Concrete Reinforcing Steel Bar from 8mm to 40mm

Concrete Reinforcing Steel Bar from 8mm to 40mm

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 300 m.t.

Supply Capability:: 1500 m.t./month

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Concrete Reinforcing Steel Bar from 8mm to 40mm

Main Structure of Concrete Reinforcing Steel Bar

Standard: AISI, ASTM, BS, DIN, GB
Grade: HRB400
Diameter: 6mm-10mm
Length: 1.6-1.9ton/coil
Application: for construction
rebar coil size: 6mm-10mm
steel grade: hrb400 , hrb500, gr.60 , hrb335,q235 q255 q275

Description for Concrete Reinforcing Steel Bar

Type	Coiled reinforced bar/rebar coil
Steel Grade	hrb500, gr.60 ,q235 ,q255,q275
Steel Grade
Size	6mm-10mm
Unit weight	1.6-1.9tons/coil
Application	Building/project construction
Packing	In coil with steel strip ,in bulk .

Datas for Concrete Reinforcing Steel Bar

HRB400	Chemical Composition(%)	C	Mn	Si	P	S
		0.25max	1.60max	0.80max	0.045max	0.045max
	Mechanical Property	Yield Strength		Tensile Strenth		Elongation
		400Mpa min		540Mpa min		16%

HRB500	Chemical Composition(%)	C	Mn	Si	P	S
		0.25max	1.60max	0.80max	0.045max	0.045max
	Mechanical Property	Yield Strength		Tensile Strength		Elongation
		500Mpa min		630Mpa min		15%

HRB335	Chemical Composition (%)	C	Mn	Si	P	S
		0.25max	1.60max	0.80max	0.045max	0.040max
	Mechanical Property	Yield Strength		Tensile strength		Elongation
		335Mpa min		455Mpa min		17%

FAQ

Q: Why should you choose us:

A: 1. More than 10 years experience in this industry
2. 100,000 tons exporting per month
3. Professional foreign trade tea
4. OEM&ODM capacity
5. High quality assured & competitive price
6. Try our best to meet your needs & save your budget
7. Very popular in Southeast Asia, Africa, Mid-East and South America etc.
8. VIP membership system, first time customers and long-term cooperation customers can get extra discount on some products.

12px; font-style: inherit; font-variant: inherit; font-weight: 400; line-height: inherit; float: none; word-wrap: break-word; color: rgb(0, 0, 0); border: 1px solid rgb(204, 204, 204);"> Elongation 335Mpa min 455Mpa min 17%

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Concrete Reinforcing Steel Bar from 8mm to 40mm

Q: Can steel rebars be used in energy-efficient buildings?: Certainly! Energy-efficient buildings can indeed incorporate steel rebars. These rebars are commonly utilized in the construction of reinforced concrete structures, including those that prioritize energy efficiency. Energy-efficient buildings aim to decrease energy consumption and minimize their environmental footprint. Although steel is a material with high embodied energy, meaning it requires a substantial amount of energy for production, it boasts numerous advantages for energy-efficient buildings. To begin with, steel rebars lend structural strength to reinforced concrete, enabling the creation of robust and long-lasting structures. This is pivotal for energy-efficient buildings, as their goal is to have an extended lifespan and reduced maintenance requirements, thereby lessening their overall environmental impact. Additionally, steel rebars can be employed in the construction of energy-efficient building components, such as insulated concrete forms (ICFs) and precast concrete panels. These building systems possess exceptional thermal insulation properties, which decrease heat transfer and enhance energy efficiency. Steel rebars are utilized to reinforce these components, ensuring their structural integrity. Furthermore, the thermal mass characteristics of concrete, reinforced by steel rebars, can contribute to a building's energy efficiency. Concrete has the capability to absorb and store heat, aiding in the regulation of indoor temperatures and reducing the need for excessive heating or cooling. Consequently, this can result in significant energy savings throughout a building's lifespan. It is important to note that the energy efficiency of a building is contingent upon various factors, including insulation, window design, HVAC systems, and the integration of renewable energy. While steel rebars play a vital role in reinforced concrete structures, their impact on overall energy efficiency should be evaluated in conjunction with other design choices and building materials.

Q: Can steel rebars be used in the construction of residential towers and skyscrapers?: Yes, steel rebars can definitely be used in the construction of residential towers and skyscrapers. Steel rebars provide structural reinforcement and enhance the strength and durability of the concrete used in these structures. The high tensile strength of steel rebars makes them ideal for withstanding the heavy loads and stresses experienced by tall buildings. Additionally, steel rebars have excellent fire resistance properties, further contributing to the safety and longevity of residential towers and skyscrapers.

