Deformed steel bar

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

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Product Description:

Specifications of Deformed Steel Bar:

Standard	GB	HRB335, HRB400, HRB500
	UK	G460B, B500A, B500B,B500C
	USA	GR40, GR60
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm
Diameter
Length	6M, 9M,12M or as required
Place of origin	Hebei, China mainland
Application	building,construction,road,bridge etc
Brand name	DRAGON

Theoretical weight and section area of each diameter as below for your information:

Diameter(mm)	Section area (mm²)	Mass(kg/m)
6	28.27	0.222
8	50.27	0.395
10	78.54	0.617
12	113.1	0.888
14	153.9	1.21
16	201.1	1.58
18	254.5	2.00
20	314.2	2.47
22	380.1	2.98
25	490.9	3.85
28	615.8	4.83
32	804.2	6.31
36	1018	7.99
40	1257	9.87
50	1964	15.42

Usage and Applications of 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 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 Coil

deformed bar in coil

Produce Line of Deformed Steel Bar

the produce line of deformed bar

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 available in different shapes and profiles?: Steel rebars are available in a variety of shapes and profiles, not just the plain round bar. The plain round bar is circular and smooth, but there are also deformed bars with ribs or indentations along their length. These ribs improve the adhesion between the rebars and the surrounding concrete, making the structure stronger and more stable. Steel rebars can be found in different sizes and lengths to meet different construction needs. Square bars, flat bars, and T-shaped bars are examples of other profiles available. These different shapes and profiles give engineers and builders the flexibility to choose the most suitable type of steel rebar for their specific construction projects.

Q:What are the different types of steel rebars used in high-rise buildings?: There are several types of steel rebars that are commonly used in high-rise buildings due to their strength and durability. These include: 1. Mild Steel Rebars: Also known as black bars, these are the most commonly used type of rebars in construction. They have a low carbon content and are easily weldable, making them ideal for reinforcing concrete structures. 2. High Strength Deformed (HSD) Steel Rebars: These rebars have a higher tensile strength than mild steel rebars. They are made by cold twisting or stretching the mild steel bars, resulting in a deformed pattern on the surface that provides better bonding with concrete. 3. Corrosion-Resistant Steel Rebars: In high-rise buildings located in coastal areas or regions with high humidity, corrosion-resistant steel rebars are used to prevent rust and deterioration. These rebars are coated with epoxy or galvanized to protect them from moisture and corrosive elements. 4. Carbon Steel Rebars: These rebars are made of carbon steel and have a higher carbon content than mild steel rebars. They offer excellent tensile strength and are often used in high-rise buildings where additional reinforcement is required. 5. Stainless Steel Rebars: Stainless steel rebars are highly resistant to corrosion and can withstand extreme weather conditions. They are commonly used in high-rise buildings that require long-term durability and protection against rust. 6. TMT (Thermo-Mechanically Treated) Steel Rebars: TMT rebars are manufactured by subjecting mild steel bars to a combination of heat treatment and mechanical deformation. This process imparts superior strength and ductility to the rebars, making them suitable for high-rise buildings where seismic resistance is crucial. Each type of steel rebar has its own specific properties and advantages, allowing engineers and construction professionals to choose the most appropriate type based on the requirements and specifications of the high-rise building project.

Q:High strength thread steel hrb400e 32 in diameter, is it special steel?: Hrb400e diameter 32 of the rebar is not special steel, it is seismic steel.

Q:How are steel rebars used in railway track construction?: Steel rebars are used in railway track construction to reinforce the concrete sleepers or ties that support the tracks. They provide strength and stability to the tracks, ensuring they can withstand the heavy loads and constant vibrations of trains passing over them. The rebars are embedded within the concrete during the sleeper casting process, enhancing the overall durability and longevity of the railway tracks.

Q:What is the bending capacity of steel rebars?: The bending capacity of steel rebars refers to the maximum amount of stress or load that a rebar can withstand before it starts to bend or deform. This capacity is determined by various factors such as the diameter and grade of the rebar, as well as the specific application and design requirements.

