A615 deformed steel bar for construction

A615 deformed steel bar for construction System 1

A615 deformed steel bar for construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Product Description:

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

A615 deformed steel bar for construction

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 are steel rebars spliced or connected in construction joints?: Steel rebars are typically spliced or connected in construction joints using several methods, including lap splicing, mechanical splicing, and welded splicing. Lap splicing involves overlapping the rebars and tying them together with wire or steel bars, ensuring proper alignment and contact between the rebars. Mechanical splicing utilizes couplers or threaded sleeves to connect the rebars, providing a stronger and more efficient joint. Welded splicing involves welding the rebars together, ensuring a secure and durable connection. The choice of splicing method depends on factors such as the project requirements, structural design, and construction site conditions.

Q: How do steel rebars resist fatigue and cyclic loading?: Steel rebars are specifically designed to resist fatigue and cyclic loading due to their unique properties and design. Firstly, steel rebars are made from high-strength steel, which has excellent resistance to fatigue. High-strength steel has a higher yield strength and ultimate tensile strength compared to regular steel, allowing it to withstand repetitive loading without undergoing significant deformation or failure. This property helps rebars endure cyclic loading without experiencing fatigue failure. Moreover, steel rebars are reinforced with rib patterns along their surface. These ribs increase the surface area, enhancing the bond between the rebar and surrounding concrete. This increased bond strength helps to distribute the cyclic loads more evenly, reducing the localized stress concentration. By distributing the loads, the rebars are better able to resist fatigue and cyclic loading. Additionally, rebars are often designed with a specific diameter and spacing to optimize their load-carrying capacity and resist fatigue. The design takes into consideration the anticipated cyclic loads, ensuring that the rebars are adequately spaced and sized to handle the expected stresses. The spacing between rebars also allows for proper concrete flow and consolidation during construction, further enhancing the overall performance and resistance to fatigue. Furthermore, proper installation and quality control during construction play a crucial role in ensuring the rebars' resistance to fatigue and cyclic loading. Adequate concrete cover, proper placement within the concrete, and secure anchoring of the rebars all contribute to their ability to withstand cyclic loading over time. In summary, steel rebars resist fatigue and cyclic loading through their high-strength steel composition, ribbed surface patterns, optimized spacing and diameter, and proper installation techniques. These features work collectively to enhance their load-carrying capacity, distribute loads more evenly, and minimize stress concentration, resulting in improved resistance to fatigue and cyclic loading.

Q: Can steel rebars be used in tunnels or underground mines?: Tunnels or underground mines can indeed utilize steel rebars. These strong bars are frequently employed in construction endeavors to fortify concrete structures, and the case is no different for tunnels and underground mines. The inclusion of reinforcing steel bars enhances the potency and steadiness of the concrete utilized in tunnel linings or mine shafts. By resisting the pressures exerted by the adjacent soil or rock, these bars avert cracking or collapse, thereby augmenting the overall robustness and endurance of the edifice. The selection of steel rebars is contingent upon their individual attributes, such as diameter, grade, and resistance to corrosion. This ensures that they meet the design prerequisites and are suitable for the specific subterranean circumstances.

Q: What is the average tensile strength of steel rebars?: Steel rebars typically have an average tensile strength ranging between 400 and 600 megapascals (MPa). It should be noted that the grade and type of steel used in the manufacturing process can cause variations in the specific tensile strength. Tensile strengths above 600 MPa can be achieved with higher grades of steel rebars. Moreover, the tensile strength of the rebars can also be influenced by factors like their diameter and surface condition.

Q: Can steel rebars be used in the construction of power plants or industrial facilities?: Steel rebars can be utilized in the construction of power plants and industrial facilities due to their exceptional strength and durability. They are an ideal option for reinforcing concrete structures in these types of facilities. With their ability to provide necessary strength and support, they can withstand heavy loads, vibrations, and extreme temperatures that are frequently encountered in power plants and industrial facilities. Moreover, steel rebars possess resistance to corrosion, which is particularly vital in such environments where exposure to moisture, chemicals, and other harsh elements is commonplace. Consequently, steel rebars are widely employed in the construction of power plants and industrial facilities to guarantee the buildings' structural integrity and long-lasting nature.

Q: Can steel rebars be used in high-security facility construction?: Yes, steel rebars can be used in high-security facility construction. Steel rebars are strong and durable, making them a suitable choice for reinforcing concrete structures. In high-security facilities, such as prisons or government buildings, it is crucial to ensure the construction materials provide maximum strength and resistance against potential threats. Steel rebars offer excellent tensile strength, which helps reinforce concrete and enhance the overall structural integrity of the building. Additionally, steel rebars can be customized to meet the specific security requirements of the facility, such as using thicker rebars or increasing their spacing for added reinforcement. Therefore, steel rebars are commonly used in high-security facility construction to provide a robust and secure infrastructure.

Q: How do steel rebars affect the overall durability of concrete?: Steel rebars significantly improve the overall durability of concrete. By reinforcing the concrete, rebars enhance its tensile strength, preventing cracking and structural failure. They also provide resistance against shrinkage and expansion caused by temperature changes, ensuring the longevity and stability of concrete structures.

Q: What does it mean to have 22 4GJ on the threaded steel?: 4GJ22 these are the basic information of reinforcement, equivalent to the identity card information. The steel plant on behalf of grade four steel (HRB500) GJ is Hangzhou iron and then the nominal diameter is 22.

Q: What is the impact of steel rebars on the construction timeline?: Steel rebars have a significant impact on the construction timeline as they play a crucial role in reinforcing concrete structures. By providing strength and durability, rebars ensure the structural integrity of buildings, bridges, and other infrastructure projects. However, their installation requires careful planning and coordination with other construction activities, which can sometimes cause delays in the overall timeline. Nevertheless, the use of rebars ultimately enhances the longevity and safety of the construction project, outweighing any temporary setbacks.

Q: How do steel rebars affect the overall sustainability of bridge constructions?: The overall sustainability of bridge constructions is greatly improved by the inclusion of steel rebars. Firstly, steel rebars play a crucial role in enhancing the longevity and durability of bridges. They reinforce concrete structures, ensuring that tensile and compressive forces are evenly distributed and minimizing the risk of cracks and structural failure. This results in a longer functional lifespan for the bridge, reducing the need for frequent repairs or replacements and ultimately decreasing material consumption and waste generation. Furthermore, the sustainability of bridge constructions is further enhanced by the high recyclability of steel rebars. Once a bridge reaches the end of its life cycle, the steel rebars can be easily removed and recycled. This reduces the demand for new steel production, conserving natural resources and reducing carbon emissions associated with manufacturing processes. Additionally, the recycling of steel rebars helps mitigate the environmental impacts of mining and extraction activities. In addition, the use of steel rebars enables the design of lighter and more efficient bridge structures. Steel is known for its high strength-to-weight ratio, allowing for the creation of slender and visually appealing bridge designs. By reducing the weight of the bridge, less material is required for construction, resulting in lower energy consumption and carbon emissions during manufacturing, transportation, and construction phases. Furthermore, lighter bridge structures place less strain on the supporting foundation, reducing the need for costly reinforcement measures. In conclusion, the inclusion of steel rebars positively impacts the overall sustainability of bridge constructions in various ways. They enhance durability, reduce the need for repairs or replacements, and minimize waste generation. The recyclability of steel rebars helps conserve natural resources, reduce carbon emissions, and mitigate environmental impacts. Additionally, the use of steel rebars allows for the design of lighter and more efficient bridge structures, resulting in lower energy consumption and associated carbon emissions.

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