GB STANDARD HIGH QUALITY HOT ROLLED REBAR

GB STANDARD HIGH QUALITY HOT ROLLED REBAR System 1

GB STANDARD HIGH QUALITY HOT ROLLED REBAR

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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

GB 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: How long do steel rebars last?: Steel rebars have a lifespan of approximately 50 to 100 years, depending on factors such as environmental conditions, maintenance, and quality of the steel.

Q: How do steel rebars contribute to the overall sustainability of the construction industry?: The construction industry benefits from steel rebars in several ways, which contribute to its overall sustainability. To begin with, the utilization of steel rebars improves the strength and longevity of concrete structures. This leads to reduced repair and replacement needs, resulting in less construction waste and a smaller environmental impact. Furthermore, steel rebars can be recycled and repurposed at the end of their life cycle. This not only decreases the demand for new steel production but also reduces energy consumption and greenhouse gas emissions associated with manufacturing. By embracing the circular economy, steel rebars help conserve natural resources and decrease the construction industry's carbon footprint. Moreover, incorporating steel rebars into concrete structures enhances their ability to withstand seismic activity and extreme weather conditions like hurricanes or earthquakes. This ensures the safety of occupants and minimizes the risk of infrastructure damage, thereby reducing the need for reconstruction and increasing overall resilience. Additionally, steel rebars can be engineered to optimize material usage and decrease the weight of structures. This leads to more efficient transportation and installation processes, resulting in lower fuel consumption and emissions related to transportation. Lastly, steel rebars offer flexibility in design and construction, enabling innovative and sustainable building solutions. They can easily be integrated into various construction methods, allowing for the use of sustainable techniques such as prefabrication or modular construction. This improves efficiency, reduces construction time, and minimizes disruption to the surrounding environment. In conclusion, steel rebars are essential for the sustainability of the construction industry. They enhance structure durability, promote recycling, reduce waste generation, conserve resources, improve safety, and enable innovative construction techniques. Their use contributes to the overall environmental, social, and economic sustainability of the industry, making them a vital component in sustainable construction practices.

Q: Are there any safety precautions to be followed while working with steel rebars?: Yes, there are several safety precautions to be followed while working with steel rebars. Some of these precautions include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against cuts, punctures, and eye injuries. It is important to handle rebars with care and avoid dragging or dropping them to prevent injuries. Workers should also be trained in safe lifting techniques and use mechanical aids if necessary to avoid strain or back injuries. Additionally, it is essential to maintain a clean and organized work area to prevent tripping hazards.

Q: How are steel rebars protected against damage from construction equipment?: Steel rebars are typically protected against damage from construction equipment through various measures, such as using plastic or rubber caps to cover the ends of rebars, using wooden or rubber mats to create a buffer between the equipment and the rebars, or implementing safety guidelines and protocols to ensure that equipment operators are cautious and avoid direct contact with the rebars. Additionally, rebars can also be pre-bent or pre-installed at a safe distance from the equipment's reach to minimize the risk of damage.

Q: What are the different methods of joining steel rebars?: There are several methods of joining steel rebars, each with its own advantages and disadvantages. Here are the most common methods: 1. Lap Splicing: This is the most common method of joining rebars. In lap splicing, two rebars are overlapped and tied together using wire or metal ties. This method is simple and cost-effective, but it requires longer lap lengths to achieve the required strength. 2. Mechanical Splicing: Mechanical splicing involves joining rebars using mechanical couplers or splices. These couplers are designed to provide a strong and reliable connection between the rebars. Mechanical splicing offers quicker installation and reduces the need for lap lengths. However, it may be more expensive than lap splicing. 3. Welding: Welding is another method of joining steel rebars. In this process, the rebars are heated and fused together using electric arcs or gas flames. Welding provides a strong and permanent connection, but it requires skilled labor and specialized equipment. It is commonly used in precast concrete applications. 4. Bolted Connections: Bolted connections involve using bolts and nuts to connect the rebars. This method provides a flexible and adjustable connection, making it suitable for certain applications. However, bolted connections require additional hardware and may not be as strong as other methods. 5. Adhesive Bonding: Adhesive bonding involves using epoxy or other adhesives to join rebars. The adhesive is applied to the rebars, and they are pressed together until the adhesive cures and forms a strong bond. Adhesive bonding offers a clean and aesthetically pleasing finish, but it may not be as strong as other methods and is more suitable for non-structural applications. It is important to note that the choice of joining method depends on factors such as the specific project requirements, structural design, and construction techniques. Consulting with structural engineers and following industry standards and codes is crucial to ensure the proper selection and implementation of the joining method for steel rebars.

