BST500S deformed steel bar for construction

BST500S deformed steel bar for construction System 1

BST500S deformed steel bar for construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Product Description:

Specifications of HRB400 Deformed Steel Bar:

Standard	GB	HRB400
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length	6M, 9M,12M or as required
Place of origin	Hebei, China mainland
Advantages	exact size, regular package, chemical and mechanical properties are stable.
Type	Hot rolled deformed steel bar
Brand name	DRAGON

Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P		V
HRB400	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045		0.04-0.12
	Physical capability
	Yield Strength (N/cm²)		Tensile Strength (N/cm²)			Elongation (%)
	≥400		≥570			≥14

Theoretical weight and section area of each diameter as below for your information:

Diameter(mm)	Section area (mm²)	Mass(kg/m)	Weight of 12m bar(kg)
6	28.27	0.222	2.664
8	50.27	0.395	4.74
10	78.54	0.617	7.404
12	113.1	0.888	10.656
14	153.9	1.21	14.52
16	201.1	1.58	18.96
18	254.5	2.00	24
20	314.2	2.47	29.64
22	380.1	2.98	35.76
25	490.9	3.85	46.2
28	615.8	4.83	57.96
32	804.2	6.31	75.72
36	1018	7.99	98.88
40	1257	9.87	118.44
50	1964	15.42	185.04

Usage and Applications of HRB400 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 HRB400 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, CIF

BST500S deformed steel bar for construction

Q: What are the advantages of using epoxy-coated steel rebars?: Using epoxy-coated steel rebars in construction projects has several advantages. Firstly, the epoxy coating provides excellent corrosion resistance, protecting the rebars from moisture, oxygen, and other environmental elements. This extends their lifespan and enhances the durability of the structure. Secondly, epoxy-coated steel rebars offer improved bonding strength due to their rough surface. This enhances the adhesive properties between the rebar and the concrete, resulting in better load transfer and strengthening the structure. It also reduces cracking and improves the overall structural integrity. Another advantage is their ability to resist chemical attack. The epoxy coating acts as a barrier, preventing direct contact between the steel and chemicals in environments like wastewater treatment plants or industrial facilities. This helps maintain the structural integrity over time. Additionally, epoxy-coated steel rebars are easier to handle and install. The smoothness of the coating reduces friction, making it easier to position and place the rebars accurately. This simplifies the construction process, increases productivity, and reduces labor costs. Lastly, epoxy-coated steel rebars offer aesthetic benefits. The coating can be customized to different colors, allowing for better visual integration with architectural designs. This is particularly useful in projects where the rebars are visible, such as bridges or artistic structures. In conclusion, using epoxy-coated steel rebars provides corrosion resistance, improved bonding strength, chemical resistance, easier handling and installation, and aesthetic benefits. This leads to enhanced durability, reduced maintenance costs, and improved structural performance in construction projects.

Q: Can steel rebars be used in underground construction projects?: Yes, steel rebars can be used in underground construction projects. Rebars are commonly used in all types of construction projects, including underground structures. The main purpose of steel rebars is to reinforce concrete and provide additional strength and stability to the structure. In underground construction, rebars are often used in the construction of foundations, walls, and columns to strengthen the concrete and ensure the integrity of the structure. The use of steel rebars in underground construction projects helps to increase the load-bearing capacity of the concrete, making it more resistant to the pressure and forces exerted by the surrounding soil and groundwater. Additionally, steel rebars are highly durable and resistant to corrosion, which makes them suitable for underground environments where they may be exposed to moisture and other potentially damaging elements. Overall, the use of steel rebars in underground construction projects is essential for ensuring the structural stability and longevity of the underground structures.

Q: How are steel rebars affected by long-term exposure to water?: Steel rebars are significantly affected by long-term exposure to water, as it can lead to corrosion. Water acts as a catalyst for the corrosion process, causing the steel rebars to rust and deteriorate over time. This can weaken the structural integrity of the rebars and the surrounding concrete, potentially compromising the overall strength and safety of the structure. Regular maintenance and protective measures, such as proper coating or waterproofing, are essential to mitigate the negative effects of long-term water exposure on 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 are the different types of steel rebars used in tunnel construction?: Tunnel construction incorporates a variety of steel rebars, each possessing distinct properties and advantages. 1. Carbon Steel Rebars: These rebars, widely utilized in tunnel construction, boast exceptional strength and durability, rendering them suitable for rigorous applications. Additionally, they offer a cost-effective solution, making them a favored choice for numerous tunnel projects. 2. Stainless Steel Rebars: Tunnel environments exposed to elevated moisture levels, chemicals, or saltwater benefit from stainless steel rebars, which possess corrosion-resistant qualities. Compared to carbon steel rebars, they have a longer lifespan, ultimately reducing maintenance and replacement expenses. 3. Epoxy-Coated Rebars: Epoxy-coated rebars, comprising carbon steel rebars coated with an epoxy layer, provide additional protection against corrosion. As a result, they are well-suited for tunnels situated in harsh environments or those with high chloride content in the soil or water. 4. Galvanized Rebars: To safeguard against corrosion, carbon steel rebars undergo a zinc coating process, resulting in galvanized rebars. They find common use in tunnels where moisture and water exposure are significant concerns. Galvanized rebars exhibit durability and are relatively cost-effective. 5. Fiber-Reinforced Polymer (FRP) Rebars: FRP rebars, composed of composite materials such as fiberglass and resin, deliver benefits such as lightweight construction, corrosion resistance, and an exceptional strength-to-weight ratio. They prove particularly valuable in tunnels where weight reduction is essential, such as in soft ground conditions or when the tunnel structure has load-bearing capacity limitations. It is crucial to consider various factors, including project requirements, environmental conditions, and budgetary constraints, when selecting steel rebars for tunnel construction. Consulting with structural engineers and experts is imperative to determine the most suitable rebars for a specific tunnel project.

