HRB500 Deformed Steel Bar

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 25MT m.t.

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

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Specifications of HRB500 Deformed Steel Bar:

Standard	GB	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
Application	mainly used in construction industry to reinforce concrete structures and so on
Quality	First quality, the goods are from Chinese big manufacturers.
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
HRB500	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045		0.08-0.12
	Physical capability
	Yield Strength (N/cm²)		Tensile Strength (N/cm²)			Elongation (%)
	≥500		≥630			≥12

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

Usage and Applications of HRB500 Deformed Steel Bar:

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 HRB500 Deformed Steel Bar:

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

Trade terms: FOB, CFR, CIF

Deformed Steel Bar in stock

Deformed Steel Bar in testing

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 significantly improve the crack resistance of concrete structures. By reinforcing the concrete, rebars help distribute and absorb tensile forces, preventing the formation and propagation of cracks. This reinforcement enhances the overall strength and durability of the concrete, making the structure more resistant to cracking under various loads and environmental conditions.

Q: What is the yield strength of different grades of steel rebars?: The yield strength of different grades of steel rebars can vary depending on the specific grade. Generally, rebars of grade 40 have a yield strength of 40,000 pounds per square inch (psi), grade 60 has a yield strength of 60,000 psi, and grade 75 has a yield strength of 75,000 psi. However, it is important to note that these values can differ slightly based on regional standards and specific manufacturer specifications.

Q: How do steel rebars affect the durability of a structure?: The durability of a structure is greatly influenced by steel rebars. These reinforcements, which are made of high-strength steel, are embedded in concrete to improve its tensile strength and overall structural integrity. Steel rebars prevent structural failures and ensure the long-term durability of the construction by resisting cracking and flexural stresses. One of the main advantages of using steel rebars is their ability to withstand tension forces. While concrete is strong in compression, it is weak in tension. When a structure is subjected to loads that cause bending or stretching, the rebars distribute these forces throughout the concrete, preventing it from cracking or breaking. This reinforcement enhances the load-bearing capacity of the structure, making it more resistant to external forces like earthquakes or strong winds. Furthermore, steel rebars also play a critical role in preventing corrosion within the structure. Concrete is porous, and with time, moisture can infiltrate it, leading to rusting of the embedded reinforcement. Rusting rebars expand, resulting in cracks and weakening of the structure. However, by using rebars that are resistant to corrosion, such as epoxy-coated or stainless steel rebars, the risk of corrosion is significantly reduced, thus improving the durability of the structure. In addition to their mechanical properties, steel rebars also contribute to the durability of a structure in terms of construction speed and long-term maintenance. Compared to other traditional reinforcement materials, rebars are relatively easy to install, reducing construction time and costs. Furthermore, their long lifespan and minimal maintenance requirements ensure the longevity and durability of the structure over time. To conclude, steel rebars are indispensable for guaranteeing the durability of a structure. Their ability to withstand tension forces, prevent cracking, and mitigate the risk of corrosion greatly enhances the structural integrity and longevity of the construction. It is crucial to incorporate steel rebars into the design and construction process to create robust, secure, and long-lasting structures.

Q: Can steel rebars be used in foundation reinforcement?: Yes, steel rebars can be used in foundation reinforcement. Steel rebars provide strength and stability to concrete foundations, helping to distribute loads and prevent cracking or collapsing. Additionally, steel rebars enhance the overall durability and longevity of the foundation.

Q: Can the bars of steel bars be replaced by round steel bars?: The substitution principle of steel bars is equal section substitution and equal strength substitution. Therefore, we can not use round steel instead of thread steel.

Q: What is the cost of steel rebars?: The cost of steel rebars can vary depending on various factors such as the grade of steel, market conditions, and location. On average, the cost of steel rebars ranges from $500 to $800 per metric ton. However, it is important to note that prices can fluctuate due to factors like supply and demand, raw material costs, and any additional taxes or tariffs imposed on steel imports. It is recommended to contact local suppliers or check market reports for the most up-to-date and accurate pricing information.

Q: Can steel rebars be used in modular bridges?: Yes, steel rebars can be used in modular bridges. Steel rebars are commonly used as reinforcement in concrete structures, including bridges. In modular bridges, where pre-fabricated components are assembled on-site, steel rebars can be used to strengthen the concrete elements and provide additional support for the structure. The rebars are embedded within the concrete elements to enhance their tensile strength and prevent cracking or collapsing under heavy loads. This reinforcement ensures the durability and stability of the modular bridge, making it a reliable and safe transportation solution.

