A615 deformed steel bar deformed steel bar

A615 deformed steel bar deformed steel bar System 1

A615 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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Packaging & Delivery

Packaging Detail:	In bundles (standard export package or as per clients' requirement)
Delivery Detail:	According to the actual order quantity

Specifications

Standard: ASTM, GB, JIS, BS, AISI
Grade: HRB400, HRB335
Application: Construction, shipping, building material

Product Description

Type	steel rebar
Standard Grade	a. GB1499.2-2007, HRB335, HRB400, etc.
	b. ASTM A615 Gr.40, Gr.60, etc.
	c. BS4449, etc. d. JISG3112-SD390
Diameter	6mm-32mm etc. as per customers' requirement
Length	6m, 8m, 9m,12m as standard
Application	Construction, shipping, building material
Packing	standard export packing, or as per customers' requirement
Quality	First quality
Delivery time	Right now after the deposit.
Others	1. our products conform to all the standards
	2. we can offer special specification products as per our customers
	3. we can offer the original mill test certificate and original product

1.Diameter:6mm-32mm
2.Material:BS4449 Grade 460B,ASTM A615 GR60
3.Length:6-12meters

1. Length: 6m-12m as standard.
2. Reputation first, best competitive price, high quality, quotes price promptly and confirm the delivery on time!

3. Application : Used for housing construction.

4. PRICE: Keep lower operating costs so as to offer competitive price for our clients.

5. Minimum Order Quantity: 300 MTS as per size.
6. Invoicing: Actual or Theoretical Weight Basis as buyer’s request.
7. Payment terms: TT payment in advance or irrevocable LC at sight.

8. Delivery time: 25-30 days after we receive your TT payment at sight

Steel Rebar / Deformed Bar / Reinforcing Bar

FAQ:

Q1: How do we guarantee the quality of our products?

A1: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q2: What makes stainless steel stainless?

A2: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Q:Can steel rebars be used in structures with high resistance to fire?: Yes, steel rebars can be used in structures with high resistance to fire. Steel has a high melting point and retains its strength even at high temperatures, making it suitable for use in fire-resistant structures. Additionally, steel rebars can be coated with fire-resistant materials such as epoxy or intumescent coatings to further enhance their fire resistance. These coatings create a protective layer that prevents the steel from reaching its critical temperature and losing its structural integrity during a fire. Therefore, steel rebars are commonly used in various fire-resistant structures such as high-rise buildings, bridges, and industrial facilities where fire safety is a critical consideration.

Q:How are steel rebars installed in concrete structures?: Steel rebars are installed in concrete structures by first determining the required placement and size of the rebars based on engineering specifications. Then, the rebars are positioned and secured in the desired locations within the concrete formwork. The rebars are typically tied together using steel wire or rebar connectors to ensure proper reinforcement. After the rebars are securely in place, the concrete is poured and allowed to cure, creating a strong and durable structure.

Q:Thread steel is embroidered after rain. Can it be used as reinforcing steel?: Steel is known as hot rolled ribbed bar. Ordinary hot rolled steel bars are made up of HRB and the minimum yield point of the brand. H, R, and B are the first letters in English for hot-rolled (Hotrolled), ribbed (Ribbed) and reinforced (Bars) three words. Hot rolled ribbed bar is divided into two levels, HRB335 (old No. 20MnSi), three HRB400 (20MnSiV, 20MnSiNb, old No. 20Mnti), four grade HRB500 three grade.

Q:What are the different types of steel rebars used in precast concrete constructions?: There are several types of steel rebars commonly used in precast concrete constructions, including plain round bars, deformed bars, epoxy-coated bars, stainless steel bars, and galvanized bars. Each type offers specific properties and advantages depending on the project requirements and environmental conditions.

Q:Cast-in-place with 10 mm reinforcement, a good layer or 8 mm double layer? Why?: Double reinforcement should be adopted for roof bar reinforcement.(5) double deck two-way steel bars shall be installed in cast-in-place slabs with a thickness of more than 120mm.

