Cold Rolled Steel Rebar 14mm

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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

Cold Rolled Techniques

Yield Point: 545-565mpa

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.

Q: Can steel rebars corrode or rust over time?: Yes, steel rebars can corrode or rust over time.

Q: What is the purpose of steel rebars?: The purpose of steel rebars is to reinforce concrete structures, providing strength and stability by counteracting tensile forces and preventing cracks or failure under pressure.

Q: How are steel rebars used in reinforcement cages?: Steel rebars are used in reinforcement cages to provide structural strength and stability to concrete structures. They are placed strategically within the cage to enhance the overall durability and load-bearing capacity of the reinforced concrete elements.

Q: What are the methods used for corrosion protection of steel rebars?: There are several methods used for corrosion protection of steel rebars. 1. Coating: One common method is to apply a protective coating on the surface of the steel rebar. This coating acts as a barrier, preventing moisture and oxygen from reaching the steel surface and causing corrosion. Coatings can be applied using various techniques such as hot-dip galvanizing, epoxy coatings, or fusion-bonded epoxy coatings. 2. Cathodic Protection: Another method is cathodic protection, which involves the use of sacrificial anodes or impressed current systems. Sacrificial anodes are made of a more reactive metal (such as zinc or magnesium) that corrodes over time instead of the steel rebar. This ensures that the steel remains protected. Impressed current systems use an external power source to provide a protective current to the steel rebar, preventing corrosion. 3. Concrete cover: A simple but effective method is to provide a sufficient concrete cover over the steel rebar. The concrete acts as a physical barrier, shielding the steel from the environment. The thickness of the concrete cover is critical and should be designed according to specific standards to ensure adequate protection. 4. Inhibitors: Corrosion inhibitors can be added to the concrete mix or applied on the surface of the steel rebar. These inhibitors work by reducing the corrosive effects of moisture and oxygen on the steel surface. They can be organic or inorganic compounds that form a protective layer on the steel, inhibiting the corrosion process. 5. Proper design and construction practices: Lastly, proper design and construction practices can greatly contribute to corrosion protection. This includes avoiding the use of dissimilar metals that can cause galvanic corrosion, ensuring proper drainage to prevent water accumulation, and taking measures to minimize exposure to corrosive environments. It is important to note that a combination of these methods is often used to provide optimal corrosion protection for steel rebars, depending on the specific project requirements and environmental conditions.

Q: What is the role of steel rebars in column and beam construction?: Steel rebars play a crucial role in column and beam construction as they provide reinforcement and strength to the structure. They are used to enhance the load-bearing capacity, resist tensile forces, and prevent cracking or failure due to external pressures. By reinforcing the concrete, rebars ensure stability, durability, and structural integrity, making them essential components in the construction of columns and beams.

Q: Can steel rebars be used in offshore oil and gas platforms?: Offshore oil and gas platforms can indeed utilize steel rebars. Steel rebars are widely employed in construction projects to fortify concrete structures, and offshore platforms are no exception. These platforms face diverse environmental and operational factors, including wave loads, wind forces, and seismic activities. By utilizing steel rebars, the structural integrity of the platforms can be bolstered, thereby enhancing overall stability. Nevertheless, it is of utmost importance to use corrosion-resistant steel rebars in offshore applications due to the harsh marine environment. The presence of saltwater, humidity, and exposure to chemicals can expedite the corrosion process. Hence, it is common practice to opt for stainless steel rebars or epoxy-coated rebars for offshore platforms, ensuring long-term durability and preventing corrosion-related complications. Moreover, it is imperative to adhere to pertinent industry standards and regulations when employing steel rebars in offshore oil and gas platforms. These standards stipulate specific requirements for material selection, fabrication, installation, and inspection, guaranteeing the safety and reliability of the structures. To sum up, steel rebars can effectively reinforce concrete structures and enhance the strength and stability of offshore oil and gas platforms. However, the selection of corrosion-resistant steel rebars and compliance with industry standards are crucial factors to withstand the demanding marine environment and maintain the platforms' long-term integrity.

Q: Are steel rebars magnetic?: Yes, steel rebars are magnetic as they are typically made from carbon steel, which is a ferromagnetic material.

Q: What is the role of steel rebars in the construction of wind turbine towers?: Steel rebars play a critical role in the construction of wind turbine towers as they provide structural reinforcement and stability. These rebars are strategically placed within the concrete tower to enhance its strength, durability, and resistance against the strong forces exerted by wind. By reinforcing the concrete, steel rebars ensure that the wind turbine tower can withstand the extreme conditions and vibrations, thereby ensuring the safety and longevity of the structure.

Q: Can steel rebars be used in cold storage construction?: Yes, steel rebars can be used in cold storage construction. Steel rebars are commonly used in the construction of cold storage facilities due to their strength, durability, and ability to withstand low temperatures. They provide structural reinforcement to the concrete walls, floors, and ceiling, ensuring the integrity and stability of the cold storage structure. Additionally, steel rebars are resistant to corrosion, which is important in maintaining the longevity of the cold storage facility in a low-temperature environment.

Q: Are steel rebars suitable for use in structures with high resistance to corrosion?: Structures with high resistance to corrosion should not use steel rebars. Although steel rebars are commonly used in construction because of their strength and durability, they can corrode when exposed to moisture and other corrosive elements. This corrosion can cause the rebars to deteriorate over time, compromising the entire structure's structural integrity. To ensure a high resistance to corrosion, it is recommended to use alternative materials such as stainless steel rebars or fiber-reinforced polymer (FRP) rebars. Stainless steel rebars contain a high percentage of chromium, which creates a protective oxide layer on the surface, preventing corrosion. On the other hand, FRP rebars are non-metallic and do not corrode, making them an excellent choice for structures in corrosive environments. When choosing the appropriate rebar material, it is crucial to consider the environmental conditions and the expected lifespan of the structure. By selecting rebars with a high resistance to corrosion, the structure's longevity and safety can be significantly improved.

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