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: Excuse me, the difference between round steel, screw steel, steel, plate material, steel wire, hope professional answer: Disk and rebar with rib, have all the same, basically can not see, rebar size is more than Phi 9, a lot of hardness than wire reinforced strong general, so the steel strip is usually linear, bluntly, steel disc is not up, disc. The size can be intercepted, so can be screwed up disc.

Q: Why is the threaded steel thread?: Steel is usually used for reinforced concrete, its role is to increase the friction of thread, the thread steel and concrete secant integrally formed together, tic phenomenon can not occur in the role of external force, improve the strength of concrete.

Q: How do steel rebars contribute to the load-bearing capacity of concrete slabs?: Steel rebars contribute to the load-bearing capacity of concrete slabs by providing reinforcement and increasing the overall strength and durability of the structure. As concrete is strong in compression but weak in tension, steel rebars are embedded within the concrete to counteract tension forces. The rebars absorb and distribute the tensile stresses, preventing the concrete from cracking or failing under heavy loads. This combination of concrete and steel rebars creates a reinforced structure that can bear more weight and withstand various external forces, ensuring the integrity and safety of the concrete slab.

Q: What are the advantages of using composite steel rebars?: There are several advantages to using composite steel rebars in construction projects. Firstly, composite steel rebars offer superior strength and durability compared to traditional rebars. The combination of steel and a fiber-reinforced polymer (FRP) composite material provides enhanced tensile strength, allowing for a more robust and resilient structure. This is particularly advantageous in areas with high seismic activity or extreme weather conditions, where the reinforcement needs to withstand significant forces. Secondly, composite steel rebars are highly corrosion-resistant. Steel rebars alone are prone to corrosion when exposed to moisture and chemicals, leading to structural degradation over time. The addition of a protective FRP composite layer effectively shields the steel from these corrosive elements, prolonging the lifespan of the reinforcement and reducing the need for frequent maintenance. Moreover, composite steel rebars offer a lightweight alternative to conventional steel reinforcement. The use of FRP composites significantly reduces the weight of the rebars while maintaining their structural integrity. This lightweight characteristic makes transportation and installation easier, reducing construction time and costs. Additionally, composite steel rebars provide excellent electrical and thermal insulation properties. Unlike traditional steel rebars, which are conductive, the FRP composite layer acts as an insulator, minimizing the risk of electrical hazards and preventing the transfer of heat. This is especially beneficial in structures where electrical or thermal conductivity needs to be controlled, such as in power plants or buildings with sensitive equipment. Lastly, composite steel rebars are environmentally friendly. The production of steel rebars typically requires a significant amount of energy and emits greenhouse gases. By utilizing FRP composites, the overall carbon footprint of the reinforcement is reduced, making it a more sustainable choice. In conclusion, the advantages of using composite steel rebars include enhanced strength, corrosion resistance, lightweight construction, electrical and thermal insulation, and environmental sustainability. These benefits make composite steel rebars a compelling choice for various construction applications.

Q: What is the role of steel rebars in bridge deck construction?: The construction of bridge decks relies heavily on steel rebars, which play a vital role in reinforcing the concrete. Their main purpose is to enhance the tensile strength of the concrete since it is naturally strong in compression but weak in tension. Bridge decks are subject to various loads, including the weight of vehicles, live loads, temperature changes, and vibrations from the environment. Insufficient tensile strength in the bridge deck can result in bending, cracking, or even collapse under these loads. By incorporating steel rebars into the concrete structure of the bridge deck, the tensile strength is significantly improved. These rebars are strategically placed throughout the concrete to effectively distribute loads and resist tension, preventing cracks and ensuring the overall structural integrity of the bridge. Aside from reinforcing the concrete, steel rebars also serve to control cracks caused by shrinkage or thermal expansion. When the concrete shrinks or expands, cracks can form, compromising the durability and stability of the bridge. However, the inclusion of rebars helps to regulate and limit the size and extent of these cracks, ensuring the long-term performance of the bridge. Moreover, steel rebars also assist in transferring loads between different components of the bridge, such as the bridge deck and the supporting piers or abutments. They facilitate the creation of a continuous load path, guaranteeing efficient transmission and distribution of loads throughout the bridge structure. To summarize, the presence of steel rebars is crucial in bridge deck construction as they provide the necessary tensile strength to the concrete. They enhance the structural integrity of the bridge, control cracks, and enable efficient load transfer, ultimately ensuring the safety and longevity of the bridge.