Q: What is the maximum tensile force of 25 thread steel?: The specific parameters of common thread steel are:HRB335: yield strength: 335Mpa, tensile strength 445Mpa, elongation: 17%HRB400: yield strength: 400Mpa, tensile strength 540Mpa, elongation: 16%HRB500: yield strength: 500Mpa, tensile strength 630Mpa, elongation: 15%Ji'nan permanent thread steel tensile strength testing machine, Ji'nan permanent thread steel tensile test machine,

Q: How do steel rebars contribute to the strength of concrete?: Steel rebars contribute to the strength of concrete in several ways. Firstly, they enhance the tensile strength of concrete, which is otherwise relatively low. While concrete is excellent in compression, it is weak when it comes to resisting tension. This is where steel rebars come into play. By embedding them within the concrete, they provide additional strength and help prevent the formation and propagation of cracks. Secondly, steel rebars improve the bond between concrete and the reinforcement material. The ribbed surface of the rebars creates a better grip with the concrete, ensuring a stronger bond. This bond is crucial as it allows the concrete and steel to work together, distributing the loads and minimizing the risk of structural failure. Furthermore, steel rebars increase the overall durability and longevity of concrete structures. They resist corrosion, which is a significant concern in coastal or high humidity areas. The corrosion resistance of rebars ensures that the concrete remains structurally sound for a longer period, reducing maintenance costs and extending the lifespan of the structure. In addition to their strength-enhancing capabilities, steel rebars also contribute to the structural stability of concrete elements. They assist in reinforcing critical areas such as beams, columns, and foundations, where high loads and forces are present. By providing additional support and reinforcement, steel rebars help prevent excessive deflection, bending, or failure of these elements under heavy loads. In summary, steel rebars play a vital role in enhancing the strength of concrete structures by improving tensile strength, bond strength, durability, and overall structural stability. Their incorporation in concrete elements is essential for ensuring the longevity and safety of various construction projects.

Q: Can steel rebars be used in structures with high levels of chloride or sulfate attack?: No, steel rebars should not be used in structures with high levels of chloride or sulfate attack. Chloride attack occurs when chloride ions penetrate the concrete and react with the steel, causing corrosion. This can result in the degradation of the rebars and the overall structural integrity of the building. Similarly, sulfate attack occurs when sulfate ions react with the components of the concrete, leading to the formation of expansive compounds that cause cracking and deterioration. To prevent these types of attacks, alternative materials such as stainless steel rebars or corrosion-resistant alloys should be used in structures exposed to high levels of chloride or sulfate. These materials have a higher resistance to corrosion and can better withstand the aggressive chemical environment. Additionally, proper design and construction techniques, such as adequate concrete cover and the use of protective coatings, can also help mitigate the effects of chloride or sulfate attack. It is important to consult with structural engineers or corrosion specialists to determine the best approach for each specific project.

Q: Are steel rebars suitable for use in wastewater treatment plants?: Steel rebars are indeed a suitable option for utilization in wastewater treatment plants. The demanding and corrosive surroundings of these facilities often necessitate reinforced concrete structures. Fortunately, steel rebars, frequently employed for concrete reinforcement, provide the strength and durability required for such constructions. Their resistance to corrosion is particularly advantageous in wastewater treatment plants, where the presence of chemicals and corrosive elements is prevalent. Moreover, steel rebars offer exceptional tensile strength, guaranteeing that the concrete structures can endure substantial loads and pressures. All in all, steel rebars prove to be a dependable and suitable selection for incorporation in wastewater treatment plants, as they ensure the facility's longevity and structural integrity.

Q: How do steel rebars contribute to the overall energy efficiency of a structure?: Steel rebars contribute to the overall energy efficiency of a structure in several ways. Firstly, they enhance the durability and strength of the structure, allowing it to withstand external forces such as wind and earthquakes, reducing the likelihood of damage and subsequent energy-intensive repairs. Additionally, steel rebars provide thermal mass, which helps to regulate indoor temperatures by absorbing and releasing heat slowly, reducing the need for excessive heating or cooling. This thermal stability leads to reduced energy consumption for heating and cooling systems. Finally, the use of steel rebars in construction allows for longer spans and fewer support columns, maximizing natural light and ventilation, further reducing the reliance on artificial lighting and ventilation systems, thereby enhancing energy efficiency.

Send your message to us

*Email

*TEL

*Quantity

*Unit