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 overall fire safety of concrete structures?: Steel rebars can have both positive and negative effects on the fire safety of concrete structures. On one hand, steel rebars help to enhance the structural integrity of concrete by providing reinforcement and preventing collapse during a fire. However, steel has a high thermal conductivity, which means it can transfer heat quickly, potentially accelerating fire spread and compromising the stability of the structure. To mitigate these risks, additional fire protection measures, such as fire-resistant coatings or enclosures, should be implemented to enhance the overall fire safety of concrete structures with steel rebars.

Q: Can steel rebars be used in foundation reinforcement?: Yes, steel rebars can be used in foundation reinforcement. Steel rebars are commonly used in construction to strengthen and reinforce concrete structures, including foundations. They provide increased strength and durability, helping to prevent cracking and structural failure.

Q: Can steel rebars be used in high-temperature applications?: No, steel rebars should not be used in high-temperature applications as they can lose their strength and structural integrity due to thermal expansion and potential oxidation.

Q: What is the role of steel rebars in reducing concrete shrinkage?: The reinforcement and added strength provided by steel rebars are crucial in minimizing concrete shrinkage. When concrete cures, it goes through hydration, a process in which it loses water and shrinks. This shrinkage has the potential to cause cracking and structural instability. By incorporating steel rebars into the concrete, they serve as reinforcement and help counteract shrinkage. These rebars offer tensile strength, which means they can resist pulling or stretching forces. As the concrete shrinks, the rebars hold it together and prevent excessive cracking. Moreover, steel rebars aid in distributing the load more evenly throughout the concrete structure. This reduces stress concentration in specific areas and further reduces the likelihood of shrinkage-related cracking. Additionally, steel rebars can act as thermal conductors, promoting even heat dissipation within the concrete. This prevents temperature differences within the structure, which can lead to differential shrinkage and subsequent cracking. To summarize, steel rebars play a vital role in reducing concrete shrinkage by providing reinforcement, resisting tensile forces, distributing loads, and regulating temperature differences. Consequently, they enhance the overall durability and stability of the concrete structure, minimizing the adverse effects of shrinkage.

Q: What is the impact of steel rebars on the constructability of a project?: Steel rebars have a significant impact on the constructability of a project. These reinforcement bars play a crucial role in strengthening and providing structural integrity to concrete structures. By incorporating steel rebars, the overall strength, durability, and resilience of a construction project are greatly improved. One of the key impacts of using steel rebars is the increased load-bearing capacity of the structure. Rebars are designed to withstand tension, which complements the concrete's ability to resist compression. This combination enhances the structural strength of the project, enabling it to withstand heavy loads and external forces, such as earthquakes or high winds. Moreover, steel rebars also enhance the ductility of the concrete structure. Ductility refers to the material's ability to deform without breaking. By adding rebars, the concrete becomes more flexible, allowing it to absorb energy and deform under stress before reaching its breaking point. This is particularly important in areas prone to seismic activities, as it helps prevent sudden and catastrophic failure of the structure. Another aspect of constructability impacted by steel rebars is the overall lifespan of the project. The corrosion resistance properties of rebars, especially when coated or galvanized, significantly extend the lifespan of the structure. This is particularly relevant in environments with high humidity, coastal areas, or regions with harsh weather conditions. By preventing corrosion and maintaining the integrity of the rebars, the entire project's longevity and durability are greatly enhanced. Additionally, steel rebars also facilitate the construction process itself. Their availability in various lengths, shapes, and sizes allows for flexible and efficient design and construction. Contractors can easily cut, bend, and shape rebars to fit specific project requirements, reducing construction time and costs. Moreover, rebars can be prefabricated off-site, minimizing on-site labor and simplifying the construction process. In conclusion, the impact of steel rebars on the constructability of a project is highly significant. They improve the overall strength, load-bearing capacity, ductility, and lifespan of the structure. Additionally, the flexibility and ease of use of steel rebars contribute to efficient construction practices. Therefore, incorporating steel rebars into a project is essential for ensuring its structural integrity and long-term success.

Q: What are the common grades of steel rebars?: The common grades of steel rebars include Grade 40, Grade 60, and Grade 75.

Q: Can steel rebars be used in structures with high resistance to moisture?: Yes, steel rebars can be used in structures with high resistance to moisture. Steel rebars are commonly used in reinforced concrete structures, including those that are exposed to moisture such as bridges, marine structures, and underground structures. However, it is important to use properly coated or corrosion-resistant steel rebars, and ensure proper concrete cover and waterproofing measures are implemented to protect against the potential corrosion caused by moisture.

Q: What are the factors to consider while designing with steel rebars?: There are several factors to consider while designing with steel rebars. 1. Strength and durability: The rebars should be selected based on the required strength and durability to withstand the anticipated loads and environmental conditions. 2. Size and shape: The size and shape of the rebars should be chosen to ensure proper placement, spacing, and anchorage within the concrete structure. 3. Corrosion resistance: The rebars should have adequate corrosion resistance, especially in environments where they may be exposed to moisture or chemicals. This can be achieved through proper material selection or by applying protective coatings. 4. Bond strength: The bond between the rebars and the concrete is crucial for transferring loads. The design should consider the factors that influence bond strength, such as surface roughness, bar diameter, and the use of proper concrete cover. 5. Construction constraints: The design should take into account any construction constraints, such as limitations in handling and placing the rebars, and ensure that the design is feasible and practical to implement. 6. Code compliance: Designing with steel rebars should adhere to relevant building codes and standards to ensure structural safety and regulatory compliance. By considering these factors, designers can create robust and reliable structures that effectively utilize the strength and versatility of steel rebars.

Q: How are steel rebars installed in concrete?: Steel rebars are installed in concrete by first placing them in the desired position and securing them with rebar supports or chairs. Then, the rebars are tied together using wire or rebar ties to ensure they are properly fixed and spaced apart. Finally, the concrete is poured over the rebars, covering them completely and providing structural reinforcement to the concrete.

Q: What is the purpose of using steel rebars in concrete structures?: The purpose of using steel rebars in concrete structures is to enhance the overall strength and durability of the structure. Concrete, while excellent in compression, is weak in tension. By incorporating steel rebars into the concrete, the structure is able to resist tensile forces and prevent cracking or failure. Steel rebars, which are typically made of carbon steel, are strong and have high tensile strength. They are placed within the concrete forms before pouring, creating a reinforced concrete structure. When subjected to tensile forces, the concrete transfers the load to the steel rebars, which can resist the pulling or stretching forces. This reinforcement helps to distribute the load more evenly, preventing localized stress points and reducing the risk of structural failure. In addition to providing tensile strength, steel rebars also help to control cracks in concrete structures. As concrete shrinks and expands due to temperature changes or drying, it is susceptible to cracking. The presence of steel rebars helps to limit the width and extent of these cracks, ensuring the structural integrity and longevity of the concrete. Furthermore, steel rebars can improve the resistance of concrete structures to seismic activity or other dynamic forces. The flexible nature of steel rebars allows them to absorb and dissipate energy during earthquakes or other vibrations, reducing the risk of collapse. Overall, the purpose of using steel rebars in concrete structures is to reinforce and strengthen the concrete, providing additional tensile strength, controlling cracks, and enhancing the overall durability and resilience of the structure.

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