Hot Rolled Deformed Steel Rebars for Buildings ASTM Standard

Hot Rolled Deformed Steel Rebars for Buildings ASTM Standard System 1

Hot Rolled Deformed Steel Rebars for Buildings ASTM Standard

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Loading Port:: Guangzhou

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 Deformed Steel Rebars for Buildings ASTM Standard 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 Deformed Steel Rebars for Buildings ASTM Standard 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 Deformed Steel Rebars for Buildings ASTM Standard are durable, strong, and resist corrosion. And they are made of steel billets of high quality of China.

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 Specifications:

Specifications of Hot Rolled Deformed Steel Rebars for Buildings ASTM Standard:

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

The production process of Steel Rebar

1-Waling beam furnace 2-Roughing rolling group 3-Intermediate rolling train

4-Finishing rolling group 5-Water-cooling device 6-Walking beam cooler

7-Finishing equipment(including the cold scale shear,short feet collection system,

automatic counting device,bundling machine, collect bench)

Usage and Applications of Hot Rolled Deformed Steel Rebars for Buildings ASTM Standard:

Hot Rolled Deformed Steel Rebars for Buildings GB Standard 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 Deformed Steel Rebars for Buildings ASTM Standard:

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 Deformed Steel Rebars for Buildings ASTM Standard

FAQ:

Q1: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q2: Why buy Deformed Steel Rebars for Buildings ASTM Standard from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q: How do steel rebars affect the overall workability of concrete?: Concrete's overall workability is significantly improved by steel rebars. Workability refers to how easily concrete can be mixed, placed, compacted, and finished to achieve the desired shape and surface. The incorporation of steel rebars into concrete provides reinforcement and enhances its structural strength. These rebars act as a skeleton within the concrete matrix and evenly distribute loads and stresses throughout the structure. This reinforcement prevents cracking, improves structural integrity, and increases the concrete's load-bearing capacity. Steel rebars also aid in controlling shrinkage and cracking in concrete. During the curing process, concrete tends to shrink, leading to crack formation. However, the presence of rebars counteracts the tensile forces causing shrinkage and cracking, thus enhancing the concrete's overall durability. In addition to their structural benefits, steel rebars also facilitate concrete workability during construction. They guide proper concrete placement and prevent mix segregation or separation. These rebars ensure proper compaction, eliminating potential voids or air pockets and resulting in a more uniform mixture. Furthermore, steel rebars provide stability and support to concrete during curing and hardening stages. They prevent deformation or sagging of fresh concrete, ensuring it maintains its desired shape and form. This is particularly crucial for complex or intricate structures requiring precise shaping and positioning. Overall, the inclusion of steel rebars positively impacts concrete workability by enhancing structural strength, mitigating shrinkage and cracking, facilitating proper placement and compaction, and providing stability during the curing process. The combination of concrete and steel rebars creates a durable and reliable construction material capable of withstanding various loads and environmental conditions.

Q: Can steel rebars be used in the construction of sports facilities?: Yes, steel rebars can be commonly used in the construction of sports facilities. Steel rebars provide reinforcement and strength to concrete structures, making them suitable for the construction of sports facilities such as stadiums, arenas, and gymnasiums. They help improve the structural integrity and durability of these facilities, ensuring they can withstand heavy loads, vibrations, and impacts, which are often encountered during sports events.

Q: How do steel rebars help in distributing load in a structure?: Steel rebars, also known as reinforcement bars, play a crucial role in distributing load in a structure. They are primarily used in reinforced concrete structures to enhance their strength and durability. Rebars are placed strategically within the concrete to counteract the tensile forces that the structure may encounter. Concrete, while strong in compression, is weak in tension. When a load is applied to a structure, such as a building or a bridge, it creates tensile forces that can cause the concrete to crack and fail. By incorporating steel rebars into the concrete, these tensile forces are effectively distributed and transferred to the rebars, preventing the structure from experiencing excessive deflection or collapse. The presence of steel rebars within the concrete creates a composite material that combines the compressive strength of concrete with the high tensile strength of steel. As a result, the structure becomes capable of withstanding a wide range of loads, including dead loads (the weight of the structure itself), live loads (such as occupants or furniture), and environmental loads (like wind or earthquakes). Additionally, rebars also help to control and minimize the propagation of cracks within the concrete. When a crack forms under load, the rebars act as a barrier, preventing the crack from spreading further and compromising the integrity of the structure. This inhibits the development of larger cracks, which could potentially lead to structural failure. Moreover, steel rebars provide stability and reinforcement at critical locations within the structure, such as corners, joints, and areas prone to high stress. By reinforcing these vulnerable areas, the rebars ensure that the load is evenly distributed throughout the structure, reducing the risk of localized failures. In summary, steel rebars are essential in distributing load in a structure by absorbing tensile forces, enhancing the strength of concrete, preventing cracks from propagating, and providing reinforcement at critical locations. They significantly contribute to the overall structural integrity and safety, making them a vital component in construction projects.

