ASTM A615 GR40 DEFORMED STEEL BAR System 1

ASTM A615 GR40 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:Can steel rebars be used in cold storage construction?: Yes, steel rebars can be used in cold storage construction. Steel rebars are commonly used in the construction of cold storage facilities due to their strength, durability, and ability to withstand low temperatures. They provide structural reinforcement to the concrete walls, floors, and ceiling, ensuring the integrity and stability of the cold storage structure. Additionally, steel rebars are resistant to corrosion, which is important in maintaining the longevity of the cold storage facility in a low-temperature environment.

Q:What is the maximum spacing allowed between steel rebars in concrete slabs?: The maximum spacing allowed between steel rebars in concrete slabs typically depends on various factors such as the thickness of the slab, the load it will bear, and the design requirements. However, as a general guideline, the maximum spacing is often specified to be around 3 times the slab thickness or 18 inches (whichever is less) to ensure proper reinforcement and structural integrity.

Q:Are steel rebars available in different shapes and profiles?: Yes, steel rebars are available in different shapes and profiles. The most common shape of steel rebars is the plain round bar, which is circular in shape and has a smooth surface. However, there are also other shapes and profiles available such as deformed bars, which have ribs or indentations along their length. These ribs provide better adhesion between the rebars and the surrounding concrete, increasing the overall strength and stability of the structure. Additionally, steel rebars can be found in various sizes and lengths to suit different construction needs. Some examples of different profiles include square bars, flat bars, and T-shaped bars. These various shapes and profiles provide flexibility and options for engineers and builders to choose the most suitable type of steel rebar for their specific construction projects.

Q:Are steel rebars suitable for use in hospital construction?: Indeed, steel rebars are a suitable option for hospital construction. Referred to as reinforcing bars, steel rebars are commonly utilized in construction projects to impart strength and stability to concrete structures. In the context of hospital construction, where safety and durability are of utmost importance, steel rebars offer numerous benefits. First and foremost, steel rebars possess remarkable tensile strength, enabling them to endure heavy loads and resist deformation. This attribute is critical in hospital construction, where the edifice must support the weight of medical equipment, patients, and other infrastructure. Furthermore, steel rebars bolster the overall structural integrity of the hospital, guaranteeing long-term stability and safety. Moreover, steel rebars exhibit excellent fire resistance properties. Hospitals are classified as high-risk establishments, as they house potentially flammable materials and electrical equipment. Steel rebars can endure high temperatures without compromising their strength, thus enhancing the structure's fire protection. Additionally, steel rebars are resistant to corrosion, shielding the concrete from damage caused by moisture and chemicals. Hospitals often experience elevated humidity levels and exposure to various chemicals employed in medical procedures. Through the utilization of steel rebars, the risk of corrosion and subsequent structural deterioration is minimized, ensuring a prolonged lifespan for the hospital building. Lastly, steel rebars are easily obtainable and cost-effective. Hospital construction projects frequently adhere to strict timelines, and the use of steel rebars enables efficient construction and swift installation. Furthermore, the market's abundance of steel rebars ensures competitive pricing, rendering them a cost-effective choice for hospital construction. In conclusion, steel rebars are unquestionably suitable for employment in hospital construction. Their high tensile strength, fire resistance, corrosion resistance, and cost-effectiveness render them an ideal selection for guaranteeing the safety, durability, and long-term stability of hospital structures.

Q:Can steel rebars be used in seawater desalination plants?: Yes, steel rebars can be used in seawater desalination plants. However, it is important to consider the potential effects of corrosion due to the high salt content in seawater. To mitigate this risk, various measures can be taken. One common approach is to use corrosion-resistant alloys, such as stainless steel rebars or epoxy-coated rebars, to protect against the corrosive effects of saltwater. Additionally, proper maintenance and monitoring can help prevent and identify any corrosion issues. Overall, while steel rebars can be used in seawater desalination plants, it is crucial to implement corrosion protection measures to ensure their longevity and structural integrity.

Q:How do steel rebars impact the overall cost of a construction project?: Steel rebars can have a significant impact on the overall cost of a construction project. While they add to the material costs, they also enhance the strength and durability of structures, reducing the need for future repairs or replacements. Additionally, steel rebars contribute to the overall efficiency and speed of construction, reducing labor costs and project timelines. Therefore, although they may increase upfront expenses, steel rebars can provide long-term cost savings and ensure the structural integrity of the project.

