BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction

BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction System 1

BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction System 2

BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction System 3

BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction System 4

BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

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BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction

Details of the BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction

Standard & Grade:	GB1499-98 : HRB335,HRB400,HRB500
	BS4449-1997 : GR460,GR500
	CAN/CSA-G30.18-M92 : 400W
	ASTM A615 : Gr.40, Gr.60
Diameter:	6mm;8mm;10mm;12mm;14mm;16mm;18mm;20mm;22mm;25mm;28mm;30mm;32mm;35mm;40mm
Length:	6m,9m,12m
Packing:	Bundle packing
Origin:	China
Application:	Construction,Road,Machinery processing,Welding fields.
Delivery time:	10-25 days
Shipment:	By bulk vessel or Container
Documents:	Mill Test Certificate,Commercial Invoice,Packing List,Certificate of Origin

Company Introduction of the BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction

Packaging & Delivery of the BS4449B 500A/500B Deformed Steel Rebar/Iron Rod for Construction

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

FAQ

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	1000m2
What’s your delivery time?	15-20 days after downpayment received
Do you Accept OEM service?	Yes
what’s your delivery terms?	FOB/CFR/CIF
What's the Payment Terms?	30% as deposit,70% before shipment by T/T
	Western Union acceptable for small amount.
	L/C acceptable for large amount.
	Scrow ,Paybal,Alipay are also ok
Why choose us?	Chose happens because of quality, then price, We can give you both. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.
Why choose us?
What's your available port of Shipment?	Main Port, China
What’s your featured services?	Our service formula: good quality+ good price+ good service=customer's trust
What’s your featured services?
Where are your Market?	Covering more than 160 countries in the world

Q: Are steel rebars suitable for use in seismic zones?: Yes, steel rebars are suitable for use in seismic zones. Steel rebars are commonly used in construction projects in seismic zones due to their high strength and ductility properties. During an earthquake, buildings and structures experience significant stress and movement, and steel rebars help to reinforce the concrete and provide additional strength and flexibility. This helps to absorb and distribute the energy generated during seismic events, reducing the risk of structural damage or collapse. Additionally, steel rebars are also resistant to corrosion, which is crucial in areas prone to seismic activity as the reinforcement must maintain its integrity over time. Overall, using steel rebars in seismic zones is an effective way to enhance the safety and durability of structures in these high-risk areas.

Q: What is the process of epoxy-coating steel rebars?: To achieve a durable and corrosion-resistant coating on steel rebars, several steps are involved in the process of epoxy-coating. Here is a general overview of the process: Firstly, the steel rebars undergo thorough surface preparation to eliminate any rust, oil, or other contaminants. This can be accomplished through techniques such as sandblasting or chemical cleaning. Once the rebars are cleaned, a primer is applied to enhance adhesion between the steel surface and the epoxy coating. Additionally, the primer provides an extra layer of protection against corrosion. After the primer has dried, the epoxy coating is applied to the rebars. This can be done using various methods, including spray application or immersing the rebars in an epoxy tank. Following the application of the epoxy coating, the rebars are left to cure. This controlled process allows the coating to harden and fully bond with the steel surface. The curing time varies depending on the specific epoxy and environmental conditions. Once the rebars have cured, a thorough inspection is conducted to ensure the uniform application of the epoxy coating and that it meets the required specifications. This inspection may involve visual checks, adhesion tests, and measurements of coating thickness. After passing inspection, the epoxy-coated steel rebars are packaged and stored in a controlled environment to protect them from damage or further contamination. It is important to note that the specific process may vary depending on factors such as the manufacturer, project requirements, and the type of epoxy coating used. Following industry standards and guidelines is crucial to ensure the quality and effectiveness of the epoxy-coated steel rebars.

Q: What are the different types of corrosion protection for steel rebars?: There are several types of corrosion protection for steel rebars, including epoxy coatings, galvanization, concrete cover, and corrosion inhibitors.

