrete structure of the retaining wall, thus increasing both its stability and durability. The addition of steel rebars enables the retaining wall to better withstand lateral forces resulting from soil or water pressure. Moreover, the presence of steel rebars helps prevent cracking and enhances the overall structural integrity of the retaining wall. Consequently, steel rebars are a crucial constituent in the construction of retaining walls, guaranteeing their long-term stability and functionality.

Q: What are the different types of steel used in the production of rebars?: There are several different types of steel that are commonly used in the production of rebars. The choice of steel depends on various factors such as the desired strength, corrosion resistance, and cost. 1. Mild Steel: This is the most common type of steel used in rebars. It has a low carbon content and is relatively inexpensive. Mild steel rebars are suitable for general construction purposes where high strength is not a requirement. 2. High Strength Deformed Bars (HSD): HSD bars are made from carbon steel with higher yield and tensile strength compared to mild steel. These rebars are commonly used in reinforced concrete structures that require higher load-bearing capacity, such as bridges and high-rise buildings. 3. Carbon Steel: Carbon steel rebars are made from steel alloyed with carbon, which enhances its strength and durability. These rebars are often used in construction projects that require resistance to extreme temperatures and high tensile strength. 4. Stainless Steel: Stainless steel rebars contain a high amount of chromium, which provides excellent corrosion resistance. These rebars are commonly used in coastal areas or structures exposed to high humidity, as they prevent rusting and maintain structural integrity over time. 5. Epoxy-Coated Steel: Epoxy-coated rebars are made by applying a protective coating of epoxy resin on the surface of the steel. This coating provides an additional layer of corrosion resistance, making these rebars suitable for structures exposed to harsh environmental conditions or chemicals. 6. Galvanized Steel: Galvanized rebars are coated with a layer of zinc, which provides excellent corrosion protection. They are commonly used in areas with high humidity, where corrosion is a significant concern. 7. Alloy Steel: Alloy steel rebars are made by adding various elements such as manganese, nickel, or chromium to enhance their mechanical properties. These rebars offer increased strength, improved ductility, and resistance to fatigue, making them suitable for specialized applications such as seismic zones or heavy construction. It is essential to select the appropriate type of steel rebar based on the specific requirements of the construction project to ensure durability, safety, and longevity of the structure.

Q: How do steel rebars affect the overall vibration control of a structure?: Steel rebars can significantly enhance the overall vibration control of a structure. By reinforcing the concrete, rebars increase the structural stiffness and strength, reducing the amplitude of vibrations. They also help distribute and dissipate energy from dynamic loads, thus minimizing the risk of structural failure and enhancing the overall stability. Additionally, rebars can improve the damping characteristics of a structure, reducing the resonant frequencies and attenuating vibrations. Overall, the presence of steel rebars in a structure plays a crucial role in enhancing its vibration control capabilities.

Q: Can steel rebars be used in high-temperature environments?: No, steel rebars should not be used in high-temperature environments as they can lose their strength and structural integrity due to thermal expansion and potential degradation.

Q: What is the lifespan of steel rebars in concrete structures?: The lifespan of steel rebars in concrete structures can vary due to a range of factors. Generally, steel rebars are designed to provide concrete structures with durability and strength. Through proper design, construction, and maintenance, steel rebars can endure for many decades or even up to a century within concrete structures. One crucial factor that affects the lifespan of steel rebars is the quality of materials utilized. Rebars of high quality, which have corrosion-resistant coatings or are made of stainless steel, tend to last longer compared to regular carbon steel rebars. Moreover, the quality of the concrete used and its ability to shield the rebars from moisture and corrosive agents is also significant. Environmental conditions play a significant role in determining the lifespan of steel rebars. Exposure to harsh climates, such as regions with high humidity, saltwater, or acidic environments, can expedite corrosion and reduce the lifespan of the rebars. Adequate protective measures, such as maintaining the proper thickness of concrete cover, implementing waterproofing techniques, and utilizing corrosion inhibitors, can help extend the lifespan of steel rebars in such conditions. Maintenance and inspection are essential to ensure the longevity of steel rebars in concrete structures. Regular inspections should be conducted to detect signs of corrosion, cracking, or damage, and any necessary repairs or protective measures should be promptly undertaken. In certain cases, periodic coating or replacement of rebars may be necessary to uphold the structural integrity of the concrete elements. In conclusion, the lifespan of steel rebars in concrete structures can range from several decades to over a century, depending on various factors including material quality, environmental conditions, and proper maintenance. By implementing appropriate design, construction, and maintenance practices, the lifespan of steel rebars can be significantly prolonged, guaranteeing the long-term integrity and durability of the concrete structure.

Dragon is specialized in the production and sales of deformed bar and high speed wire rod. The annual production capacity is 1 million mtons. We have got the KS certificate in 2010. And now our product has been sold to many countries and obtained the customers approval.

1. Manufacturer Overview

Location	Hebei, China
Year Established	2002
Annual Output Value	Above US$ 400 Million
Main Markets	South Asia; Middle East;Southeast Aisa
Company Certifications

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Tianjin
Export Percentage	60%-80%
No.of Employees in Trade Department	11-20 People
Language Spoken:	English; Chinese
b) Factory Information
Factory Size:	Above 100,000 square meters
No. of Production Lines	2
Contract Manufacturing	OEM service offered
Product Price Range	average