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

Q:What is the role of steel rebars in the construction of power transmission towers?: The role of steel rebars in the construction of power transmission towers is to provide structural reinforcement and strength to the concrete foundations and columns. Steel rebars act as a framework within the concrete, helping to distribute the load and withstand the forces exerted on the towers, including wind, seismic activity, and the weight of the transmission lines. They enhance the overall stability and durability of the towers, ensuring their ability to safely support and transmit electrical power.

Q:What are the guidelines for the proper anchoring of steel rebars in slabs?: The proper anchoring of steel rebars in slabs is crucial to ensure the structural integrity and strength of the concrete slab. Here are some guidelines to follow: 1. Embedment depth: The rebars should be embedded in the concrete slab to a specific depth. The depth is typically determined based on the size and strength of the rebars and the load requirements of the slab. It is important to follow the recommended embedment depth to ensure adequate transfer of forces between the rebar and the concrete. 2. Spacing: The rebars should be spaced at regular intervals within the slab to provide uniform reinforcement. The spacing is determined based on the design requirements and the expected load on the slab. Following the recommended spacing guidelines will help distribute the load evenly and prevent cracking or failure of the slab. 3. Lap length: When multiple rebars need to be joined together, a lap splice is used. The lap length is the minimum length of overlap required to ensure proper transfer of forces between the rebars. It is important to follow the specified lap length to maintain the integrity of the reinforcement. 4. Edge distance: The rebars should be placed at a certain distance from the edges of the slab to prevent edge failure. The edge distance is determined based on factors such as the bar size, concrete cover, and design requirements. Maintaining the specified edge distance will help ensure the rebars are adequately anchored and prevent concrete spalling or cracking near the edges. 5. Concrete cover: The rebars should have a minimum concrete cover to protect them from corrosion and provide fire resistance. The concrete cover is the distance between the outer surface of the rebar and the nearest concrete surface. Following the recommended concrete cover guidelines will help maintain the durability and longevity of the steel rebars. 6. Proper placement and alignment: The rebars should be accurately placed and aligned within the slab to provide effective reinforcement. They should be positioned at the correct depth, spacing, and alignment as per the design specifications. Proper placement and alignment will ensure the rebars are securely anchored and contribute to the overall strength of the slab. It is important to note that these guidelines may vary depending on the specific project requirements, local building codes, and design standards. Therefore, it is recommended to consult with a qualified structural engineer or follow the guidelines provided by relevant authorities to ensure the proper anchoring of steel rebars in slabs.

Q:Are steel rebars suitable for use in high-temperature applications?: Steel rebars are generally not suitable for use in high-temperature applications. Although steel is a strong and durable material, it has limitations when exposed to high temperatures. At elevated temperatures, steel can undergo significant reduction in strength and may even experience a loss of structural integrity, leading to potential failures. When steel is exposed to high temperatures, it undergoes a process called thermal expansion, which can cause it to weaken and deform. This phenomenon is particularly prominent in rebars, which are often used as reinforcements in concrete structures. The high temperatures can cause the rebars to expand and exert excessive pressure on the surrounding concrete, leading to cracks and potentially compromising the structure's stability. Additionally, prolonged exposure to high temperatures can result in a loss of the steel's mechanical properties, including tensile strength and load-bearing capacity. This can significantly reduce the rebars' ability to resist external forces and effectively reinforce the concrete. Therefore, it is generally recommended to use alternative materials, such as stainless steel or special alloys, for high-temperature applications. These materials are specifically designed to withstand elevated temperatures without losing their structural integrity. It is important to consult with experts and engineers familiar with high-temperature applications to determine the most suitable materials for specific projects to ensure safety and structural stability.

Q:How do steel rebars improve the durability of concrete structures?: Steel rebars improve the durability of concrete structures by providing added strength and reinforcement. They enhance the load-bearing capacity of the concrete, prevent cracking and deformation, and increase resistance to tension and bending forces. This reinforcement helps to minimize structural damage caused by factors like heavy loads, seismic activity, temperature fluctuations, and corrosion, ultimately increasing the lifespan and overall durability of the concrete structure.

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