Q: How long do steel rebars typically last?: The lifespan of steel rebars tends to be lengthy, enduring for numerous decades. Several factors come into play when determining the exact duration of their longevity, including the quality of the rebar, the environmental conditions it encounters, and the maintenance practices employed. Generally, steel rebars are designed to possess resistance against corrosion, a key factor influencing their durability. Nevertheless, as time passes, rebars may undergo some corrosion as a result of exposure to moisture, chemicals, or other corrosive substances. This corrosion has the potential to diminish their lifespan. The lifespan of steel rebars can be extended through regular inspections, maintenance, and the application of protective coatings. By providing adequate care, steel rebars can typically remain functional for 30 to 50 years, or possibly even longer.

Q: Can steel rebars be used in concrete columns?: Yes, steel rebars can be used in concrete columns. Rebars are commonly used to reinforce and strengthen concrete structures, including columns, due to their high tensile strength. The steel rebars are embedded within the concrete, providing additional support and preventing cracks or structural failures.

Q: What grade of reinforcement is used for cast-in-place floorslab?: Cast-in-place floors are usually made of grade two steel.Cast-in-place is relative to the precast slab, casting is to place a good template on the site, the installation of steel reinforcement on the template, and then pouring concrete on the template, and then remove the template.

Q: What are the guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements?: The guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements involve several key considerations to ensure structural integrity and performance. 1. Design and Engineering: The first step is to consult with a qualified structural engineer who specializes in pre-stressed or post-tensioned concrete design. They will determine the appropriate size, spacing, and type of rebars required for the specific project based on the structural loads, design requirements, and desired performance. 2. Material Selection: The rebars used in pre-stressed or post-tensioned concrete elements should conform to the relevant industry standards, such as ASTM A615 or ASTM A706 for reinforcing steel. The rebars should have sufficient strength, ductility, and corrosion resistance to withstand the stresses and environmental conditions. 3. Placement and Anchorage: The rebars need to be accurately placed and anchored within the concrete elements. The specific placement and anchorage requirements will depend on the project's design and engineering specifications. The rebars should be properly aligned and secured to ensure effective transfer of forces to the concrete. 4. Tensioning Process: For pre-stressed concrete elements, the rebars are tensioned before the concrete is poured. This process involves applying a predetermined amount of force to the rebars using specialized jacks or hydraulic systems. The tensioning force should be carefully controlled to achieve the desired amount of pre-stress and avoid overloading the rebars or damaging the concrete. 5. Post-Tensioning: In the case of post-tensioned concrete elements, the rebars are tensioned after the concrete has hardened. This is typically done by passing the rebars through ducts or sleeves within the concrete and applying tension using hydraulic jacks. The post-tensioning force should be carefully calibrated to achieve the desired structural performance and avoid excessive strain on the rebars or the concrete. 6. Quality Control and Inspection: Throughout the construction process, regular quality control and inspection should be carried out to ensure compliance with design specifications and industry standards. This includes verifying the correct placement, alignment, and tensioning of the rebars, as well as checking for any defects or damage. 7. Maintenance and Durability: To ensure the long-term durability and performance of pre-stressed or post-tensioned concrete elements, proper maintenance is crucial. This may involve periodic inspections, maintenance of protective coatings, and addressing any signs of corrosion or deterioration promptly. By following these guidelines, construction professionals can ensure the safe and effective use of steel rebars in pre-stressed or post-tensioned concrete elements, resulting in structurally sound and durable concrete structures.

Q: What are the common manufacturing processes for steel rebars?: The common manufacturing processes for steel rebars include hot rolling, cold rolling, and thermomechanical treatment.

Q: Can steel rebars be used in structures with high noise reduction requirements?: No, steel rebars alone cannot provide sufficient noise reduction in structures. While steel rebars are commonly used for reinforcement in construction, they are primarily used for structural strength rather than noise reduction. To meet high noise reduction requirements, additional soundproofing materials or techniques such as acoustic insulation, double-glazed windows, or sound-absorbing panels should be incorporated into the structure.

Q: Can steel rebars be used in historical buildings restoration?: Yes, steel rebars can be used in historical buildings restoration. Steel rebars provide strength and structural integrity to the building, ensuring its stability and longevity. However, it is crucial to use rebars that are compatible with the historical building's materials and design to preserve its authenticity. Additionally, proper installation techniques and preservation methods should be employed to minimize any potential damage or alteration to the historical fabric of the building.

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