Q: Can steel rebars be used in water treatment facilities?: Yes, steel rebars can be used in water treatment facilities. Steel rebars are commonly used in the construction of various structures, including water treatment facilities. They provide strength and durability to the concrete structures, ensuring their stability and longevity in the harsh environment of water treatment facilities.

Q: What is the minimum concrete strength required for steel rebars?: The minimum concrete strength required for steel rebars is typically specified by industry standards or building codes, such as the American Concrete Institute (ACI) or the International Building Code (IBC). The specific minimum strength can vary depending on the intended use and design requirements, but it is generally recommended to have a concrete strength of at least 3,000 pounds per square inch (psi) for regular steel rebars.

Q: High strength thread steel hrb400e 32 in diameter, is it special steel?: In addition to high-quality carbon structural steel, carbon tool steel and carbon spring steel, the rest are alloy steel, and alloy steel accounts for about 70% of the special steel.

Q: What is the purpose of steel rebars?: The purpose of steel rebars is to reinforce concrete structures, providing strength and stability by counteracting tensile forces and preventing cracks or failure under pressure.

Q: What are the different methods of protecting steel rebars from fire?: There are several methods of protecting steel rebars from fire. One common approach is to apply a coating of fire-resistant material, such as intumescent paint or epoxy-based fireproofing, directly onto the rebar surface. These coatings expand and form a protective layer when exposed to high temperatures, slowing down the transfer of heat to the steel and delaying its structural weakening. Another method involves encasing the rebars in fire-resistant materials, such as concrete or gypsum board, creating a barrier between the steel and the fire. Additionally, fireproofing sprays and wraps can be used to provide temporary protection during construction or renovation projects. Each method has its own advantages and suitability depending on the specific application and fire safety requirements.

Q: How are steel rebars used in the construction of dams?: Steel rebars are used in the construction of dams to reinforce the concrete structure and provide additional strength and durability. They are typically placed within the concrete to resist tensile forces and prevent cracking or collapsing under the immense pressure of water. The rebars help to distribute the load evenly across the dam, increasing its overall stability and ensuring its long-term structural integrity.

Q: What is the process of reinforcing existing concrete structures with steel rebars?: The process of reinforcing existing concrete structures with steel rebars involves several steps to enhance the strength and durability of the structure. Firstly, a thorough inspection and assessment of the existing concrete structure is conducted to determine its condition and identify areas that require reinforcement. This involves examining the concrete for cracks, signs of degradation, or any other structural issues. Once the areas requiring reinforcement are identified, the next step is to prepare the surface. This involves cleaning the concrete surface to remove any loose debris, dirt, or contaminants that may hinder the bonding of the rebars with the concrete. This can be done using various methods such as pressure washing or sandblasting. After the surface preparation, the rebars are then placed strategically within the concrete structure. The positioning and spacing of the rebars are crucial to ensure optimal reinforcement and structural integrity. This is typically done by drilling holes or creating channels in the concrete where the rebars will be placed. Next, the rebars are inserted into the holes or channels, ensuring that they are properly aligned and secured. The rebars are typically cut to the required length and bent into the desired shape to fit the specific reinforcement needs of the structure. Once the rebars are in place, they are then anchored or secured to the existing concrete using various methods. This can be achieved through the use of epoxy adhesive, mechanical anchors, or by embedding the rebars into fresh concrete poured around them. Finally, the concrete is repaired or restored to its original condition, covering the rebars and ensuring a smooth and even surface. This can involve patching up any holes or channels created during the reinforcement process and finishing the surface to match the surrounding concrete. Overall, the process of reinforcing existing concrete structures with steel rebars requires careful planning, proper surface preparation, precise placement of rebars, secure anchoring, and appropriate finishing to achieve a strengthened and long-lasting structure.

Q: What is the effect of exposure to UV radiation on steel rebars?: Exposure to UV radiation can cause degradation and damage to steel rebars. The radiation can lead to the breakdown of the protective oxide layer on the surface of the steel, making it more susceptible to corrosion. Additionally, UV radiation can induce surface pitting and cracking, compromising the structural integrity of the rebars. Therefore, it is crucial to protect steel rebars from prolonged exposure to UV radiation to ensure their long-term durability and safety in construction projects.

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