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

Ref Price:

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:What is the effect of exposure to acidic soil on steel rebars?: Exposure to acidic soil can have a detrimental effect on steel rebars. The acidic nature of the soil can cause corrosion and degradation of the steel rebars over time. This corrosion weakens the rebars, reducing their structural integrity and potentially leading to structural failures in constructions where they are used. Regular inspections and appropriate measures, such as protective coatings or using non-corrosive materials, are necessary to prevent or mitigate the negative effects of acidic soil on steel rebars.

Q:How do steel rebars enhance the bond between concrete and reinforcement?: The bond between concrete and reinforcement is improved by steel rebars through various mechanisms. Firstly, the inclusion of rebars in concrete enhances the mechanical interlock between the two materials. As concrete surrounds the rebars, it fills the spaces between the steel bars, resulting in a strong bond once it solidifies. This mechanical interlock effectively prevents the separation of concrete and reinforcement, particularly when subjected to tensile loads. Secondly, steel rebars augment the bond by offering additional surface area for adhesion. The rough texture of the rebars allows the concrete to firmly grip the steel surface, leading to a stronger bond. This adhesion is further enhanced by the formation of corrosion products on the rebars over time, creating an even rougher surface and increasing the bond strength between the concrete and reinforcement. Thirdly, rebars serve as load transfer devices in concrete structures. When external forces act on the structure, the rebars distribute and transfer these forces to the surrounding concrete. This load transfer mechanism significantly improves the overall structural integrity and performance of the concrete element. Furthermore, steel rebars also reinforce the bond between concrete and reinforcement by their ability to resist deformation. Under tensile loads, the rebars elongate and absorb the stress, preventing the concrete from developing cracks. This prevents the formation of cracks that could compromise the bond between the two materials. To summarize, steel rebars enhance the bond between concrete and reinforcement by providing mechanical interlock, increased surface area for adhesion, load transfer capabilities, and resistance to deformation. Together, these factors contribute to the overall strength, durability, and performance of reinforced concrete structures.

Q:What is the role of steel rebars in preventing concrete cracking?: The role of steel rebars in preventing concrete cracking is to provide reinforcement and strength to the concrete structure. By adding steel rebars, which are embedded within the concrete, it helps distribute the tensile forces and resist cracking caused by shrinkage, temperature changes, and external loads. The rebars act as a skeletal framework, enhancing the overall durability, stability, and resistance to cracking of the concrete.

Q:How do steel rebars affect the overall thermal performance of a structure?: Steel rebars have a minimal impact on the overall thermal performance of a structure. Since steel is a good conductor of heat, it allows for efficient transfer of thermal energy, but rebars typically constitute a small fraction of the overall mass of a building. Therefore, their influence on the thermal behavior of the structure is relatively insignificant compared to other factors such as insulation materials, windows, and overall building design.

Q:Can steel rebars be used in the construction of airport runways and taxiways?: Yes, steel rebars can be used in the construction of airport runways and taxiways. Steel rebars provide strength and reinforcement to the concrete used in these structures, ensuring their durability and ability to withstand heavy aircraft traffic.

Q:Can steel rebars be used in historical bridge restoration?: Yes, steel rebars can be used in historical bridge restoration. In many cases, historical bridges may have deteriorated or suffered damage over time, and steel rebars can provide strength and stability during the restoration process. Steel rebars are commonly used in reinforced concrete structures and can help reinforce the bridge's structural integrity. However, it is important to consider the aesthetics of the historical bridge and ensure that the use of steel rebars does not compromise its historical value or appearance. Preservation guidelines and consultations with historical experts can help determine the appropriate use of steel rebars in historical bridge restoration projects.

Q:What is the process of anchoring steel rebars in masonry walls?: The process of anchoring steel rebars in masonry walls involves several steps. Firstly, the masonry wall is constructed, leaving gaps or voids where the rebars will be inserted. Secondly, the rebars are cut to the desired length and then inserted into the pre-determined positions in the wall. Next, the rebars are securely anchored or tied to the masonry using various methods such as tying them with wire or using specialized anchoring devices. This ensures that the rebars are firmly embedded within the masonry structure, providing reinforcement and strength to the wall. Finally, the rebars are inspected to ensure they are properly anchored and meet the required specifications and standards.