Q: What is the recommended spacing between inclined steel rebars in slabs?: The recommended spacing between inclined steel rebars in slabs varies depending on the specific design requirements and load conditions. However, in general, a spacing of around 2 to 3 times the diameter of the rebar is often recommended to ensure proper reinforcement and structural integrity. It is important to consult with structural engineers or refer to local building codes for precise guidelines applicable to the specific construction project.

Q: What is the role of lap splicing in steel rebars?: The role of lap splicing in steel rebars is to provide continuity and strength to the reinforcement system. It involves overlapping two rebars and connecting them securely to transfer loads effectively in reinforced concrete structures. Lap splicing is essential for maintaining the structural integrity and distributing the tensile forces evenly throughout the reinforced concrete elements, ensuring their durability and safety.

Q: Can steel rebars be used in other applications besides construction?: Yes, steel rebars can be used in other applications besides construction. They are commonly utilized in various industries such as automotive, manufacturing, and infrastructure projects, where their high strength and durability make them suitable for reinforcement purposes. Additionally, steel rebars can also be employed in sculptures, art installations, and DIY projects due to their malleability and versatility.

Q: How are steel rebars installed in foundations?: Steel rebars are installed in foundations by first determining the required spacing and size of rebars based on the structural design. After excavation and leveling of the foundation, rebars are placed in the designated positions and secured with tie wires or spacers to maintain proper spacing. Concrete is then poured over the rebars, encasing them and providing structural strength to the foundation.

Q: How do steel rebars prevent concrete structures from collapsing?: Reinforcement and strength are provided to concrete structures by steel rebars, which prevent their collapse. Concrete is capable of withstanding forces that compress or squeeze it, making it a strong material. However, it is not able to withstand forces that pull it apart, resulting in weakness in tension. When subjected to tension, concrete may crack and ultimately fail. To counteract these tensile forces and offer additional strength, reinforcement bars, also known as steel rebars, are typically embedded within concrete structures. These rebars are made of high-strength steel and are strategically placed to resist the pulling forces. When external forces, such as wind or seismic activity, impact a concrete structure, the rebars assist in distributing the load and resisting tension. As the concrete attempts to separate, the rebars hold it together, preventing the propagation of cracks and maintaining the structure's integrity. Additionally, the rebars enhance the overall durability and lifespan of the concrete structure. By reinforcing the concrete, they mitigate the effects of shrinkage and thermal expansion, which can lead to cracks over time. Consequently, a more stable and resilient structure is achieved, capable of withstanding various environmental and structural stresses. In conclusion, steel rebars are crucial in averting the collapse of concrete structures, as they provide the necessary reinforcement and strength to resist tension. They elevate the structural integrity, durability, and safety of concrete structures, ensuring their ability to withstand demands and fulfill their intended purpose for extended periods.

Q: What are the safety measures to consider while handling steel rebars?: To minimize the risk of accidents or injuries when working with steel rebars, it is important to consider several safety measures: 1. Personal Protective Equipment (PPE): Always wear the necessary PPE, such as safety glasses, steel-toe boots, gloves, and a hard hat. These items will protect you from potential hazards like falling rebars, sharp edges, or flying debris. 2. Proper Lifting Techniques: Use proper lifting techniques to avoid straining your back or causing injury. Bend your knees, keep your back straight, and lift with your leg muscles instead of your back. 3. Secure Storage: Store steel rebars in a secure and organized manner to prevent them from falling or rolling onto someone. Stack them stably and use support structures if needed. 4. Communication and Signage: Maintain clear communication among workers involved in rebars handling. Use hand signals or verbal cues to prevent accidents. Additionally, place safety signs or warning labels in the area to indicate potential hazards or restricted access. 5. Appropriate Tools and Equipment: Use tools and equipment specifically designed for handling steel rebars. This may include lifting clamps, rebars benders, or cutting tools. Regularly inspect and maintain these tools to ensure proper functioning. 6. Inspection and Removal of Defective Rebars: Before using steel rebars, inspect them for defects such as cracks, rust, or damage. Remove and replace any defective rebars to ensure the structural integrity. 7. Secure Work Area: Keep the work area clean and free from clutter to prevent tripping hazards and allow for easy maneuvering. Ensure sufficient lighting and remove any obstacles or potential hazards. 8. Training and Supervision: Provide proper training to workers involved in rebars handling, ensuring they are aware of safety protocols and best practices. Regularly supervise their work to identify unsafe practices and provide guidance or corrective actions. By following these safety measures, the risk of accidents and injuries when handling steel rebars can be significantly reduced, resulting in a safer work environment.

Q: How are steel rebars protected against chemical corrosion?: Steel rebars are protected against chemical corrosion through various methods such as applying protective coatings, galvanizing, or using corrosion-resistant alloys. These measures create a barrier between the rebar and corrosive elements, preventing them from coming into direct contact and causing corrosion.

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