BS STANDARD HIGH QUALITY HOT ROLLED REBAR

BS STANDARD HIGH QUALITY HOT ROLLED REBAR System 1

BS STANDARD HIGH QUALITY HOT ROLLED REBAR

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

Appearance: Black

Technique: Slitting hot rolled steel coil

Grade: Q235, Q195,A36 SS400 S235jr.St37-2

Standard: AISI,GB,DIN,ASTM,EN,JIS

Length: 6m, 9m, 12m or as your requirement.

Width: 10mm-1010mm

Thickness: 1.5mm-20mm

Business type: big manufacture

Place of origin: Tianjin China (Mainland)

Packaging Details: In bundles for exporting and sea worthy

Delivery Detail: Within 15-35 days after receiving L/C or deposite T/T

BS STANDARD HIGH QUALITY HOT ROLLED REBAR

General specification as below:

Flat Bar Specification
Width (mm)	Thickness (mm)	Length (m)	Theoretical Weight (kg/m)
20	2.0	6/9/12	0.31
20	2.5	6/9/12	0.39
20	2.75	6/9/12	0.43
25	2.5	6/9/12	0.49
25	3.75	6/9/12	0.74
30	2.5	6/9/12	0.59
30	3.5	6/9/12	0.82
30	9.75	6/9/12	2.30
40	3.5	6/9/12	1.10
40	4.75	6/9/12	1.50
40	11.75	6/9/12	3.69
50	2.75	6/9/12	1.08
50	4.5	6/9/12	1.77
50	9.75	6/9/12	3.83
60	5.5	6/9/12	2.60
60	7.5	6/9/12	3.53
60	11.5	6/9/12	5.42
80	5.5	6/9/12	3.45
80	7.5	6/9/12	4.71
80	11.75	6/9/12	7.38
100	3.25	6/9/12	2.55
100	4.75	6/9/12	3.73
100	7.5	6/9/12	5.89
120	9.75	6/9/12	9.18
120	11.75	6/9/12	11.07
150	9.75	6/9/12	11.48
150	11.5	6/9/12	13.54
150	13.5	6/9/12	15.90
160	11.75	6/9/12	14.76
200	9.5	6/9/12	14.92
250	5.75	6/9/12	11.28
340	7.75	6/9/12	20.68

Products Advantages

1. high quality competitive price and Accurate in size

2. high dimensional accuracy

3. Guaranteed raw material

4.high utilization rate of material

5.convenient in construction, saving much time and labor

6. high mechanical strength

Application: Widely used for construction, Ship building, Machinery manufacturing ,steel structure,agriculture and steel grating.

Q: Are steel rebars suitable for use in structures with high impact resistance requirements?: Yes, steel rebars are suitable for use in structures with high impact resistance requirements. Steel rebars are known for their high tensile strength and durability, making them ideal for reinforcing concrete structures that need to withstand heavy impacts. They provide additional strength and stability to the construction, ensuring the structure can withstand various external forces and impacts without compromising its integrity.

Q: How are steel rebars measured and cut on construction sites?: Steel rebars are typically measured and cut on construction sites using measuring tapes, chalk lines, and portable cutting tools such as rebar cutters or angle grinders. The rebars are accurately measured according to the required dimensions, marked with chalk lines, and then cut using the appropriate cutting tool to ensure precise lengths and shapes for construction purposes.

Q: How do steel rebars affect the overall fire resistance of concrete structures?: Steel rebars have a significant impact on the overall fire resistance of concrete structures. Steel rebars, also known as reinforcement bars, are used in concrete structures to provide strength and stability. When exposed to fire, the behavior of steel rebars can either enhance or compromise the fire resistance of the concrete structure. The addition of steel rebars in concrete has a favorable effect on the fire resistance of the structure. The high thermal conductivity of steel helps to dissipate the heat generated during a fire, preventing localized overheating and reducing the risk of structural failure. This dispersal of heat through the steel rebars slows down the rate of temperature rise in the concrete, providing additional time for evacuation and firefighting efforts. Moreover, the presence of steel rebars also helps to maintain the structural integrity of the concrete during a fire. Concrete has low tensile strength, and when exposed to high temperatures, it tends to crack and spall. However, the presence of steel rebars helps to mitigate this problem. The rebars act as reinforcement, holding the concrete together and preventing it from falling apart under the influence of heat. However, it is important to note that steel rebars can also have a negative impact on fire resistance if not properly designed or protected. If the size and spacing of the rebars are inadequate, it can result in a rapid transfer of heat through the concrete, leading to premature failure. Additionally, if the rebars are not adequately protected with fire-resistant materials, they can lose their strength and integrity, further compromising the overall fire resistance of the structure. To ensure optimal fire resistance, designers and engineers take into account various factors such as the size, spacing, and coating of the steel rebars, as well as the concrete cover thickness. Additionally, fireproofing measures such as the use of intumescent coatings, fire-resistant insulation, and fireproof claddings can be employed to enhance the fire resistance of steel rebars and the overall concrete structure. In conclusion, steel rebars play a crucial role in the fire resistance of concrete structures. When appropriately designed and protected, they can enhance the fire resistance by dissipating heat and maintaining structural integrity. However, inadequate design or lack of protection can compromise the fire resistance. Therefore, it is essential to follow proper design guidelines and implement appropriate fireproofing measures to ensure the overall fire safety of concrete structures.