Q: Can steel rebars be used in sound barrier walls?: Yes, steel rebars can be used in sound barrier walls. Steel rebars provide structural strength and stability to the walls, making them suitable for withstanding external forces and vibrations. Additionally, the steel rebars help in reinforcing the concrete used in the walls, enhancing their durability and longevity.

Q: How are steel rebars stored to prevent damage?: Steel rebars are typically stored in an organized manner, either horizontally or vertically, to prevent damage. They are often placed on pallets or racks, ensuring they are off the ground to avoid contact with moisture. Additionally, rebars are often covered with tarps or protective materials to shield them from exposure to weather elements and potential rusting. Regular inspections are conducted to ensure rebars are not bent, twisted, or damaged, and any defective pieces are removed to maintain their structural integrity.

Q: How are steel rebars protected against corrosion in aggressive environments?: Steel rebars are protected against corrosion in aggressive environments through various methods. One common method is the use of protective coatings. These coatings can be applied to the surface of rebars to create a barrier between the steel and the corrosive elements in the environment. Examples of protective coatings include epoxy, zinc, and polyethylene coatings. In addition to coatings, steel rebars can also be protected through cathodic protection. This method involves connecting the rebar to a sacrificial anode, usually made of a more reactive metal such as zinc or magnesium. The anode corrodes instead of the rebar, effectively sacrificing itself to protect the steel from corrosion. Another method of protection is the use of corrosion inhibitors. These inhibitors can be added to the concrete mix or applied directly to the rebars. They work by reducing the corrosive potential of the environment or by forming a protective film on the surface of the rebar, preventing corrosion from occurring. Furthermore, proper design and construction practices can also contribute to the protection of steel rebars against corrosion. Adequate concrete cover can help create a physical barrier between the rebar and the aggressive environment, reducing the exposure of the steel to corrosive elements. Good drainage systems and the use of non-corrosive aggregates can also help minimize the exposure of rebars to moisture and other corrosive substances. Overall, a combination of protective coatings, cathodic protection, corrosion inhibitors, and proper design and construction practices are employed to ensure the protection of steel rebars against corrosion in aggressive environments. These measures help extend the lifespan of structures and maintain their structural integrity.

Q: Can steel rebars be used in railway bridge construction?: Yes, steel rebars can be used in railway bridge construction. Steel rebars are commonly used in the construction industry for reinforcing concrete structures, including bridges. Railway bridges often require a high level of strength and durability to support heavy loads and withstand the constant vibrations and stresses caused by passing trains. Steel rebars provide the necessary reinforcement to concrete structures, enhancing their load-bearing capacity and ensuring the bridge's long-term structural integrity. Additionally, steel rebars can be easily customized to meet the specific design requirements of railway bridges, making them a suitable choice for construction in this context.

Q: What is the process of galvanizing steel rebars?: The process of galvanizing steel rebars involves immersing them in a bath of molten zinc to create a protective coating. This coating helps to prevent corrosion and extends the lifespan of the rebars. The steel rebars are first cleaned and prepared by removing any impurities or mill scale. Then, they are dipped into the zinc bath, where the zinc bonds with the surface of the steel through a metallurgical reaction. Afterward, the rebars are withdrawn from the bath, excess zinc is removed, and they are allowed to cool and solidify. The resulting galvanized rebars are ready to be used in construction projects, providing increased durability and resistance to environmental factors.

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