Q:What is the carbon content of thread steel?: Steel is very commonly used in the construction industry, so the wire in the production is there are some matters needing attention, such as the carbon content in steel, this is a very important decision index of thread steel hardness, so the carbon content in the steel is very important.

Q:How do steel rebars prevent the concrete from cracking under tension?: Steel rebars prevent concrete from cracking under tension by providing reinforcement and increasing the structural integrity of the concrete. When concrete is subjected to tensile forces, it tends to crack due to its low tensile strength. However, when steel rebars are embedded within the concrete, they act as a reinforcement by absorbing and distributing the tensile forces. The steel rebars, which are typically made of high-strength steel, have a much higher tensile strength compared to concrete. This means that when the concrete is subjected to tension, the rebars bear most of the load, preventing the concrete from cracking. The rebars act as a framework or skeleton within the concrete, resisting the tensile forces and ensuring the structural stability of the concrete. Moreover, the bond between the steel rebar and the concrete also contributes to preventing cracking under tension. The ribbed or deformed surface of the rebars enhances the bond with the surrounding concrete, creating a strong connection. This bond allows the rebars to transfer the tensile forces to the concrete matrix more effectively, reducing the risk of cracking. By reinforcing the concrete, steel rebars help to distribute the tensile forces more evenly throughout the structure. This prevents localized stress concentrations and minimizes the chances of cracks forming. Additionally, the presence of rebars can also help control crack propagation if cracks do occur, as they act as barriers that restrict the cracks from spreading further. In summary, steel rebars prevent concrete from cracking under tension by providing reinforcement and increasing the overall strength of the concrete structure. They bear the tensile forces, distribute them evenly, and enhance the bond between the rebar and the concrete. This reinforcement ensures the structural integrity of the concrete and helps prevent cracking.

Q:Can steel rebars be used in architectural detailing?: Yes, steel rebars can be used in architectural detailing. Steel rebars are often used to reinforce concrete structures and provide additional strength and stability. In architectural detailing, rebars can be incorporated into the design to enhance the structural integrity of the building or to create unique and intricate patterns. Rebars can be bent, shaped, and placed in various configurations to achieve the desired architectural effect. Additionally, steel rebars are durable, resistant to corrosion, and readily available, making them a popular choice in architectural detailing.

Q:What are the different types of steel rebars used in underground constructions?: There are several types of steel rebars used in underground constructions, including epoxy-coated rebars, stainless steel rebars, and galvanized rebars. These different types of rebars offer various benefits such as increased corrosion resistance, improved durability, and enhanced structural strength, making them suitable for different underground applications.

Q:What is the process of deforming steel rebars for better adhesion with concrete?: The process of deforming steel rebars for better adhesion with concrete is known as ribbing or rib deformation. This process involves creating small ridges or raised patterns along the surface of the rebar, which enhances the bond between the concrete and the steel. The ribbing process is typically performed through a mechanical operation called cold rolling. Cold rolling is a metalworking process where the steel rebar is passed through a series of rollers, which exert pressure on the surface and cause plastic deformation. The rollers are designed with specific patterns or configurations that create the desired ribbing on the rebar. The purpose of ribbing is to increase the surface area of the rebar in contact with the concrete. The ridges or patterns created by the ribbing process provide additional points of adhesion for the concrete to grip onto, significantly improving the bond strength between the two materials. This enhanced bond is crucial for reinforcing concrete structures, as it helps to distribute loads and resist tensile forces. The ribbing process is commonly used in the construction industry for reinforcing concrete structures such as beams, columns, and slabs. The specific pattern and depth of the ribbing may vary depending on the project requirements and the type of rebar being used. Manufacturers often adhere to industry standards and guidelines to ensure the proper design and placement of ribbed rebars. In summary, the process of deforming steel rebars for better adhesion with concrete involves ribbing or creating ridges on the rebar's surface. This is achieved through cold rolling, where the rebar is passed through rollers designed with specific patterns. Ribbing increases the surface area and provides additional points of adhesion, improving the bond between the concrete and the rebar.

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