Deformed bars in Grade HRB400 with Best Quality

Deformed bars in Grade HRB400 with Best Quality System 1

Deformed bars in Grade HRB400 with Best Quality

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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 are steel rebars protected during storage and transportation?: Steel rebars are typically protected during storage and transportation by applying a coating of corrosion-resistant materials, such as epoxy or zinc. Additionally, rebars are often bundled together and securely packaged to prevent damage or shifting during transit.

Q: Can steel rebars be used in underground construction projects?: Indeed, steel rebars have the ability to be utilized in underground construction endeavors. In fact, rebars are commonly employed in a wide array of construction projects, including those involving subterranean structures. The primary purpose of steel rebars is to fortify concrete and furnish the structure with added strength and stability. In underground construction specifically, rebars are frequently employed in the creation of foundations, walls, and columns to fortify the concrete and guarantee the integrity of the structure. By incorporating steel rebars into underground construction projects, the load-bearing capacity of the concrete is significantly enhanced, rendering it more impervious to the pressure and forces exerted by the surrounding soil and groundwater. Furthermore, steel rebars possess exceptional durability and corrosion resistance, thus rendering them appropriate for subterranean environments where they may be exposed to moisture and other potentially harmful elements. In sum, the inclusion of steel rebars in underground construction endeavors is absolutely vital in order to ensure the structural stability and longevity of these below-ground structures.

Q: How do steel rebars contribute to the overall stiffness of a structure?: The stiffness of a structure is enhanced and reinforced by steel rebars, which also increase its load-bearing capacity. When steel rebars are embedded in concrete, they create a composite material called reinforced concrete. This material combines the compressive strength of concrete with the tensile strength of steel. The main role of steel rebars is to resist tensile forces that can lead to cracking or failure of the concrete. Although concrete has excellent compressive strength, it is weak in tension. By adding steel rebars, the overall stiffness of the structure is improved as the rebars take on the tensile stresses and prevent the concrete from failing under tension. Strategically placed within the concrete, the rebars are able to resist anticipated forces and evenly distribute them throughout the structure. As external loads, such as the weight of the building or environmental forces like wind or earthquakes, are applied to the structure, the rebars counteract the tension caused by these loads. This reinforcement guarantees the integrity and stability of the structure, preventing any significant deformations or collapse. Additionally, steel rebars contribute to the ductility of the structure. Ductility refers to a material's ability to deform without fracturing. Steel possesses high ductility, which, when incorporated into reinforced concrete, allows the structure to endure some level of flexure and movement without compromising its overall strength and stability. This improved ductility enhances the structural resilience, making the building more resistant to extreme external forces. To summarize, steel rebars are essential for enhancing the overall stiffness of a structure by reinforcing the concrete and providing tensile strength. They prevent cracking and failure under tension, evenly distribute forces, and enhance the structural resilience and ductility. By combining the compressive strength of concrete with the tensile strength of steel, steel rebars ensure the structure's ability to withstand various loads while maintaining stability and integrity over time.

Q: What's the difference between earthquake resistant thread steel and common thread steel?: Seismic steel can meet all the performance indexes of ordinary steel, but also can satisfy the tensile strength and yield strength of the actually measured ratio of not less than 1.25 characters; yield strength and yield strength characteristics measured standard value of the ratio is not greater than 1.30; Taiyuan dedicated steel maximum force elongation of not less than 9%, the three criteria.

Q: Are steel rebars susceptible to rusting?: Yes, steel rebars are susceptible to rusting.

Q: How do steel rebars contribute to sustainable construction practices?: There are several ways in which steel rebars contribute to sustainable construction practices: 1. Enhanced durability: Steel rebars possess a high level of durability and have a long lifespan, which results in less frequent replacements or repairs. This helps in minimizing the generation of waste and conserving valuable resources. 2. Advancement in structural strength: Steel rebars offer superior strength and structural integrity to reinforced concrete. This enables the construction of tall buildings and structures, reducing the need for land consumption and encouraging vertical growth in urban areas. 3. Energy-conscious production: Steel rebars are manufactured using energy-efficient processes, reducing the carbon footprint associated with their production. Moreover, their use in reinforced concrete structures improves energy efficiency by reducing the requirement for additional insulation materials. 4. Recyclability: Steel rebars are entirely recyclable, meaning they can be melted down and reused in new construction projects. This diminishes the demand for new steel, conserving natural resources and reducing greenhouse gas emissions related to steel production. 5. Waste reduction: The application of steel rebars in reinforced concrete structures reduces the quantity of construction and demolition waste generated. By providing a strong and long-lasting structure, it minimizes the necessity for frequent renovations or replacements, ultimately reducing waste generation over time. 6. Strengthened seismic resistance: Steel rebars enhance the ability of buildings and structures to withstand earthquakes and other natural disasters, thus improving their seismic resistance. This ensures the safety of occupants and reduces the post-disaster reconstruction efforts, contributing to sustainable development. Overall, the use of steel rebars in construction promotes sustainability by reducing waste, conserving resources, improving energy efficiency, and enhancing the durability and resilience of structures.

Q: Are steel rebars resistant to UV radiation?: No, steel rebars are not resistant to UV radiation.

Q: Do steel rebars increase the overall weight of a structure?: Indeed, the utilization of steel rebars does amplify the overall weight of a structure. Rebars are generally included to fortify concrete structures, offering tensile strength to counterbalance the concrete's vulnerability in managing tension forces. Steel rebars consist of steel, a material that is both dense and weighty. By incorporating rebars into a structure, the weight of these elements contributes to the entirety of the construction's weight. Nevertheless, the supplementary weight is typically insignificant when compared to the overall weight of the structure, especially in extensive ventures. The advantages of employing steel rebars in terms of structural integrity and longevity far surpass the minimal augmentation in weight they contribute.

Q: Are steel rebars resistant to chemical damage?: Yes, steel rebars are generally resistant to chemical damage.

Q: What is the average lifespan of steel rebars in marine environments?: The average lifespan of steel rebars in marine environments varies depending on several factors such as the quality of the steel, level of exposure to saltwater and other corrosive elements, maintenance practices, and design considerations. However, with proper corrosion protection measures and regular maintenance, steel rebars in marine environments can typically last around 30 to 50 years.

Send your message to us

*Email

*TEL

*Quantity

*Unit