Q: Are steel rebars suitable for use in foundation structures?: Yes, steel rebars are suitable for use in foundation structures. Steel rebars, also known as reinforcing bars, are commonly used in concrete construction to provide strength and reinforcement to the structure. The use of steel rebars in foundation structures helps to increase the load-bearing capacity and durability of the foundation. Steel rebars are made from steel, which has high tensile strength and is resistant to corrosion, making it an ideal material for use in foundation structures. The rebars are placed in the concrete during construction, providing additional strength and preventing cracks or fractures in the foundation. They help to distribute the load evenly throughout the foundation, reducing the risk of settlement or failure. Furthermore, steel rebars can be easily customized to meet the specific requirements of the foundation structure. They come in various sizes, shapes, and grades, allowing for flexibility in design and construction. This versatility makes steel rebars suitable for use in different types of foundation structures, including residential, commercial, and industrial buildings. Overall, steel rebars are a reliable and cost-effective choice for reinforcing foundation structures. They enhance the structural integrity and longevity of the foundation, ensuring a solid and stable base for the entire building.

Q: How are steel rebars measured and priced?: Steel rebars are typically measured and priced based on their length, thickness, and weight. The length is measured in feet or meters, and the thickness is measured in inches or millimeters. The weight is usually given in pounds or kilograms. The pricing of steel rebars depends on current market conditions, including factors such as supply and demand, raw material costs, and manufacturing expenses. Additionally, any additional processing or customization requested by the customer may also impact the final price.

Q: What is the relationship between the price and the hot coil steel prices?: This is the current situation in the steel market. I'll make a fool of myself:I. energy conservation and emission reduction. The billet supply shortage in Hebei, the steel thread reduced supply, local area and even out of stock.Two, demand. Demand for long products now than flat material, by volume, resulting in coil ascribed weakness.Three, futures. Market confidence is not the same, the thread futures are now definitely heat up the volume of fast. Reflected to the spot, the thread rose fastFour, steel mills. Steel mills under the relationship between cost and supply, thread factory prices have been rising steadily; not hot.Five, inventory. Integrated one or two and four, thread destocking faster.Six, traders mentality. Why do you ask such a question, you are not what the firm confidence, also want to put prices up.

Q: What are the different shapes and forms of steel rebars available?: In construction projects, various shapes and forms of steel rebars are available, each tailored for specific applications and requirements. 1. The most commonly used steel rebars are plain round bars, which have a circular cross-section. They find wide-ranging applications, including general construction, reinforcement in concrete slabs, and foundation works. 2. Deformed bars, on the other hand, have surface protrusions or deformations to enhance adhesion with concrete. These deformations increase the bond strength between the rebar and the concrete, making them suitable for applications demanding high tensile strength, such as columns, beams, and retaining walls. 3. Square rebars, as their name suggests, have a square cross-section. They are commonly employed in applications requiring a strong bond with concrete, such as precast concrete elements, footings, and walls. 4. Rectangular rebars possess a rectangular cross-section and are frequently utilized in applications necessitating higher tensile strength, such as bridges, tunnels, and heavy structural elements. 5. Welded wire fabric (WWF) is a prefabricated reinforcement material comprising a grid-like pattern formed by welding longitudinal and transverse wires together. It is commonly used in slabs, walls, and pavements to ensure uniform reinforcement distribution. 6. Dowel bars are specifically employed to transfer loads between adjoining concrete elements, such as connecting slabs or pavements. Smooth round bars are typically used and inserted into drilled holes with epoxy adhesive to enhance load transfer. 7. T-shaped rebars have a T-like cross-section, featuring a stem and a flange. They find common applications where additional reinforcement is required at specific locations, such as joints, corners, and connections. To ensure optimal reinforcement and structural integrity, it is crucial to consider the specific requirements of the construction project and consult with structural engineers or professionals to determine the appropriate shape and form of steel rebars.

Q: Are steel rebars susceptible to magnetic fields?: Yes, steel rebars are susceptible to magnetic fields. Steel is a ferromagnetic material, which means it can be magnetized and is attracted to magnets. This property is due to the presence of iron in the steel composition. When exposed to a magnetic field, the atoms in the steel align themselves with the field, causing the steel to become magnetized. However, it's important to note that the strength of the magnetic field required to magnetize steel rebars is generally quite high and requires a powerful magnet. In most everyday situations, the magnetic fields encountered are not strong enough to significantly affect the behavior or properties of steel rebars.

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