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:How do steel rebars affect the overall crack resistance of concrete structures?: Steel rebars play a crucial role in enhancing the crack resistance of concrete structures. When embedded within the concrete, rebars provide reinforcement and increase the tensile strength of the structure. Concrete is inherently strong in compression but weak in tension, and steel rebars help overcome this weakness by absorbing the tensile forces that may cause cracks in the concrete. The presence of rebars in concrete structures allows for the redistribution of stress, preventing cracks from propagating and spreading. As the concrete undergoes shrinkage or experiences external loads, the rebars act as a reinforcement grid and help to resist the formation and expansion of cracks. By absorbing and distributing the tensile stresses, rebars ensure that the concrete remains intact and can withstand higher loads without significant cracking. Moreover, steel rebars also contribute to the overall durability of concrete structures. When corrosion of the rebars occurs due to exposure to moisture or other environmental factors, it can lead to an increase in volume, causing internal pressure and potential cracking of the concrete. However, the use of corrosion-resistant rebars, such as epoxy-coated or stainless steel rebars, can significantly mitigate this risk and improve the crack resistance of the structure. In summary, steel rebars enhance the crack resistance of concrete structures by providing reinforcement, increasing tensile strength, redistributing stress, and preventing crack propagation. Their presence ensures that the structure can withstand various types of loads and environmental conditions, improving both the strength and durability of the concrete.

Q:What is the best way to store steel rebars on site?: The best way to store steel rebars on site is to stack them off the ground on a flat, level surface. They should be stored in an upright position, vertically aligned, and separated by appropriate spacers to prevent any contact or tangling. Additionally, covering them with a protective tarp or material can help shield them from moisture and other elements that may cause corrosion.

Q:How do steel rebars perform in fire-resistant constructions?: Steel rebars perform well in fire-resistant constructions due to their high melting point and thermal conductivity. They can withstand high temperatures for an extended period without significant deformation or loss of strength. This makes them suitable for reinforcing concrete structures in fire-prone areas, providing stability and structural integrity during a fire. Additionally, the thermal conductivity of steel helps to dissipate heat, reducing the risk of localized temperature increases that could compromise the overall fire resistance of the construction.

Q:What are the different types of steel rebars available?: Steel rebars are available in various types, each possessing unique properties and applications. Let's take a look at some of the most prevalent categories: 1. Mild Steel Rebars: These rebars are widely utilized owing to their robustness and durability. They excel in general construction projects and can withstand heavy loads. 2. High-Strength Deformed (HSD) Rebars: Constructed from carbon steel, these rebars undergo heat treatment to enhance their strength and elasticity. Their resistance to corrosion is superior, making them ideal for high-rise buildings, bridges, and structures that require added strength. 3. European Rebars: Manufactured in accordance with European standards, these rebars are primarily composed of mild steel. Their ribbed surface ensures better adherence to concrete, making them suitable for a range of construction applications. 4. Carbon Steel Rebars: These rebars boast a high carbon content, granting them exceptional strength. They are extensively employed in structures demanding remarkable durability, such as bridges and highways. 5. Epoxy-Coated Rebars: These rebars are coated with epoxy to enhance longevity and prevent corrosion. They find common use in marine structures and regions exposed to high humidity or salt. 6. Galvanized Rebars: Coated with a layer of zinc, these rebars offer protection against corrosion. They are commonly employed in moisture-rich areas or coastal regions. 7. Stainless Steel Rebars: Manufactured from stainless steel, these rebars exhibit remarkable resistance to corrosion. They are applied in specialized scenarios, including areas with chemical exposure or structures requiring exceptional durability. To ensure project success, it is crucial to select the appropriate type of steel rebar based on specific requirements such as load-bearing capacity, corrosion resistance, and environmental conditions. Seeking guidance from a structural engineer or construction professional can aid in determining the most suitable rebar for a given undertaking.

Q:Can steel rebars be used in the construction of underground parking facilities?: Yes, steel rebars can be used in the construction of underground parking facilities. Steel rebars are commonly used in reinforced concrete structures to provide strength and durability, making them suitable for underground parking facilities where structural integrity is crucial. The rebars help to reinforce the concrete and increase its load-bearing capacity, ensuring the safety and stability of the parking facility.

Q:How do steel rebars affect the overall stability of a structure?: Steel rebars play a crucial role in enhancing the overall stability of a structure. By reinforcing concrete, rebars increase its tensile strength and prevent cracking or collapsing under heavy loads or external forces. This reinforcement allows the structure to bear more weight, withstand seismic activity, and resist deformation, ultimately ensuring its durability and safety.

Q:Can steel rebars be used in historical restoration projects?: Yes, steel rebars can be used in historical restoration projects. They provide strength and durability, ensuring the structural integrity of the restored building while preserving its historical significance. However, it is essential to carefully consider and plan the placement of rebars to minimize their visual impact and maintain the authenticity of the historical structure.

Q:How do steel rebars improve the load-carrying capacity of concrete?: The load-carrying capacity of concrete is enhanced by steel rebars, which strengthen and reinforce the material. By embedding steel rebars within the concrete, tensile strength is provided to an otherwise tension-weak material. Concrete is known for its strength in compression but lacks strength in tension. The steel rebars serve as a support system within the concrete, ensuring a more even distribution of the load and preventing the occurrence of cracks or failure. When a load is applied, the rebars resist the tensile forces and contribute to holding the concrete together, thereby improving its load-carrying and distribution capabilities. Moreover, steel rebars also enhance the ductility of concrete. Ductility refers to the capacity of a material to deform without fracturing. The inclusion of steel rebars in the concrete increases its flexibility and ability to withstand higher levels of stress and strain without experiencing failure. This is particularly valuable in structures that may face earthquakes, as their ability to absorb and dissipate energy is crucial for maintaining overall integrity. In conclusion, steel rebars bolster the load-carrying capacity of concrete by providing tensile strength, promoting even load distribution, preventing cracks, and enhancing overall ductility. This reinforcement and strength enhancement greatly enhance the stability and durability of concrete structures.

Q:How do steel rebars resist fatigue and creep?: Steel rebars resist fatigue and creep due to their high tensile strength and ductility. The robustness of steel allows rebars to endure repeated loading cycles without experiencing significant fatigue damage. Additionally, the high stiffness and resistance to deformation of steel rebars prevent creep, which is the gradual deformation under sustained loads over time. Overall, the combination of strength, ductility, and stiffness in steel rebars enables them to withstand fatigue and creep effectively.

Q:Why the longitudinal tie bar adopts screw steel bar, and the transverse transmission bar adopts light round steel bar.: Longitudinal tie rod. Longitudinal seam usually has longitudinal contraction joint and longitudinal construction joint two kinds, two kinds of longitudinal joints should be provided with tie rod. The bar shall be designed with the length of the threaded steel to ensure the bond between it and the concrete, and the diameter and spacing of the tie rod shall also be guaranteed. Thus, the tie rod can not provide enough tensile force, and when the concrete faceplate is contracted, the longitudinal joint is pulled apart to form a crack.

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