High Quality Deformed Steel Rebars System 1

High Quality Deformed Steel Rebars

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 25MT m.t.

Supply Capability:: 800000tons/year m.t./month

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Specifications of High Quality Deformed Steel Rebars:

Standard	GB UK USA	HRB335 HRB400 HRB500 G460B, B500A, B500B,B500C GR40, GR60
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length	6M, 9M,12M or as required
Packing	Export standard packing: wrapped by wire rod in bundles
Each bundle weight	2-3MT, or as required
Trade terms	FOB, CFR, CIF
Payment terms	TT payment in advance or Irrevocable LC at sight.
Delivery Detail	within 45 days after received advanced payment or LC.
Brand name	DRAGON

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

Diameter(mm)	Section area (mm²)	Mass(kg/m)	Weight of 12m (kg)	Pcs/ton
6	28.27	0.222	2.664	375.38
8	50.27	0.395	4.74	210.97
10	78.54	0.617	7.404	135.06
12	113.1	0.888	10.656	93.84
14	153.9	1.21	14.52	68.87
16	201.1	1.58	18.96	52.74
18	254.5	2.00	24	41.67
20	314.2	2.47	29.64	33.74
22	380.1	2.98	35.76	27.96
25	490.9	3.85	46.2	21.65
28	615.8	4.83	57.96	17.25
32	804.2	6.31	75.72	13.21
36	1018	7.99	98.88	10.43
40	1257	9.87	118.44	8.44
50	1964	15.42	185.04	5.40

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

JISG3112 SD390	Chemical Composition
	C	Mn	Si	S	P
	0.22	1.38	0.4	0.014	0.022
	Physical capability
	Yield Strength(N/cm²)		Tensile Strength(N/cm²)		Elongation (%)
	620		≥400		21

The production process of Steel Rebar

1-Waling beam furnace 2-Roughing rolling group 3-Intermediate rolling train

4-Finishing rolling group 5-Water-cooling device 6-Walking beam cooler

7-Finishing equipment(including the cold scale shear,short feet collection system,

automatic counting device,bundling machine, collect bench)

Usage and Applications of High Quality Deformed Steel Rebars:

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 High Quality Deformed Steel Rebars:

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.

Price: Keep lower operating costs so as to offer competitive price for our clients

Deformed Steel Rebars according to Korean standard

Deformed Steel Rebars

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: Can steel rebars be used in the construction of shopping centers?: Indeed, steel rebars possess the capability to be utilized in the construction of shopping centers. These rebars, known as reinforcing bars, are extensively employed in the construction sector to fortify concrete structures. Shopping centers typically necessitate robust, resilient, and enduring infrastructure, and steel rebars furnish the indispensable strength and reinforcement essential for supporting the building's weight and load. They effectively thwart cracks, augment structural stability, and heighten the overall durability of the construction. Furthermore, steel rebars can be effortlessly molded and trimmed to conform to the specific design prerequisites of a shopping center, rendering them an adaptable and pragmatic choice for construction projects.

Q: Can steel rebars be used in the construction of airports?: Yes, steel rebars can be used in the construction of airports. Steel rebars are commonly used in reinforced concrete structures, including airport runways, taxiways, and even terminal buildings. Their high tensile strength and durability make them suitable for withstanding heavy loads and ensuring the structural integrity of airport infrastructure.

Q: What is the effect of carbon content on the strength of steel rebars?: The carbon content in steel rebars has a significant effect on their strength. Generally, a higher carbon content leads to increased strength and hardness in the steel rebars. This is because carbon atoms form strong chemical bonds with iron atoms in the steel matrix, resulting in a more rigid and durable material. When carbon is added to the steel, it forms carbides, which are crystalline compounds that make the steel harder and stronger. The presence of these carbides increases the resistance of the steel rebars to deformation, making them suitable for applications that require high strength, such as in construction and infrastructure projects. However, it is important to note that there is a limit to how much carbon can be added to the steel rebars to improve their strength. Excessive carbon content can make the steel brittle and susceptible to cracking under stress. This is because the excessive carbon atoms can form large carbide clusters, weakening the overall structure of the steel rebars. Therefore, the carbon content in steel rebars needs to be carefully balanced to achieve the desired strength and toughness. Depending on the specific application and requirements, different carbon levels can be used to optimize the strength and performance of the steel rebars. In conclusion, the carbon content has a direct impact on the strength of steel rebars. Increasing the carbon content can improve their strength and hardness, but excessive carbon levels can lead to brittleness. Thus, finding the right balance of carbon content is crucial to ensure the optimal strength and performance of steel rebars in various construction applications.

Q: How are steel rebars protected from vandalism during construction?: Steel rebars are generally protected from vandalism during construction through various measures such as fencing off the construction site, employing security personnel, installing surveillance cameras, and implementing access control systems. Additionally, some construction sites also use anti-vandal coatings or cover the rebars with concrete to make them less accessible and susceptible to damage.

