Good quality deformed bars with grade HRB400

Good quality deformed bars with grade HRB400 System 1

Good quality deformed bars with grade HRB400

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

Specifications of HRB400 Deformed Steel Bar:

Standard	GB	HRB400
Diameter	10mm-32mm

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

Chemical Composition: (Please kindly find our chemistry of our material based on HRB400 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)
18	254.5	2.00	24
20	314.2	2.47	29.64
22	380.1	2.98	35.76

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

Good quality deformed bars with grade HRB400

*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.

Q: Can steel rebars be used in structures with curved or irregular shapes?: Yes, steel rebars can be used in structures with curved or irregular shapes. The flexibility and malleability of steel allow rebars to be bent and shaped according to the desired design, making it suitable for various architectural and engineering applications.

Q: What is the role of steel rebars in minimizing the risk of progressive collapse?: Steel rebars play a critical role in minimizing the risk of progressive collapse by providing structural reinforcement and enhancing the load-bearing capacity of a building or structure. They are embedded within concrete elements such as beams, columns, and slabs, creating a composite structure that can resist higher loads and distribute them evenly. In the event of a localized failure or an unexpected load, rebars help prevent the collapse from propagating further by transferring the load to other intact elements, thereby preventing a catastrophic failure. Overall, steel rebars contribute to the structural integrity and resilience of a building, reducing the risk of progressive collapse.

Q: What is the role of steel rebars in minimizing the risk of structural collapse?: Steel rebars play a crucial role in minimizing the risk of structural collapse by enhancing the strength and stability of reinforced concrete structures. They provide additional tensile strength to the concrete, which is otherwise weak in tension. By reinforcing the concrete with steel rebars, the overall load-bearing capacity of the structure increases, making it more resistant to external forces such as earthquakes, winds, and heavy loads. Additionally, rebars help in distributing and transferring the applied loads, reducing the concentration of stress points and preventing cracks or failures in the structure. Therefore, steel rebars act as a vital component in ensuring the structural integrity and safety of buildings and infrastructure.

Q: What is the difference between steel rebars and FRP rebars?: Steel rebars are traditional reinforcement bars made of steel, while FRP rebars are reinforced polymer bars. The main difference lies in their composition and properties. Steel rebars are strong and durable, but they are prone to corrosion, requiring regular maintenance. On the other hand, FRP rebars are corrosion-resistant, lightweight, and possess high tensile strength. They also offer better thermal and electrical insulation. However, FRP rebars are relatively new in the construction industry and may be more expensive compared to steel rebars.

Q: Are there any limitations on the length of steel rebars?: Yes, there are limitations on the length of steel rebars. The maximum length of steel rebars is typically determined by transportation and handling constraints. Longer rebars may become difficult to transport and maneuver, posing safety risks. Additionally, longer rebars may be more prone to bending or deformation during installation, compromising their structural integrity. Therefore, industry standards and regulations typically specify maximum lengths for steel rebars to ensure safe and efficient construction practices.

Q: What specifications should be used for the three - step steel electroslag pressure welding electrode?: The electrode (coveredelectrode), is the metal coating in the welding core (coating), uniform centripetal pressure applied to core. The core metal cored electrode, in order to ensure the quality and performance of the weld, there are strict rules on the contents of metal elements in the core, especially for harmful impurities (such as sulfur, phosphorus content, etc.) should be strictly restricted, better than the base metal. The electrode consists of two cores and coating composition. The different cores are also different. The core components directly affect the composition and properties of the weld metal, so the harmful elements in the welding core to as little as possible.

Q: How are steel rebars labeled or marked for identification?: Steel rebars are typically labeled or marked for identification through the use of specific symbols, numbers, or letters. This identification system allows for easy recognition of the rebar's characteristics, such as its size, grade, and manufacturer. These markings can be found on the surface of the rebar, providing crucial information to ensure proper usage and structural integrity in construction projects.

Q: How can the quality of steel rebars be tested?: The quality of steel rebars can be tested through various methods such as visual inspection, dimensional measurement, destructive testing (such as tensile strength and elongation tests), non-destructive testing (such as ultrasonic testing, magnetic particle inspection, and radiographic testing), chemical analysis, and corrosion resistance evaluation. These methods collectively ensure that the steel rebars meet the required quality standards and are free from defects or weaknesses.

Q: Can steel rebars be used in underground structures?: Yes, steel rebars can be used in underground structures. They provide strength and reinforcement to the concrete, making it capable of withstanding the pressure and load of the underground environment. Additionally, steel rebars have excellent resistance to corrosion, which is crucial in underground structures where moisture and other environmental factors may accelerate deterioration.

Q: How do steel rebars affect the overall durability of a structure?: Steel rebars play a crucial role in enhancing the overall durability of a structure. By providing reinforcement to concrete, they contribute to the structural integrity and longevity of the building. The presence of rebars helps to distribute and withstand tensile forces, increasing the load-bearing capacity of the structure. One of the primary benefits of steel rebars is their ability to resist cracking and prevent the propagation of cracks in concrete. As concrete is weak in tension, the introduction of rebars helps to absorb and distribute tensile stresses, reducing the likelihood of cracks forming. This is particularly important in areas prone to seismic activity or other dynamic forces. Moreover, rebars also offer excellent resistance to corrosion, which is a common threat to the durability of structures, especially those in coastal or humid environments. The steel used in rebars is typically treated with corrosion-resistant coatings or made from stainless steel, ensuring long-term protection against rust and deterioration. The inclusion of steel rebars in concrete structures also enhances their resistance to fire. Steel has a high melting point, and when embedded in concrete, it acts as a heat sink, slowing down the spread of fire and providing additional time for evacuation and firefighting efforts. In summary, steel rebars significantly contribute to the overall durability of a structure by improving its resistance to cracking, corrosion, and fire. Their ability to reinforce concrete and withstand tensile forces ensures the structural stability and longevity of the building, making it more resilient to various environmental and man-made hazards.

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