Hot rolled high quality deformed bar 10-50mm

Hot rolled high quality deformed bar 10-50mm System 1

Hot rolled high quality deformed bar 10-50mm

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 25000 m.t./month

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Deformed Bar Details:

Minimum Order Quantity:		Unit:	m.t.	Loading Port:
Supply Ability:		Payment Terms:		Package:	wire rod packing

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

Q: What are the factors that can cause steel rebars to corrode prematurely?: There are several factors that can contribute to the premature corrosion of steel rebars. These include exposure to moisture, high levels of chloride ions, carbonation of concrete, inadequate concrete cover, poor quality of concrete or protective coatings, and the presence of other aggressive chemicals such as sulfates or acids. Environmental conditions, such as high humidity, coastal areas, or industrial environments, can also accelerate the corrosion process. Additionally, improper construction practices, such as inadequate compaction or curing of concrete, can lead to the initiation and progression of corrosion in steel rebars.

Q: What is the standard diameter of steel rebars?: Steel rebars usually have a standard diameter that falls between 6 millimeters and 50 millimeters. The most frequently used diameters are 10 millimeters, 12 millimeters, 16 millimeters, and 20 millimeters. The choice of a particular diameter for a steel rebar depends on the specific application and the structural demands of the construction project. These rebars are commonly employed in reinforced concrete structures to bolster their tensile strength and overall endurance.

Q: 10 less than three rebar refers to the rebar?: Grade steel HPB235, grade three steel, HRB400. Where P represents light circle, and R indicates rib (thread).Numbers indicate the degree of flexion (which can be regarded as strength). Is that clear?

Q: Are steel rebars resistant to chemical exposure?: Chemical exposure is usually not a problem for steel rebars due to their resistance. The strength and durability of steel make it less likely to corrode or degrade when it comes into contact with chemicals. However, some chemicals can still harm steel rebars. For instance, acids like sulfuric acid can gradually corrode steel and weaken its structure. Similarly, highly alkaline substances can also cause corrosion in steel rebars. Therefore, even though steel rebars are generally resistant to various chemicals, it is crucial to consider the specific chemical environment and take necessary precautions to safeguard them from potential damage.

Q: Can steel rebars be used in swimming pools and water tanks?: Swimming pools and water tanks can indeed utilize steel rebars. These structures often rely on steel rebars for added strength and stability. During construction, the rebars are typically inserted into the concrete or masonry walls of the pool or tank. Notably, steel rebars possess exceptional durability and corrosion resistance, rendering them an optimal choice for these applications which entail constant exposure to water. Furthermore, the incorporation of steel rebars aids in averting cracks and enhancing the overall structural integrity of the pool or tank.

Q: How do steel rebars affect the construction cost of high-rise buildings?: High-rise buildings' construction costs are significantly influenced by steel rebars. These reinforced steel bars are vital for providing strength and stability to the structure, particularly in high-rise buildings that face greater structural loads. To begin with, the cost of steel rebars can make up a substantial portion of the overall construction budget. Market fluctuations affect steel rebars' prices, meaning any increase in steel prices can directly impact construction costs. Additionally, high-rise buildings typically require a higher quantity and quality of rebars compared to low-rise structures, further increasing the overall cost. Furthermore, the installation of steel rebars adds to the construction cost due to the need for skilled labor and specialized equipment. Reinforcing concrete with steel rebars necessitates careful planning, precise placement, and adherence to construction codes and safety standards. Hiring experienced and qualified workers results in higher labor costs. Moreover, the use of steel rebars enhances the durability and longevity of high-rise buildings. By reinforcing the structure, rebars improve the building's structural integrity, making it more resistant to forces like earthquakes, wind, and vibrations. This reduces maintenance and repair costs over the building's lifespan, making the initial investment in steel rebars worthwhile. Lastly, steel rebars impact the overall construction timeline and project schedule. As a critical component of the building's structure, installing rebars is typically time-consuming. Delays or errors in this process can lead to project delays and additional costs. Therefore, proper planning, coordination, and supervision are necessary to ensure the efficient and timely installation of rebars, minimizing any potential cost overruns. In conclusion, steel rebars play a crucial role in high-rise building construction, significantly impacting the overall cost. Despite the direct costs of rebars, labor, and specialized equipment, their use ultimately enhances the building's strength, durability, and longevity. Considering the long-term benefits and the importance of structural integrity, including steel rebars is necessary, despite their impact on construction costs.

Q: Can steel rebars be used in swimming pools and water tanks?: Yes, steel rebars can be used in swimming pools and water tanks. Steel rebars provide strength and durability to the concrete structures, making them suitable for withstanding the weight of the water and any external pressures. However, it is essential to ensure proper corrosion protection measures are in place to prevent the rebars from rusting due to the constant exposure to water.

Q: What is the purpose of using stirrups with steel rebars?: The purpose of using stirrups with steel rebars is to provide additional strength and stability to reinforced concrete structures. Stirrups, which are typically U-shaped or circular, are placed around the vertical rebars to prevent them from buckling or collapsing under tension. They help distribute the load evenly across the entire structure, enhancing its durability, resistance to bending, and overall structural integrity.

Q: How do steel rebars contribute to the overall architectural design of a structure?: Steel rebars contribute to the overall architectural design of a structure by providing strength, durability, and reinforcement. They are used to reinforce concrete and enhance its structural integrity, allowing for the construction of taller buildings and longer spans. Steel rebars also help distribute loads evenly, increasing the building's resistance to earthquakes and other external forces. Additionally, rebars can be shaped and positioned in various ways to create unique architectural elements and designs, adding aesthetic value to the structure.

Q: What are the different types of coatings available for steel rebars to prevent corrosion?: There are several types of coatings available for steel rebars to prevent corrosion. These include epoxy coatings, zinc coatings, galvanized coatings, and polyethylene coatings. Each coating has its own unique properties and level of protection against corrosion.

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