HRB400 Deformed Steel Bar

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 25MT m.t.

Supply Capability:: 800000TONS/YEAR 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

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

Deformed Steel Bar in container

Deformed Steel Bar in factory

Note:

1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.

2. Other Grade and Standard Deformed Steel Bar we can supply:

Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S

Standard: ASTM, BS, DIN

The Minimum Order Quantity of these products is high, and need to be confirmed.

3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.

4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.

Q: Are steel rebars suitable for use in wastewater treatment plants?: Yes, steel rebars are suitable for use in wastewater treatment plants. They provide excellent strength and durability, making them ideal for reinforcing concrete structures in such environments. Additionally, steel rebars are corrosion-resistant, which is crucial in wastewater treatment plants where exposure to chemicals and moisture is common.

Q: What are the guidelines for splicing steel rebars in concrete?: The guidelines for splicing steel rebars in concrete typically include ensuring proper alignment and overlap of rebar ends, using appropriate splice connectors, and following specific splice length requirements as specified by engineering codes and standards. It is important to follow manufacturer instructions and consult with a structural engineer to ensure the correct splicing technique is used for each specific project.

Q: What are the factors that determine the spacing and diameter of steel rebars?: The factors that determine the spacing and diameter of steel rebars include the structural requirements of the project, the load-bearing capacity needed, the type of concrete being used, and the design codes and regulations in place. Additionally, factors such as the spacing of adjacent rebars, the concrete cover thickness, and the construction process also play a role in determining the spacing and diameter of steel rebars.

Q: Can steel rebars be used in structures with limited construction expertise?: No, steel rebars should not be used in structures with limited construction expertise. The correct installation and placement of rebars require specialized knowledge and skills to ensure the structural integrity and safety of the building. Using rebars incorrectly could result in a compromised structure and potential hazards. It is essential to consult professionals with expertise in construction to handle the installation of rebars properly.

Q: How do steel rebars affect the thermal conductivity of concrete structures?: Steel rebars have a significant impact on the thermal conductivity of concrete structures. The inclusion of steel rebars in concrete increases the overall thermal conductivity of the structure. This is because steel has a much higher thermal conductivity than concrete. Consequently, heat transfer through the concrete is facilitated by the presence of steel rebars, leading to a higher overall thermal conductivity of the structure.

Q: How do steel rebars affect the overall workability of concrete?: Concrete's overall workability is significantly improved by steel rebars. Workability refers to how easily concrete can be mixed, placed, compacted, and finished to achieve the desired shape and surface. The incorporation of steel rebars into concrete provides reinforcement and enhances its structural strength. These rebars act as a skeleton within the concrete matrix and evenly distribute loads and stresses throughout the structure. This reinforcement prevents cracking, improves structural integrity, and increases the concrete's load-bearing capacity. Steel rebars also aid in controlling shrinkage and cracking in concrete. During the curing process, concrete tends to shrink, leading to crack formation. However, the presence of rebars counteracts the tensile forces causing shrinkage and cracking, thus enhancing the concrete's overall durability. In addition to their structural benefits, steel rebars also facilitate concrete workability during construction. They guide proper concrete placement and prevent mix segregation or separation. These rebars ensure proper compaction, eliminating potential voids or air pockets and resulting in a more uniform mixture. Furthermore, steel rebars provide stability and support to concrete during curing and hardening stages. They prevent deformation or sagging of fresh concrete, ensuring it maintains its desired shape and form. This is particularly crucial for complex or intricate structures requiring precise shaping and positioning. Overall, the inclusion of steel rebars positively impacts concrete workability by enhancing structural strength, mitigating shrinkage and cracking, facilitating proper placement and compaction, and providing stability during the curing process. The combination of concrete and steel rebars creates a durable and reliable construction material capable of withstanding various loads and environmental conditions.

Q: Can steel rebars be used in architectural detailing?: Indeed, architectural detailing is an arena where steel rebars find extensive application. They serve the purpose of reinforcing concrete structures, thereby imparting them with enhanced robustness and stability. Furthermore, in the realm of architectural detailing, rebars are ingeniously integrated into the design to augment the structural integrity of the edifice or to fashion exquisite and elaborate patterns. The pliability of rebars allows for their bending, shaping, and positioning in diverse arrangements, thus enabling the achievement of desired architectural aesthetics. Moreover, the qualities of durability, corrosion resistance, and easy accessibility make steel rebars a favored selection in the realm of architectural detailing.

