Hot Rolled BS4449 Standard Deformed Steel Rebars for Construction

Hot Rolled BS4449 Standard Deformed Steel Rebars for Construction System 1

Hot Rolled BS4449 Standard Deformed Steel Rebars for Construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

OKorder is offering Hot Rolled GB Standard Deformed Steel Rebars for Construction at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

Hot Rolled GB Standard Deformed Steel Rebars for Construction are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

1. Supporting members, most commonly in the house raising industry to strengthen timber bears under houses. Transmission line towers, etc

2. Prefabricated structure

3. Medium scale bridges

4. It is widely used in various building structures and engineering structures such as roof beams, bridges, transmission towers, hoisting machinery and transport machinery, ships, industrial furnaces, reaction tower, container frame and warehouse etc.

Product Advantages:

Hot Rolled GB Standard Deformed Steel Rebars for Construction are durable, strong, and resist corrosion.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Corrosion resistance

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

High Quality Hot Rolled Equal Angle Steel Bars for Strcuture are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

1. Supporting members, most commonly in the house raising industry to strengthen timber bears under houses. Transmission line towers, etc

2. Prefabricated structure

3. Medium scale bridges

Product Advantages:

High Quality Hot Rolled Equal Angle Steel Bars for Constrcution are durable, strong, and resist corrosion.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Corrosion resistance

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

Specifications of Hot Rolled GB Standard Deformed Steel Rebars for Construction:

Standard	GB UK USA	HRB335 HRB400 HRB500 G460B, B500A, B500B,B500C GR40, GR60
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length	6M, 9M,12M or as required
Packing	Export standard packing: wrapped by wire rod in bundles
Each bundle weight	2-3MT, or as required
Trade terms	FOB, CFR, CIF
Payment terms	TT payment in advance or Irrevocable LC at sight.
Delivery Detail	within 45 days after received advanced payment or LC.
Brand name	DRAGON

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

Diameter(mm)	Section area (mm²)	Mass(kg/m)	Weight of 12m (kg)	Pcs/ton
6	28.27	0.222	2.664	375.38
8	50.27	0.395	4.74	210.97
10	78.54	0.617	7.404	135.06
12	113.1	0.888	10.656	93.84
14	153.9	1.21	14.52	68.87
16	201.1	1.58	18.96	52.74
18	254.5	2.00	24	41.67
20	314.2	2.47	29.64	33.74
22	380.1	2.98	35.76	27.96
25	490.9	3.85	46.2	21.65
28	615.8	4.83	57.96	17.25
32	804.2	6.31	75.72	13.21
36	1018	7.99	98.88	10.43
40	1257	9.87	118.44	8.44
50	1964	15.42	185.04	5.40

Chemical Composition: (Please kindly find our chemistry of our material based on JIS as below for your information)

JISG3112 SD390	Chemical Composition
	C	Mn	Si	S	P
	0.22	1.38	0.4	0.014	0.022
	Physical capability
	Yield Strength(N/cm²)		Tensile Strength(N/cm²)		Elongation (%)
	620		≥400		21

Usage and Applications of Hot Rolled GB Standard Deformed Steel Rebars for Construction:

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 Hot Rolled GB Standard Deformed Steel Rebars for Construction:

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.

Price: Keep lower operating costs so as to offer competitive price for our clients

Deformed Steel Rebars according to Korean standard

Hot Rolled BS4449 Standard Deformed Steel Rebars for Construction

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: How do steel rebars affect the fire resistance of a structure?: Steel rebars can have both positive and negative effects on the fire resistance of a structure. On one hand, steel rebars can enhance the fire resistance of a structure by providing additional strength and stability. The presence of steel rebars in concrete structures can help prevent collapse during a fire, allowing more time for occupants to evacuate and emergency responders to control the situation. However, steel rebars also have some drawbacks when it comes to fire resistance. Steel is a highly conductive material, meaning it can transfer heat quickly. During a fire, the steel rebars can heat up and transfer the heat to the surrounding concrete, potentially weakening its structural integrity. This can result in a reduced fire resistance of the structure. To mitigate the negative effects of steel rebars on fire resistance, certain measures can be taken. One common approach is to apply fire-resistant coatings or wraps to the steel rebars. These coatings or wraps act as a barrier, slowing down the heat transfer from the steel to the concrete, thus enhancing the fire resistance. Additionally, the size, spacing, and arrangement of steel rebars can also impact the fire resistance of a structure. Proper design and placement of rebars can ensure that the heat is distributed more evenly, reducing the risk of localized weakening and structural failure. In summary, steel rebars can have a significant impact on the fire resistance of a structure. While they can enhance the overall strength and stability, they can also contribute to the heat transfer and potential weakening of the structure. By implementing appropriate measures such as fire-resistant coatings and proper design, the negative effects of steel rebars on fire resistance can be minimized, ensuring the safety and integrity of the structure during a fire.

