8mm*50.27mm deformed steel bar deformed steel bar

8mm*50.27mm deformed steel bar deformed steel bar System 1

8mm*50.27mm deformed steel bar deformed steel bar

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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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,

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.

8mm*50.27mm deformed steel bar deformed steel bar

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: Can stainless steel rust?

A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.

Q:Do steel rebars affect the weight of a structure?: Yes, steel rebars do affect the weight of a structure. Rebars, also known as reinforcing bars, are steel bars used to reinforce concrete structures. When concrete is poured, rebars are embedded within it to provide additional strength and support. Since steel is much denser than concrete, the addition of rebars increases the overall weight of the structure. However, the weight increase is relatively small compared to the benefits gained in terms of structural integrity and load-bearing capacity. Rebars help distribute the load more evenly throughout the structure, making it more resistant to bending, cracking, and collapsing under heavy loads. Therefore, while rebars do add some weight to a structure, the advantages they bring in terms of safety and longevity far outweigh the slight increase in weight.

Q:What are the common defects or issues associated with steel rebars?: Some common defects or issues associated with steel rebars include corrosion, improper bending or straightening, inadequate cover or concrete protection, insufficient anchorage or lap length, and incorrect spacing or alignment.

Q:What is the effect of aging on the properties of steel rebars?: The properties of steel rebars can be impacted both positively and negatively by the process of aging. Aging involves gradual changes in the microstructure and mechanical properties of the rebars over time. One positive effect of aging is the enhancement of strength and hardness. Aging causes the carbon atoms in the steel to form carbides, resulting in increased strength. This strength improvement is advantageous in structural applications as it provides additional support and resistance against external forces and loads. On the other hand, aging can also have detrimental effects on steel rebars. As the rebars age, they become more vulnerable to corrosion. The formation of carbides during aging creates areas of low carbon content, known as decarburization, which increases the likelihood of rust and corrosion. This compromises the structural integrity of the rebars and reduces their lifespan. Moreover, aging can make the steel rebars more brittle. Changes in the microstructure during aging lead to increased brittleness and decreased ductility. This makes the rebars more prone to cracking and failure, especially under excessive loads or extreme temperatures. In conclusion, aging has a complex impact on the properties of steel rebars, with both positive and negative consequences. While aging can strengthen the rebars, it also raises the risk of corrosion and embrittlement. Proper maintenance and monitoring are crucial to mitigate the negative effects of aging and ensure the long-term performance and durability of steel rebars in structural applications.

Q:How do steel rebars contribute to the overall aesthetics of a structure?: Steel rebars do not directly contribute to the overall aesthetics of a structure as they are typically hidden within the concrete. However, their presence is crucial for providing structural integrity and ensuring the longevity and safety of the building.

Q:What are the guidelines for preventing steel rebars from rusting during construction delays?: To prevent steel rebars from rusting during construction delays, the following guidelines can be followed: 1. Store rebars in a clean, dry, and covered area to protect them from moisture and rain. 2. Use plastic or waterproof covers to shield rebars from direct contact with water or humidity. 3. Avoid stacking rebars directly on the ground to prevent them from absorbing moisture. 4. Apply a rust inhibitor or coating to the rebars to provide an additional layer of protection. 5. Regularly inspect the rebars during the construction delay to ensure they remain dry and rust-free. 6. If any signs of rust appear, remove the affected rebars and replace them with new ones. 7. Properly seal any concrete structures or foundations that contain rebars to prevent moisture penetration. 8. Keep the construction site clean, avoiding the accumulation of water or debris that could promote rust formation. By following these guidelines, construction delays can be managed effectively, minimizing the risk of rusting and ensuring the structural integrity of the steel rebars.

