Deformed steel bar

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

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Product Description:

Specifications of Deformed Steel Bar:

Standard	GB	HRB335, HRB400, HRB500
	UK	G460B, B500A, B500B,B500C
	USA	GR40, GR60
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm
Diameter
Length	6M, 9M,12M or as required
Place of origin	Hebei, China mainland
Application	building,construction,road,bridge etc
Brand name	DRAGON

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 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 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

Payment term: TT or L/C

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 Coil

deformed bar in coil

Produce Line of Deformed Steel Bar

the produce line of deformed bar

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:Do steel rebars affect the weight of a structure?: Steel rebars indeed have an impact on the weight of a structure. These rebars, also known as reinforcing bars, are utilized to strengthen concrete structures. When concrete is poured, these rebars are incorporated to enhance its strength and provide support. As steel is significantly denser than concrete, the inclusion of rebars leads to an overall increase in the structure's weight. Nevertheless, the weight increment is relatively minor when compared to the significant benefits obtained in terms of structural integrity and load-bearing capacity. The rebars aid in evenly distributing the load across the structure, thereby enhancing its resistance to bending, cracking, and collapsing under heavy loads. Hence, although rebars contribute some weight to a structure, the advantages they offer in terms of safety and durability far surpass the slight increase in weight.

Q:What are the different grades of epoxy-coated steel rebars?: The different grades of epoxy-coated steel rebars are typically classified based on their yield strength, which can range from Grade 40 to Grade 80. These grades signify the minimum yield strength in ksi (thousand pounds per square inch) that the rebar can withstand before it deforms.

Q:How long do steel rebars typically last?: Steel rebars typically have a long lifespan and can last for several decades. The exact duration of their lifespan depends on various factors, such as the quality of the rebar, the environmental conditions it is exposed to, and the maintenance practices implemented. Generally, steel rebars are designed to be resistant to corrosion, which is one of the main factors that can affect their longevity. However, over time, rebars may experience some corrosion due to exposure to moisture, chemicals, or other corrosive agents. This can potentially reduce their lifespan. Regular inspections, maintenance, and the application of protective coatings can help extend the lifespan of steel rebars. With proper care, steel rebars can typically last 30 to 50 years or even longer.

Q:What is the process of anchoring steel rebars in concrete?: To establish a sturdy and secure connection between steel rebars and concrete, a series of steps must be taken. Initially, the concrete surface where the rebars will be anchored must be adequately prepared. This typically entails cleansing the surface to eliminate any dirt, dust, or debris that could hinder the bonding process. It is also imperative to confirm that the concrete has fully cured and attained the required strength before proceeding. Subsequently, the rebars are cut to the desired length and shape as per the construction plans. Adhering to the specified dimensions and placement requirements is essential to guarantee proper reinforcement and structural integrity. Once the rebars are prepared, they are typically positioned in the desired location within the concrete formwork. The rebars need to be placed at the correct depth and spacing as outlined in the design. This is commonly achieved by employing plastic or metal chairs, spacers, or tie wire to hold the rebars firmly in place. Once the rebars are appropriately positioned, the next step involves fastening them to the concrete. One prevalent method of anchoring the rebars is by utilizing mechanical anchors or rebar couplers. These devices are designed to establish a strong connection between the rebars and the concrete through various mechanisms such as threading, crimping, or expansion. Alternatively, another technique for anchoring the rebars involves using adhesive or cementitious grouts. These substances are applied to the rebars and then inserted into pre-drilled holes in the concrete. The adhesive or grout aids in bonding the rebars to the concrete and provides additional reinforcement. Finally, after the rebars are anchored, the concrete is poured or placed around them. To ensure complete encapsulation of the rebars, the concrete must be consolidated effectively. This can be achieved by implementing techniques such as vibrating the concrete or employing specialized equipment. In conclusion, anchoring steel rebars in concrete necessitates meticulous planning, preparation, and execution to establish a dependable and long-lasting bond. Adhering to industry standards and design specifications is vital to achieve the desired structural strength and integrity.

Q:Are steel rebars suitable for reinforcement in historical monuments?: Steel rebars may not be suitable for reinforcement in historical monuments. The use of steel rebars can cause damage to the structural integrity and aesthetics of these monuments. Traditional materials and techniques that are compatible with the existing structure should be considered instead, to ensure the preservation and authenticity of these historical sites.

Q:How do steel rebars prevent cracks in concrete structures?: Steel rebars prevent cracks in concrete structures by providing reinforcement and increasing the tensile strength of the concrete. When concrete is subjected to external forces or loads, such as pressure or temperature changes, it tends to crack due to its weak tensile strength. However, by embedding steel rebars within the concrete, these bars withstand the tensile forces and distribute them throughout the structure. This reinforcement helps to prevent or minimize cracks by adding strength and stability to the concrete, making it more durable and resistant to cracking.

Q:Can steel rebars be used in hospital construction?: Yes, steel rebars can be used in hospital construction. Steel rebars are commonly used in reinforced concrete structures, including hospitals, to provide strength and support to the building. They help enhance the structural integrity and ensure the safety and durability of the hospital construction.

Q:How do steel rebars contribute to the crack-resistance of concrete?: Crucial in improving the crack-resistance of concrete structures are steel rebars, also known as reinforcement bars. These rebars serve as a reinforcement system when embedded within concrete, aiding in the distribution and resistance of tensile forces. This is particularly important due to the relatively low tensile strength of concrete, despite its high compressive strength. The absorption of tensile stresses is the primary means by which rebars contribute to crack-resistance. Without rebars, these stresses would lead to the development of cracks in the concrete. By bearing the tension forces as the load is applied to the structure, the rebars prevent excessive tensile stress and subsequent cracking. This is especially crucial in areas subjected to bending or flexing forces. Additionally, the bond strength between the rebars and the surrounding concrete plays a role in crack-resistance. The presence of rebars improves this bond, preventing the separation or debonding of the concrete under stress. This ensures effective load transfer between the rebars and the concrete, further reducing the likelihood of cracks. Furthermore, steel rebars aid in controlling crack widths in concrete. Acting as a restraint when tensile forces are applied, the rebars limit the width of any cracks that may form. This prevents the cracks from widening and becoming more severe, preserving the overall integrity and durability of the structure. To summarize, steel rebars play a significant role in enhancing the crack-resistance of concrete by absorbing tensile stresses, improving bond strength, and controlling crack widths. Their presence within the concrete structure aids in the distribution and resistance of forces, preventing the formation of cracks and ensuring the longevity and safety of the construction.

Q:How do steel rebars affect the overall crack width of concrete structures?: Steel rebars can significantly reduce the overall crack width of concrete structures. By reinforcing the concrete, rebars help distribute and resist tensile forces, preventing cracks from widening or forming in the first place. This reinforcement enhances the structural integrity and durability of the concrete, ensuring it can withstand external loads and environmental factors.

Q:How are steel rebars protected against theft on construction sites?: Steel rebars are protected against theft on construction sites through various measures, including physical barriers and security protocols. These may include implementing secure storage areas, using fencing and locks to restrict access, installing surveillance cameras, and employing security personnel to monitor the site. Additionally, some construction sites may mark their steel rebars with unique identifiers that can help in tracking and recovering stolen materials. These measures collectively aim to deter theft and ensure the safety and integrity of construction materials.

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