Q: 14 screw steel 1 meters multiple?: The performance of classification (class), for example, China's current implementation of standards, (G B1499.2-2007) for steel wire for 1499.1-2008), according to the strength (tensile strength yield point / steel) will be divided into 3 levels; the Japanese industrial standard (JI SG3112), according to the comprehensive performance will be divided into thread steel 5 species; the British Standard (BS4461), also provides some level of performance test of thread steel. In addition, the thread steel can be classified according to the use, such as reinforced concrete, ordinary steel bars and reinforced concrete bars for heat treatment.

Q: Can steel rebars be used in industrial construction?: Yes, steel rebars can be used in industrial construction. They are commonly used as reinforcement in concrete structures to enhance their strength and durability in heavy-duty applications.

Q: How do steel rebars affect the constructability of a project?: Steel rebars play a vital role in enhancing project constructability in multiple ways. To start, they offer structural strength and stability to reinforced concrete structures. By reinforcing the concrete, rebars help distribute the load more evenly, thus increasing overall project strength and durability. Additionally, steel rebars facilitate the construction of larger and taller structures. They provide the necessary tensile strength to counteract concrete's weakness in resisting tension forces. This empowers engineers and architects to design and build structures with greater flexibility, leading to more innovative and impressive architectural designs. Furthermore, steel rebars contribute to project integrity and safety. They act as a reinforcement against external forces like earthquakes, wind loads, and impacts. By resisting these forces, they enhance structural stability, thus reducing the risk of collapse or damage during extreme conditions. Moreover, steel rebars contribute to project longevity and maintenance. Thanks to their high tensile strength and corrosion resistance, they help extend the structure's lifespan. This, in turn, reduces the need for frequent repairs and replacements, resulting in cost savings and minimal disruption to the project. Additionally, the use of steel rebars simplifies the construction process. They can be easily cut, bent, and shaped to fit specific requirements, making them highly adaptable to various project needs. This flexibility allows for efficient construction, reducing time and effort required for implementation. In conclusion, steel rebars have a significant impact on project constructability by providing strength, stability, flexibility, safety, longevity, and simplification. Their use enables the construction of resilient and visually appealing structures, guaranteeing project success and sustainability.

Q: How do steel rebars provide reinforcement in concrete structures?: Steel rebars provide reinforcement in concrete structures by adding strength and durability to the concrete. The rebars are embedded within the concrete, creating a bond that helps distribute and resist tensile forces. This reinforcement enhances the overall structural integrity, preventing cracking and increasing load-bearing capacity.

Q: How do steel rebars contribute to the fire resistance of concrete?: Concrete's fire resistance is enhanced by steel rebars in several ways. Firstly, steel rebars possess a non-combustible nature and a high melting point, ensuring they do not burn or add fuel to fires. This characteristic aids in preventing the spread of fire and maintaining the concrete's structural stability during fire incidents. Additionally, steel rebars act as reinforcement within the concrete, boosting its overall strength and load-bearing capacity. This reinforcement effectively prevents cracking or fragmentation of the concrete under high temperatures caused by fire. The presence of steel rebars also enhances the concrete's ductility, enabling it to deform and absorb energy during fires, rather than abruptly shattering or collapsing. Moreover, steel's thermal conductivity surpasses that of concrete, enabling it to effectively conduct heat away from the fire zone. This assists in dissipating heat and preventing it from reaching critical levels that could compromise the concrete's structural integrity. By absorbing and distributing heat, steel rebars contribute to slowing down the temperature rise within the concrete during fires. In conclusion, steel rebars contribute to concrete's fire resistance by providing structural stability, improving strength and load-bearing capacity, enhancing ductility, and dissipating heat. These attributes make concrete structures reinforced with steel rebars more resilient, enabling them to withstand fires for extended periods. As a result, the safety of occupants is increased, and potential property damage is reduced.

