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: How do steel rebars affect the overall thermal stability of a structure?: Steel rebars can significantly improve the overall thermal stability of a structure. Due to their high thermal conductivity, steel rebars help in dissipating heat more efficiently and evenly throughout the structure. This prevents the formation of localized hot spots and reduces the risk of thermal expansion, which can cause structural deformations and cracks. Additionally, steel rebars enhance the structural integrity of a building during fire incidents by providing necessary reinforcement and preventing sudden collapses.

Q: Can steel rebars be used in the construction of swimming pools?: Yes, steel rebars can be used in the construction of swimming pools. Steel rebars are commonly used to reinforce concrete structures, including swimming pools, as they provide strength and durability to the pool's structure.

Q: What is the role of steel rebars in reducing concrete shrinkage?: The reinforcement and added strength provided by steel rebars are crucial in minimizing concrete shrinkage. When concrete cures, it goes through hydration, a process in which it loses water and shrinks. This shrinkage has the potential to cause cracking and structural instability. By incorporating steel rebars into the concrete, they serve as reinforcement and help counteract shrinkage. These rebars offer tensile strength, which means they can resist pulling or stretching forces. As the concrete shrinks, the rebars hold it together and prevent excessive cracking. Moreover, steel rebars aid in distributing the load more evenly throughout the concrete structure. This reduces stress concentration in specific areas and further reduces the likelihood of shrinkage-related cracking. Additionally, steel rebars can act as thermal conductors, promoting even heat dissipation within the concrete. This prevents temperature differences within the structure, which can lead to differential shrinkage and subsequent cracking. To summarize, steel rebars play a vital role in reducing concrete shrinkage by providing reinforcement, resisting tensile forces, distributing loads, and regulating temperature differences. Consequently, they enhance the overall durability and stability of the concrete structure, minimizing the adverse effects of shrinkage.

Q: Can steel rebars be used in structures with aggressive chemical exposure?: Steel rebars can be used in structures with aggressive chemical exposure, but their performance may be compromised depending on the specific chemicals involved. It is crucial to select the appropriate type of steel with corrosion-resistant properties or use protective coatings to prevent degradation and maintain structural integrity. Additionally, regular maintenance and monitoring are required to ensure the rebars' durability in such environments.

Q: How do steel rebars contribute to the overall durability of a structure?: Steel rebars contribute to the overall durability of a structure by providing reinforcement and strength to concrete. They help to distribute and carry the load, preventing cracks and structural failures. Additionally, rebars enhance the structural integrity, resist deformation, and enhance the ability of a structure to withstand external forces such as earthquakes and wind loads, thereby increasing its durability and lifespan.

Q: What is the impact of steel rebars on the sustainability of a structure?: Steel rebars have a significant impact on the sustainability of a structure. Firstly, the use of steel rebars enhances the durability and longevity of the structure. Steel is a highly durable material that can withstand extreme weather conditions, seismic activities, and heavy loads. This means that structures reinforced with steel rebars have a longer lifespan, reducing the need for frequent repairs or replacement. Furthermore, steel rebars contribute to the structural integrity of a building. By reinforcing concrete, steel rebars help to prevent cracks and fractures, ensuring the stability and safety of the structure. This reduces the risk of structural failure, which can have catastrophic consequences. In terms of sustainability, the use of steel rebars also leads to resource efficiency. Steel is a highly recyclable material, with a recycling rate of over 90%. This means that at the end of a structure's life, the steel rebars can be easily recycled and used again, reducing the demand for virgin steel production. This not only conserves natural resources but also reduces energy consumption and greenhouse gas emissions associated with steel production. Additionally, the use of steel rebars allows for flexibility in design and construction. Steel rebars can be easily shaped and bent to fit specific structural requirements, allowing for more efficient use of materials and reducing waste. This flexibility also enables the construction of complex and innovative structures, promoting architectural diversity and creativity. Lastly, steel rebars offer resistance to fire, which is crucial for the safety of a structure and its occupants. Steel does not burn or contribute to the spread of fire, providing a higher level of fire resistance compared to other materials. This feature enhances the overall sustainability of a structure by reducing the risk of fire-related damage and loss. In conclusion, steel rebars have a positive impact on the sustainability of a structure. They enhance durability, contribute to structural integrity, promote resource efficiency through recycling, enable flexibility in design and construction, and provide resistance to fire. These factors collectively enhance the lifespan, safety, and environmental performance of a structure, making steel rebars a crucial component for sustainable construction.

Q: Can steel rebars be used in modular construction?: Yes, steel rebars can be used in modular construction. Steel rebars are commonly used as reinforcement in concrete structures, including those found in modular construction. They provide strength and durability to the modular units, ensuring their stability and structural integrity.

Q: Can steel rebars be used in heritage building restoration?: Yes, steel rebars can be used in heritage building restoration. Steel rebars provide structural reinforcement to the building, ensuring its stability and longevity. However, it is important to seek expert advice and follow specific guidelines to ensure the preservation of the building's historical integrity during the restoration process.

Q: What is the process of welding steel rebars together?: The process of welding steel rebars together involves heating the ends of the rebars using an electric arc or oxy-fuel flame until they reach a molten state. Once molten, the rebars are pressed together and fused to form a solid and continuous joint. This process is known as rebar welding and is commonly used in construction to reinforce concrete structures.

Q: Do steel rebars increase the overall weight of a structure?: Yes, steel rebars do increase the overall weight of a structure. Rebars are typically added to reinforce concrete structures, providing tensile strength to counteract the concrete's weakness in handling tension forces. Steel rebars are made of steel, which is a dense and heavy material. When incorporated into a structure, the weight of the rebars adds to the total weight of the construction. However, the additional weight is usually negligible compared to the overall weight of the structure, especially in large-scale projects. The benefits of using steel rebars in terms of structural integrity and durability far outweigh the minimal increase in weight they contribute.

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