Q:How do steel rebars affect the overall thermal stability of a structure?: Steel rebars can significantly affect the overall thermal stability of a structure due to their thermal conductivity properties. Thermal stability refers to the ability of a structure to withstand changes in temperature without experiencing significant deformation or damage. Steel rebars have high thermal conductivity, which means they can efficiently transfer heat throughout a structure. This property can have both positive and negative effects on the thermal stability of the structure. On the positive side, steel rebars can help in dissipating heat from the structure, preventing the concentration of heat in specific areas. This can prevent localized thermal expansion, which can lead to cracks and structural failures. By evenly distributing heat, steel rebars can improve the overall thermal stability of the structure. On the negative side, steel rebars can also conduct heat to colder areas of the structure, leading to thermal gradients. This can result in differential expansion and contraction, causing stress and potential damage to the structure. Additionally, during fire incidents, steel rebars can rapidly heat up and transfer the heat to the surrounding concrete, reducing its strength and compromising the overall stability of the structure. To mitigate these potential negative effects, engineers and architects must carefully consider the design, placement, and spacing of steel rebars within the structure. By ensuring proper reinforcement layout and utilizing insulation materials, the thermal stability can be enhanced. Additionally, incorporating fire-resistant coatings or insulation around the rebars can help minimize the effects of heat transfer during fire incidents. In conclusion, steel rebars can significantly impact the overall thermal stability of a structure. While their high thermal conductivity can aid in dissipating heat, it can also lead to thermal gradients and potential damage. By carefully considering the design and incorporating appropriate measures, the negative effects of steel rebars on thermal stability can be minimized, ensuring the long-term durability and safety of the structure.

Q:Can steel rebars be used in structures with high levels of chloride or sulfate attack?: It is not recommended to use steel rebars in structures that are prone to high levels of chloride or sulfate attack. When chloride ions infiltrate the concrete and interact with the steel, corrosion occurs, which can result in the deterioration of the rebars and compromise the overall structural integrity of the building. Similarly, sulfate attack occurs when sulfate ions react with the components of the concrete, leading to the formation of expansive compounds that cause cracking and deterioration. In order to prevent these types of attacks, it is advisable to employ alternative materials like stainless steel rebars or corrosion-resistant alloys in structures that are exposed to significant amounts of chloride or sulfate. These materials possess a higher resistance to corrosion and are better equipped to endure the aggressive chemical environment. Furthermore, employing proper design and construction techniques, such as ensuring sufficient concrete cover and utilizing protective coatings, can also aid in mitigating the effects of chloride or sulfate attack. It is crucial to seek advice from structural engineers or corrosion specialists to determine the optimal approach for each specific project.

Q:Can steel rebars be used in the construction of swimming pools or water tanks?: Yes, steel rebars can be used in the construction of swimming pools or water tanks. Steel rebars are commonly used as reinforcement in concrete structures to increase their strength and durability. In swimming pool or water tank construction, steel rebars are typically placed within the concrete walls and floors to provide additional support and prevent cracking or structural failure. The rebars are designed to withstand the corrosive effects of water and can effectively reinforce the concrete structure to resist the pressure exerted by the water. However, it is important to ensure that the steel rebars are properly coated or protected to prevent corrosion, as constant exposure to water can lead to rusting over time. By incorporating steel rebars in the construction of swimming pools or water tanks, the overall integrity and longevity of the structures can be significantly improved.

Q:Are steel rebars suitable for use in structures with high resistance to corrosion?: No, steel rebars are not suitable for use in structures with high resistance to corrosion. While steel rebars are commonly used in construction due to their strength and durability, they are susceptible to corrosion when exposed to moisture and other corrosive elements. Over time, this can lead to the deterioration of the rebars and compromise the structural integrity of the entire structure. To ensure high resistance to corrosion, alternative materials such as stainless steel rebars or fiber-reinforced polymer (FRP) rebars are recommended. Stainless steel rebars contain a high percentage of chromium, which forms a protective oxide layer on the surface, preventing corrosion. FRP rebars, on the other hand, are non-metallic and do not corrode, making them an excellent choice for structures in corrosive environments. It is crucial to consider the environmental conditions and the expected lifespan of the structure when choosing the appropriate rebar material. By selecting rebars with high resistance to corrosion, the longevity and safety of the structure can be significantly improved.

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