Q:What is the process of cutting steel rebars on-site?: To ensure precise and accurate cuts, there are several steps involved in cutting steel rebars on-site. Here's a general overview of the process: 1. Measuring and Marking: Start by measuring the required length of the steel rebar using measuring tools like a tape measure. Once the desired length is determined, mark it on the rebar using a chalk line or permanent marker. 2. Prioritizing Safety: Before proceeding with the cutting process, it's essential to prioritize safety. Workers must wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toe boots. Additionally, ensure that the work area is clear of any obstacles or hazards. 3. Setting up the Cutting Tools: On-site, there are various cutting tools available for steel rebars like angle grinders with cutting discs, reciprocating saws with metal-cutting blades, or rebar cutters. Follow the manufacturer's instructions to properly set up and secure the chosen tool. 4. Cutting the Rebar: With the cutting tool prepared, securely position the marked section of the rebar on a stable surface. Carefully guide the cutting tool along the marked line, applying consistent pressure to achieve a clean and precise cut. Maintain control of the cutting tool throughout the process to prevent accidents. 5. Inspecting the Cut: After making the cut, it's important to inspect its quality. The cut end should be smooth and free from any burrs or rough edges. Use a file or grinding tool if needed to smoothen any imperfections. 6. Handling and Disposing: Once the steel rebar is cut to the desired length, it can be safely handled and used for its intended purpose. Dispose of any leftover pieces or scraps properly, following local regulations for metal waste disposal. It's important to note that the specific process and tools used for cutting steel rebars on-site may vary depending on the construction site's requirements, available equipment, and safety protocols. Always follow the manufacturer's instructions and consult professionals when performing such tasks.

Q:What are the factors to consider when choosing steel rebars for a project?: In order to choose steel rebars for a project, there are several important factors that need to be taken into consideration. Firstly, the strength and durability of the rebars are determined by their grade of steel. It is crucial to select a grade that is suitable for the specific project requirements and structural design. Higher grades of steel rebars offer better resistance to corrosion and have higher tensile strength. The size and shape of the rebars should be chosen based on the structural design and load requirements. Different projects may necessitate different diameters and lengths of rebars. The specific dimensions and spacing requirements need to be considered in order to ensure optimal reinforcement. Depending on the project's location and exposure to environmental conditions, it is essential to select rebars with appropriate corrosion resistance. This can be achieved by using rebars with protective coatings, such as epoxy or galvanized coatings, or by opting for stainless steel rebars. If welding is required for the project, it is important to take into account the rebars' weldability. Some rebars may require special procedures or preheating before welding, while others may not be suitable for welding at all. The cost of steel rebars can vary based on grade, size, and other factors. It is important to find a balance between the project's budget and the required quality and strength of the rebars. Additionally, considering the rebars' lifecycle cost, including maintenance and potential repairs, can help make a more economical choice. The availability of the required rebars in the local market should also be considered. It is important to ensure that the desired grade, size, and quantity of rebars are readily available in order to avoid delays in the project. Steel rebars should meet the relevant national or international standards, such as ASTM or BS, in order to ensure their quality and performance. Compliance with these standards guarantees that the rebars have been manufactured and tested to meet specific requirements. Seeking expert advice from structural engineers or experts in steel reinforcement can provide valuable insights and recommendations. They can assess the project's needs and offer guidance on the most suitable rebars for the specific application. By taking into account these factors, the selection of appropriate steel rebars that meet the project's requirements in terms of strength, durability, corrosion resistance, and cost-effectiveness can be ensured.

Q:What are the guidelines for the proper spacing of steel rebars in slabs-on-grade?: The guidelines for the proper spacing of steel rebars in slabs-on-grade are crucial to ensure the structural integrity and longevity of the concrete slab. Here are the general guidelines that should be followed: 1. Concrete cover: The first consideration is the concrete cover, which refers to the distance between the surface of the rebar and the edge of the concrete. The minimum cover requirements are typically specified by local building codes or engineering standards and should be adhered to strictly. This cover protects the rebar from corrosion and provides sufficient fire resistance. 2. Spacing between rebars: The spacing between the rebars is determined by the load requirements and the dimensions of the slab. The closer the spacing, the stronger the slab will be. However, it is important to maintain a proper spacing to allow for the concrete to flow freely around the rebar during pouring and ensure proper consolidation. As a general rule, the spacing should not exceed three times the thickness of the slab or 18 inches, whichever is smaller. 3. Bar size and diameter: The size and diameter of the rebars used in the slab will depend on the load requirements and design specifications. Typically, the larger the load, the larger the diameter and the spacing between the rebars will be. Common rebar sizes for slabs-on-grade range from #3 (3/8 inch diameter) to #8 (1 inch diameter). 4. Reinforcement placement: The placement and positioning of the rebars within the slab is also critical. The rebars should be positioned in the center of the slab's thickness to ensure proper load distribution. Additionally, they should be securely tied or supported to prevent displacement during concrete placement and consolidation. 5. Joint reinforcement: In slabs-on-grade, construction joints are often included to accommodate expansion and contraction. Proper reinforcement of these joints is essential to maintain the structural integrity. Joint reinforcement, such as dowel bars or tie bars, should be placed perpendicular to the joint and adequately anchored to both sides of the joint. It is important to note that these guidelines serve as a general overview, and specific project requirements may vary. Consulting with a structural engineer or following local building codes and industry standards is essential to ensure compliance and optimize the design of steel rebars in slabs-on-grade.

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