Q: How do steel rebars contribute to the overall seismic resistance of a structure?: Steel rebars play a crucial role in enhancing the overall seismic resistance of a structure. During an earthquake, a structure undergoes significant lateral forces and vibrations. These forces can cause the structure to deform or even collapse if not properly addressed. Steel rebars, also known as reinforcement bars, are used to reinforce concrete structures and provide added strength and stability. One of the primary contributions of steel rebars is their ability to absorb and distribute seismic energy. When an earthquake occurs, the rebars act as a backbone within the concrete, absorbing the seismic forces and preventing the structure from experiencing excessive deformation. The rebars help to distribute the energy throughout the structure, reducing localized stress and preventing concentrated damage. Furthermore, steel rebars improve the ductility of a structure. Ductility refers to the ability of a material to deform without fracturing. During an earthquake, the ground shakes, causing the structure to sway. Steel rebars enhance the ductility of concrete by providing an additional pathway for the energy to dissipate. This allows the structure to absorb and dissipate the seismic energy by deforming in a controlled manner, ensuring that it remains intact and minimizes damage. Moreover, steel rebars increase the tensile strength of concrete. Concrete is strong in compression but weak in tension. The inclusion of steel rebars counteracts this weakness by providing tensile strength to the structure. When an earthquake occurs, the rebars bear the tensile forces and prevent the concrete from cracking or collapsing under tension. This reinforcement ensures that the structure remains stable and resilient during seismic events. In summary, steel rebars contribute significantly to the overall seismic resistance of a structure by absorbing and distributing seismic energy, enhancing ductility, and increasing the tensile strength of concrete. Their inclusion in the construction process ensures that the structure can withstand the lateral forces and vibrations caused by earthquakes, reducing the risk of damage or collapse.

Q: What is the process of straightening steel rebars?: To ensure proper alignment and eliminate any bends or deformities, steel rebars must undergo a series of steps during the straightening process. To begin with, a thorough examination is conducted to identify any visible defects like twists, kinks, or bends. This initial assessment is crucial in determining the extent of straightening required and whether any rebars need replacement. Once the inspection is finalized, the rebars are loaded onto a straightening machine. This machine features rotating rollers or hydraulic pressure devices that exert force on the rebars to realign them. The rebars are fed through the rollers or placed amidst the hydraulic devices, and gradual pressure is applied to reshape the bars and eliminate any bends or twists. During the straightening procedure, it is of utmost importance to maintain control over the applied force to avoid excessive straightening or further damage to the rebars. Skilled operators supervise the machine and adjust the pressure accordingly to ensure precise straightening. Following the straightening process, a final inspection is conducted to confirm that the rebars meet the required specifications. This inspection consists of checking for any remaining deformities, ensuring the rebars are of the correct length, and verifying that they are straight within acceptable tolerances. It is worth noting that the straightening process may vary depending on the type and size of the rebars. For larger or more complex rebars, different machines and techniques may be employed. Additionally, the process may involve preheating the rebars to enhance their malleability before straightening. All in all, the process of straightening steel rebars involves meticulous inspection, the utilization of specialized machinery, skilled operators, and a final inspection to ensure the rebars are straight, aligned, and ready for use in diverse construction projects.

Q: Are there any disadvantages of using steel rebars in construction?: Yes, there are some disadvantages of using steel rebars in construction. Firstly, steel rebars are susceptible to corrosion, especially in humid or coastal areas, which can weaken the structure over time. Secondly, steel rebars can be expensive compared to alternative materials like fiberglass or carbon fiber, increasing construction costs. Additionally, steel rebars are heavy, which can make handling and transportation challenging. Lastly, steel rebars have a high thermal conductivity, which can lead to increased heat transfer and energy loss in buildings.

Q: What are the guidelines for the proper cover thickness of steel rebars?: To guarantee the durability and strength of reinforced concrete structures, guidelines have been established to determine the appropriate thickness of steel rebars used in their construction. The term "cover thickness" refers to the distance between the outer surface of the rebar and the concrete edge or surface. The specific guidelines for cover thickness may differ depending on factors such as design requirements, environmental conditions, and the intended purpose of the structure. Nevertheless, there are generally accepted minimum values for cover thickness as outlined in various international building codes and standards. The primary objective of maintaining sufficient cover thickness is to shield the steel rebars from corrosion caused by environmental elements like moisture, carbonation, and chloride ingress. Corrosion can significantly weaken the rebars, compromising the structural integrity of the reinforced concrete. The recommended minimum cover thickness for steel rebars is determined based on the exposure conditions. For instance, in regular environmental conditions, a minimum cover thickness of 25mm to 40mm is usually specified. However, in more aggressive environments, such as coastal areas with high chloride content or structures in contact with soil, a greater cover thickness of 50mm or more may be necessary. Adhering to these guidelines is crucial to ensure the long-term durability and safety of the structure. Insufficient cover thickness can accelerate the corrosion of the rebars, resulting in reduced load-bearing capacity, cracks, and ultimately, structural failure. Therefore, it is essential to consult the relevant building codes, standards, and design professionals to determine the appropriate cover thickness for steel rebars in a specific construction project.

Q: How are steel rebars measured and priced?: Steel rebars are typically measured and priced based on their length, thickness, and weight. The length is measured in feet or meters, and the thickness is measured in inches or millimeters. The weight is usually given in pounds or kilograms. The pricing of steel rebars depends on current market conditions, including factors such as supply and demand, raw material costs, and manufacturing expenses. Additionally, any additional processing or customization requested by the customer may also impact the final price.

Q: Can steel rebars be used in road and pavement construction?: Yes, steel rebars can be used in road and pavement construction. Steel rebars are commonly used as reinforcing materials in concrete structures, including roads and pavements, to enhance their strength and durability. The rebars help to distribute the load and prevent cracking and structural failures, making them an essential component in road and pavement construction.

EDBAR is a well-known company specialised in production and sales of steel product--billet, dformed bar and round bar.The annual production capacity is 1.5million mtons of round bar and 0.5 million mtons of deformed bars.

1. Manufacturer Overview

Location	Hebei, China
Year Established	2009
Annual Output Value	Above US$ 500 Million
Main Markets	Southeast Asia; East Asia; Middle east
Company Certifications	ISO 9001:2008

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Tianjin;
Export Percentage	40%-60%
No.of Employees in Trade Department	21-60 People
Language Spoken:	English; Chinese
b) Factory Information
Factory Size:	Above 850,000 square meters
No. of Production Lines	Above 5
Contract Manufacturing	OEM service offered
Product Price Range	high; average