Q: Can steel rebars be used in concrete columns?: Yes, steel rebars can be used in concrete columns. In fact, steel rebars are commonly used as reinforcement in concrete structures, including columns. The primary purpose of using rebars in concrete columns is to enhance their strength and durability. The rebars are embedded within the concrete mixture, providing additional tensile strength to the structure. This helps to prevent cracking and failure of the columns under various loads and forces. The use of steel rebars in concrete columns is a widely accepted practice in the construction industry and is essential in ensuring the structural integrity and longevity of the columns.

Q: What are the different types of couplers used for connecting steel rebars?: There are several types of couplers used for connecting steel rebars, including mechanical couplers, welded couplers, and grouted couplers. Mechanical couplers utilize threaded or tapered designs to connect rebars, providing a strong and reliable joint. Welded couplers involve welding the rebars together, creating a permanent connection. Grouted couplers use a combination of grout and mechanical means to connect rebars, offering both load-bearing capacity and corrosion protection. The choice of coupler type depends on various factors such as project requirements, rebar diameter, and structural design.

Q: What are the advantages of using stainless steel rebars?: There are several advantages of using stainless steel rebars in construction projects. Firstly, stainless steel rebars have a high resistance to corrosion, making them ideal for use in structures exposed to harsh environments such as coastal or industrial areas. Unlike traditional carbon steel rebars, stainless steel rebars do not rust or corrode easily, ensuring the longevity and durability of the structure. Secondly, stainless steel rebars have a higher tensile strength compared to carbon steel rebars. This means that they can withstand greater stress and loads without deforming or breaking, resulting in a safer and more reliable structure. The high tensile strength also allows for the use of smaller rebars, saving construction costs and reducing the overall weight of the structure. Moreover, stainless steel rebars have excellent fire resistance properties. In the event of a fire, stainless steel maintains its strength and integrity much better than carbon steel, reducing the risk of structural collapse. This is particularly important in buildings with high fire safety requirements such as hospitals, schools, and high-rise structures. Another advantage of stainless steel rebars is their low maintenance requirements. Due to their resistance to corrosion, they do not require regular inspections or costly protective coatings, saving both time and money in maintenance efforts. Lastly, stainless steel rebars are highly sustainable and environmentally friendly. They are 100% recyclable, reducing the demand for new raw materials and minimizing waste in construction projects. Additionally, the long lifespan of stainless steel rebars reduces the need for frequent replacements, further reducing the environmental impact. In summary, the advantages of using stainless steel rebars include excellent corrosion resistance, high tensile strength, superior fire resistance, low maintenance requirements, and sustainability. These benefits make stainless steel rebars a preferred choice for construction projects that require durability, safety, and long-term value.

Q: What are the guidelines for repairing or replacing corroded steel rebars in existing structures?: The guidelines for repairing or replacing corroded steel rebars in existing structures typically involve the following steps: 1. Inspection: Thoroughly assess the extent of corrosion and determine the overall structural integrity of the rebars. 2. Cleaning: Remove loose rust, scale, and other contaminants from the rebars using suitable mechanical or chemical methods. 3. Surface preparation: Abrade the rebars to create a rough surface, ensuring proper adhesion of repair materials. 4. Repair options: Evaluate different repair methods such as patching, cathodic protection, or complete replacement, considering factors like the severity of corrosion, structural design, and cost-effectiveness. 5. Material selection: Choose appropriate repair materials such as epoxy-based coatings, corrosion inhibitors, or carbon fiber wraps based on the specific requirements and compatibility with the existing rebar and surrounding concrete. 6. Repair execution: Follow established industry practices, standards, and manufacturer's instructions while executing the repair work, ensuring proper application and curing of repair materials. 7. Quality control: Conduct regular inspections during and after the repair process to verify adherence to guidelines, assess the quality of workmanship, and ensure the long-term durability and safety of the repaired rebars. It is important to note that these guidelines may vary depending on local building codes, structural conditions, and the expertise of structural engineers or repair professionals involved. Therefore, it is recommended to consult with qualified professionals for specific guidelines tailored to the project at hand.

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