Q:How do steel rebars contribute to the durability of concrete?: Steel rebars contribute to the durability of concrete in several ways. Firstly, they provide reinforcement to the concrete structure, increasing its overall strength. The steel rebars act as a skeleton within the concrete, helping to distribute the load and resist the forces that act upon the structure. This reinforcement prevents cracking and enhances the structural integrity of the concrete. Secondly, steel rebars help to control the cracking of concrete. Concrete is prone to crack due to various factors such as shrinkage, temperature changes, and external loads. By incorporating steel rebars, the concrete is able to withstand these forces and prevent the cracks from spreading. This ensures that the concrete remains intact and durable over time. Furthermore, steel rebars contribute to the durability of concrete by increasing its resistance to corrosion. Concrete is porous, and if exposed to moisture, it can lead to the corrosion of embedded steel. However, the presence of steel rebars, which are typically coated with materials that provide corrosion resistance, helps to protect against this issue. This extends the lifespan of the concrete structure and ensures its long-term durability. In summary, steel rebars play a crucial role in enhancing the durability of concrete by providing reinforcement, controlling cracking, and preventing corrosion. Their presence strengthens the overall structure, improves its resistance to external forces, and ensures the longevity of the concrete.

Q:What is the process of installing steel rebars in slabs and beams?: The process of installing steel rebars in slabs and beams involves several steps to ensure proper reinforcement of the concrete structure. 1. Design and engineering: Before starting the installation process, the structural engineer designs the reinforcement layout based on the specific requirements of the project. This design considers factors such as load-bearing capacity, span length, and structural integrity. 2. Marking and layout: Once the design is finalized, the layout is marked on the slab or beam using chalk lines or other appropriate methods. This helps guide the installation process and maintain accuracy. 3. Cutting and bending rebars: Steel rebars are usually delivered in long lengths and need to be cut and bent according to the specific dimensions and angles required by the design. This process is done using specialized tools like rebar cutters and benders. 4. Placement and support: After the rebars are cut and bent, they are placed in the marked positions on the slab or beam. The rebars are supported using rebar chairs, spacers, or other suitable devices to ensure they remain in the correct position during the pouring of concrete. 5. Tying and securing: Once the rebars are correctly positioned, they are tied together using wire or other appropriate binding material. This ensures the rebars remain in their designated spots and maintain proper spacing and alignment. 6. Inspection and approval: After the rebars are installed, an inspection is carried out to verify that they meet the design specifications and are properly positioned. This inspection is usually performed by a qualified engineer or inspector who checks for compliance with building codes and standards. 7. Concrete pouring: After the rebars are inspected and approved, the concrete is poured over the reinforced area. The rebars act as reinforcement, providing added strength and stability to the structure. 8. Curing and finishing: Once the concrete is poured, it needs to cure and harden over a specific period. During this time, it is essential to protect the newly installed rebars and concrete from excessive moisture and temperature fluctuations. After curing, finishing processes such as leveling, smoothing, and surface treatments may be carried out to achieve the desired appearance and functionality. Overall, the process of installing steel rebars in slabs and beams involves careful planning, precise cutting and bending, accurate placement, proper securing, and thorough inspection to ensure a reinforced structure that meets design requirements and provides long-lasting strength and durability.

Q:Can steel rebars be used in road and pavement construction?: Yes, steel rebars can be used in road and pavement construction. Steel rebars provide reinforcement and strength to concrete structures, making them suitable for use in roads and pavements to enhance their durability and load-bearing capacity.

Q:How do steel rebars contribute to the structural integrity of a building during earthquakes?: Steel rebars contribute to the structural integrity of a building during earthquakes by providing reinforcement and stability. They are embedded within the concrete to increase its tensile strength, which helps in resisting the lateral forces and vibrations caused by seismic activity. The rebars distribute the stress and load across the structure, preventing excessive bending or cracking. This reinforcement enhances the building's ability to withstand the destructive forces of an earthquake, reducing the risk of collapse and ensuring the overall safety and durability of the structure.

Q:How are steel rebars protected against galvanic corrosion in concrete?: Steel rebars are protected against galvanic corrosion in concrete through the use of various methods such as applying protective coatings, using corrosion inhibitors, and ensuring proper concrete cover. These measures prevent the contact between the rebar and the aggressive elements in the concrete, thereby reducing the risk of galvanic corrosion.

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