Q: What are the common manufacturing processes for steel rebars?: Steel rebars are manufactured through a series of steps to guarantee the production of durable and high-quality reinforcement bars. These steps usually consist of the following: 1. Melting: Initially, raw materials such as iron ore, coal, and limestone are melted in a blast furnace. This process yields molten iron, which is further refined to eliminate impurities. 2. Casting: Subsequently, the refined molten iron is poured into molds, creating large billets or blooms. These molds, commonly known as continuous casting machines, solidify the molten iron into a rectangular form. 3. Rolling: The solidified billets or blooms are then heated and passed through rolling mills. Through this rolling process, the steel is compressed between a series of rollers, reducing its thickness and shaping it into the desired dimensions of rebars. Additionally, this process enhances the mechanical properties of the steel while eliminating any internal defects or impurities. 4. Quenching and Tempering: Following the initial rolling, the rebars may undergo quenching and tempering. Quenching involves rapidly cooling the steel bars by immersing them in water or oil. This step increases the hardness of the rebars, making them more resistant to deformation and wear. Subsequently, tempering involves reheating the quenched bars to a specific temperature and gradually cooling them. This process eliminates internal stresses and improves the toughness of the rebars. 5. Cutting and Coiling: Once the rebars have been rolled and heat-treated, they are cut to the desired lengths using cutting machines. The cut rebars are then either coiled into bundles or stacked for storage and transportation. 6. Surface Treatment: Manufacturers often apply a protective coating or surface treatment to enhance the corrosion resistance of rebars. This can be achieved through hot-dip galvanizing, where the rebars are immersed in molten zinc to form a zinc coating, or epoxy coating, where a layer of epoxy resin is applied to the rebars. It is crucial to note that these manufacturing processes may vary depending on the specific requirements and standards set by different countries and industries. Nevertheless, the aforementioned steps provide a general overview of the common processes involved in manufacturing steel rebars.

Q: What is the effect of steel rebars on the seismic performance of a structure?: Steel rebars, also known as reinforcing bars, play a crucial role in enhancing the seismic performance of structures. When subjected to seismic forces, structures experience intense shaking and vibrations. The presence of steel rebars significantly improves the overall strength and ductility of a structure, helping it to withstand and absorb the energy generated during an earthquake. One of the primary effects of steel rebars is their ability to increase the tensile strength of concrete. Concrete is strong in compression but weak in tension. By embedding steel rebars within the concrete, the composite material becomes capable of resisting tensile forces that may arise during an earthquake. This prevents the concrete from cracking or breaking apart, ensuring the structure remains intact and functional. Moreover, steel rebars act as a reinforcement mechanism by distributing the seismic load across the entire structure. During an earthquake, the shaking motion is dispersed throughout the building, reducing the concentration of stress on specific areas. This redistribution of forces helps to maintain the overall stability of the structure, preventing localized failure and collapse. Additionally, the presence of steel rebars enhances the ductility of the structure. Ductility refers to the ability of a material to deform under stress without fracturing. When seismic forces act on a building, the steel rebars provide flexibility and allow for controlled deformation. This plastic behavior helps to dissipate the energy generated during an earthquake, effectively reducing the impact on the structure and minimizing potential damage. Furthermore, steel rebars also contribute to the overall stiffness of the structure. By reinforcing concrete elements such as columns, beams, and walls, the rigidity of the entire system is increased. This stiffness helps to limit the displacement and deformation of the structure, mitigating the risk of structural failure and ensuring the safety of occupants during a seismic event. In summary, the presence of steel rebars in a structure significantly improves its seismic performance. They enhance the tensile strength of concrete, distribute seismic load, improve ductility, and increase overall stiffness. These effects collectively enhance the structure's ability to resist and withstand the forces generated during an earthquake, ensuring its integrity and the safety of its occupants.

Q: Can steel rebars be used in structures subjected to chemical exposure?: When structures are exposed to chemicals, it is important to consider the type and concentration of the chemicals involved. Steel rebars can be used in these structures, as steel is generally resistant to many chemicals. However, certain corrosive substances can degrade the rebars and compromise their integrity. In such situations, it is crucial to choose the appropriate grade of steel rebars that offer enhanced resistance to chemical corrosion. Stainless steel rebars, for example, contain a higher proportion of chromium and other alloying elements, making them highly resistant to a wide range of chemicals. These rebars are commonly used in structures exposed to aggressive chemical environments, such as wastewater treatment facilities, chemical plants, and marine structures. Furthermore, protective coatings can be applied to steel rebars to further enhance their resistance to chemical exposure. Coatings like epoxy or polymers create a barrier that prevents direct contact between the rebar and the chemical, minimizing the risk of corrosion. These coatings are commonly used in structures exposed to chemicals like sulfuric acid or chloride ions. To ensure the long-term durability and safety of structures in chemically aggressive environments, it is important to consult with structural engineers and corrosion specialists. They can help determine the most suitable type of steel rebars and protective coatings for a specific chemical exposure scenario. Proper design, material selection, and maintenance practices are essential in these environments.

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