Q: What is the process of threading steel rebars?: The process of threading steel rebars involves creating threads on the ends of the rebars to allow for easy and secure connection with other rebars or structural elements. This threading process is typically done using a machine called a rebar threading machine. The first step in the process is to prepare the rebars by cutting them to the desired length. Once the rebars are cut, the ends are cleaned to remove any dirt, rust, or debris that may interfere with the threading process. This ensures a smooth and accurate threading operation. Next, the rebar threading machine is set up. The machine consists of a spindle that rotates at a high speed, along with a threading die that is positioned on the spindle. The threading die has grooves and ridges that are designed to cut threads into the rebars. To thread a rebar, one end is inserted into the threading machine, while the other end is held firmly in place. The machine is then started, and the spindle rotates, causing the threading die to cut into the rebar's surface. As the die moves along the rebar, it creates threads by removing small amounts of material. The machine is operated until the desired length of threads is achieved. The length of threads can vary depending on the specific requirements of the project and the type of connection being made. It is crucial to ensure that the threads are cut accurately and consistently to maintain the structural integrity of the rebar connections. Once the threading process is complete, the threaded rebars are inspected to ensure that the threads are clean, free from defects, and meet the required standards. The threaded rebars are then ready to be used in construction projects, where they can be connected to other rebars or structural elements using various methods such as couplers or nuts. In summary, the process of threading steel rebars involves cutting and cleaning the rebars, setting up a rebar threading machine, inserting the rebars into the machine, and using a threading die to cut threads into the rebars. This process ensures that the rebars can be easily and securely connected in construction projects, providing strength and stability to the structures they are used in.

Q: How are steel rebars handled and installed in congested reinforcement areas?: Steel rebars are handled and installed in congested reinforcement areas by using specialized equipment and techniques. This typically involves carefully planning and coordinating the placement of rebars to ensure they fit within the limited space available. Additionally, smaller rebars may be used, and alternative methods such as pre-fabricated cages or splicing techniques may be employed to optimize the installation process. Overall, a combination of precise planning, skilled labor, and innovative approaches is necessary to handle and install steel rebars in congested reinforcement areas.

Q: Can steel rebars be used in combination with other reinforcement materials?: Combining steel rebars with other reinforcement materials is a common practice in construction projects. Steel rebars provide tensile strength and improve overall structural integrity in reinforced concrete structures. However, additional reinforcement materials may be needed in certain cases to meet design requirements or overcome unique construction challenges. For example, in areas with high seismic activity, it is important to prioritize flexibility and ductility. In these situations, steel rebars can be combined with materials like fiber-reinforced polymer (FRP) bars or carbon fiber-reinforced polymer (CFRP) strips. These materials offer increased strength and flexibility, enhancing the structure's ability to withstand seismic forces. Furthermore, when corrosion is a concern, steel rebars can be used alongside corrosion-resistant materials such as stainless steel rebars or epoxy-coated rebars. These materials form a protective barrier, preventing direct contact between the steel rebars and moisture or corrosive agents. Moreover, in specialized applications like precast concrete elements or composite structures, steel rebars can be used in conjunction with other reinforcement materials like prestressed tendons or structural fibers. This combination allows for load redistribution and ensures optimal structural performance. In conclusion, combining steel rebars with other reinforcement materials is an effective way to meet specific construction requirements, improve structural performance, and address challenges related to seismic activity, corrosion, or specialized applications.

EDBAR is a well-known company specialised in production and sales of steel product--billet, dformed bar and round bar.The annual production capacity is 1.5million mtons of round bar and 0.5 million mtons of deformed bars.

1. Manufacturer Overview

Location	Hebei, China
Year Established	2009
Annual Output Value	Above US$ 500 Million
Main Markets	Southeast Asia; East Asia; Middle east
Company Certifications	ISO 9001:2008

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Tianjin;
Export Percentage	40%-60%
No.of Employees in Trade Department	21-60 People
Language Spoken:	English; Chinese
b) Factory Information
Factory Size:	Above 850,000 square meters
No. of Production Lines	Above 5
Contract Manufacturing	OEM service offered
Product Price Range	high; average