Q: What are the precautions to be taken while welding steel rebars?: When welding steel rebars, there are several precautions that need to be taken. First and foremost, it is crucial to wear appropriate personal protective equipment such as a welding helmet, gloves, and a protective apron to shield against sparks, heat, and UV radiation. Additionally, proper ventilation in the work area is necessary to prevent the accumulation of harmful fumes and gases. It is important to ensure that the rebar is clean and free from any contaminants or coatings that could affect the quality of the weld. Welding should only be performed by trained and qualified individuals who understand the specific techniques and settings required for welding rebars. Finally, regular inspections of the welds should be conducted to ensure their integrity and strength.

Q: What is the role of steel rebars in reinforced concrete beams?: The role of steel rebars in reinforced concrete beams is to provide tensile strength and reinforcement to the structure. While concrete is strong in compression, it is weak in tension. By adding steel rebars to the concrete, it enhances its resistance to bending and cracking under load. The rebars act as a skeleton or framework within the concrete, distributing and transferring the applied forces, such as gravity or external loads, more effectively. This combination of concrete and steel rebars creates a durable and reliable composite material that can handle greater loads and maintain structural integrity.

Q: Are there any specific guidelines for storing steel rebars on-site?: Yes, there are specific guidelines for storing steel rebars on-site. Here are some key guidelines to consider: 1. Rebars should be stored on a flat, level surface to prevent distortion or bending. If the ground is not level, use wooden pallets or metal racks to create a stable storage area. 2. Ensure that the storage area is clean and free from any debris that could damage the rebars. Avoid storing rebars directly on the ground or in areas prone to water accumulation. 3. Proper stacking is important to prevent rebars from toppling over. Stack rebars in an orderly manner, making sure to align them vertically and horizontally. Use spacers or separators to maintain adequate spacing between the rebars and prevent them from touching each other. 4. If rebars are stored outdoors, cover them with a waterproof tarp or plastic sheeting to protect them from rain, snow, and moisture. This will help prevent rust and corrosion. 5. If rebars are stored indoors, ensure that the storage area has proper ventilation to prevent moisture buildup. This is particularly important to prevent rusting in humid environments. 6. Rebars should be stored away from any potential sources of damage, such as heavy machinery, construction equipment, or areas with high traffic. This will minimize the risk of accidental damage during construction activities. 7. Regularly inspect the rebars for any signs of damage, rust, or corrosion. If any rebars are found to be damaged, they should be removed from storage and replaced to ensure structural integrity in the construction project. Following these guidelines will help ensure that steel rebars are stored safely and maintain their structural integrity for use in construction projects.

Q: Are there any specific guidelines for storing and handling steel rebars?: Specific guidelines exist for the storage and handling of steel rebars. Take note of the following essential points: 1. Storage: To prevent corrosion, it is necessary to store steel rebars in an area that is clean, dry, and well-ventilated. Place them on timber or other suitable materials to keep them elevated and away from moisture. 2. Handling: Exercise caution when handling steel rebars to avoid any damage or bending. It is advised to use appropriate equipment like cranes, forklifts, or sturdy hooks for lifting and moving rebars. Dragging or dropping them should be avoided as it may cause deformations and compromise their structural integrity. 3. Bundling: Properly bundle and secure rebars together using steel wires or straps to prevent rolling or shifting during storage or transportation. This ensures stability and reduces the risk of accidents. 4. Separation: Keep different sizes and types of rebars separate and clearly labeled to prevent confusion during construction. This facilitates easy identification and utilization of the required rebar according to the structural plans. 5. Protection: Guard rebars against exposure to moisture, rain, snow, and other weather elements. When storing rebars outdoors, utilize waterproof covers or tarps to shield them and prevent the formation of rust. 6. Inspection: Regular inspections should be conducted to identify signs of corrosion, damage, or bending. Any defective or compromised rebars must be promptly removed and replaced to maintain the structural integrity of the construction project. 7. Transportation: During transportation, ensure that rebars are securely fastened and loaded onto appropriate vehicles to prevent movement or falling off. Employ sufficient padding and tie-downs to protect rebars from damage and ensure safe transportation. Adhering to these guidelines is crucial in upholding the quality, durability, and safety of steel rebars throughout their storage and handling process.

Q: How do steel rebars comply with building codes and regulations?: Steel rebars comply with building codes and regulations by meeting specific requirements outlined in these codes. These requirements include the dimensions, strength, and quality of the rebars, as well as their placement and spacing within the concrete structures. Compliance is ensured through rigorous testing and certification processes, ensuring that the rebars meet the necessary standards for safety and structural integrity in construction projects.

Q: How do steel rebars affect the overall fire rating of a building?: Steel rebars can have a positive impact on the overall fire rating of a building. By reinforcing concrete structures, rebars can help enhance the fire resistance of the building. Steel has high melting and ignition temperatures, which means it can withstand heat and maintain its structural integrity for longer periods during a fire. This additional durability provided by rebars can help prevent structural collapse, allowing occupants more time to evacuate safely and aiding firefighters in their efforts to suppress the fire.

Q: How do steel rebars affect the shrinkage and creep behavior of concrete?: Steel rebars can significantly affect the shrinkage and creep behavior of concrete by providing reinforcement and reducing the overall cracking potential. The presence of rebars helps to distribute the tensile stress induced during drying shrinkage, thereby minimizing the development of cracks. Additionally, rebars can restrain the movement of concrete, reducing the creep deformation and improving the long-term stability of the structure.

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