High Quality Reinforcing Steel Rebars System 1

High Quality Reinforcing Steel Rebars

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Product Description:

OKorder is offering High Quality Reinforcing Steel Rebars 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 African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

High Quality Reinforcing Steel Rebars are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

Product Advantages:

OKorder's High Quality Reinforcing Steel Rebars are durable, strong, and wide variety of sizes.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

Manufacture: Hot rolled

Grade: HRB335,HRB400,HRB500

Size: 6mm-32mm

Certificates: ISO, SGS, BV, CIQ

Length: 6m – 12m, as per customer request

Packaging: Export packing, nude packing, bundled

DEFORMED BAR
SIZE d(mm)	theoretical kg/m
6	0.222
8	0.395
10	0.617
12	0.888
14	1.21
16	1.58
18	2
20	2.47
22	2.98
25	3.85
28	4.83
32	6.31

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P	V
HRB400	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	0.04-0.12
	Physics capability
	Yield Strength(N/cm2)		Tensile Strength(N/cm2)		Elongation (%)
	≥400		≥570		≥14

FAQ:

Q1: Why buy Materials & Equipment 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.

Q2: 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.

Q3: How many tons of steel products could be loaded in containers?

A3: Usually the steel products are delivered by bulk vessel because of the large quantity and the freight. However, there are no bulk vessel enter some seaports so that we have to deliver the cargo by containers. The 6m steel product can be loaded in 20FT container, but the quantity is changed according to the size, usually from 18tons to 25tons.

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High Quality Reinforcing Steel Rebars

Q:What is the impact of steel rebars on the overall acoustic performance of a structure?: Steel rebars have a minimal impact on the overall acoustic performance of a structure. While they may slightly affect sound transmission through vibration, the primary factor influencing acoustic performance is the building's overall design, materials used for walls, floors, and ceilings, as well as the presence of acoustic barriers or sound-absorbing materials.

Q:What are the common types of steel rebars used in bridge construction?: In bridge construction, there are several common types of steel rebars that are widely used. These include: 1. Carbon Steel Rebars: These are the most commonly used rebars in bridge construction. They are made of carbon steel and have high strength and durability. Carbon steel rebars are known for their excellent tensile strength and ability to withstand heavy loads. 2. Stainless Steel Rebars: Stainless steel rebars are corrosion-resistant and have a high resistance to environmental factors such as moisture and chemicals. They are commonly used in bridge construction projects located in coastal areas or environments with high levels of pollution. 3. Epoxy-Coated Rebars: Epoxy-coated rebars are carbon steel rebars that are coated with a layer of epoxy to provide corrosion protection. This type of rebar is commonly used in bridges exposed to harsh environmental conditions, such as bridges located in coastal areas or those subjected to de-icing salts. 4. Galvanized Rebars: Galvanized rebars are carbon steel rebars that have been coated with a layer of zinc. This coating provides excellent corrosion resistance, making galvanized rebars suitable for use in bridge construction projects located in corrosive environments. 5. Fiberglass Rebars: Fiberglass rebars are made of glass fibers embedded in a polymer resin matrix. This type of rebar is lightweight, corrosion-resistant, and has a high strength-to-weight ratio. Fiberglass rebars are commonly used in bridge construction projects where weight reduction is a key consideration. Each type of rebar has its advantages and is selected based on the specific requirements of the bridge construction project, including factors such as the environmental conditions, load-bearing capabilities, and durability requirements.

Q:Are steel rebars fire resistant?: Steel rebars are generally considered to possess fire resistance. Steel, as a material, cannot burn or contribute to the spread of fire because it is incombustible. When exposed to fire, steel rebars can endure high temperatures for a prolonged duration without compromising their structural integrity. This ability is attributed to the high melting point of steel, which stands at approximately 1370 degrees Celsius (2500 degrees Fahrenheit). Moreover, during construction, steel rebars are often encased in concrete, which adds an extra layer of protection against fire. However, it is important to note that under extremely intense and long-lasting fire conditions, steel may gradually weaken and lose its ability to bear loads. Hence, fire protection measures like the application of fire-resistant coatings or fireproofing materials are sometimes implemented to further enhance the fire resistance of steel structures.

Q:What is the average weight of a steel rebar?: The average weight of a steel rebar can vary depending on its size and length. However, a common average weight for a typical steel rebar is around 0.75 pounds per foot.

Q:How do steel rebars improve the strength and durability of concrete?: The strength and durability of concrete are greatly improved by steel rebars in several ways. Firstly, the inclusion of rebars reinforces the concrete structure, significantly increasing its tensile strength. While concrete is adept at resisting compression forces, it is weaker in tension. By embedding steel rebars within the concrete, the structure's ability to resist bending, cracking, and collapsing under heavy loads or external forces is greatly enhanced. Secondly, the presence of steel rebars prevents the occurrence of cracking and shrinkage in the concrete. As concrete dries and cures, it tends to shrink, leading to the formation of cracks. However, rebars help control and restrict this shrinkage by providing additional support and structural integrity. This effectively reduces the occurrence of cracks and ensures the long-term strength and durability of the concrete. Furthermore, the overall structural stability of the concrete is improved by steel rebars. When subjected to dynamic loads or seismic activity, concrete can undergo significant deformation or even fail. The inclusion of rebars helps distribute the load more evenly throughout the concrete structure, minimizing the risk of localized damage or collapse. This ultimately enhances the stability and safety of the concrete construction. Lastly, steel rebars contribute to the longevity and durability of concrete structures. The steel used in rebars is highly resistant to corrosion, which is a common issue in concrete exposed to harsh environmental conditions or moisture. By providing a protective layer called passivation, rebars prevent corrosion and maintain the structural integrity of the concrete over an extended period. This ensures that the concrete remains strong, durable, and resistant to degradation throughout its lifespan. In conclusion, steel rebars play a critical role in enhancing the strength and durability of concrete. They improve tensile strength, prevent cracking and shrinkage, enhance structural stability, and increase the lifespan of concrete structures. With the inclusion of steel rebars, concrete becomes a dependable and long-lasting construction material capable of withstanding various loads and environmental conditions.

Q:What are the different types of steel rebars used in underground constructions?: Underground constructions commonly employ various types of steel rebars, each serving a specific purpose. These rebars fortify concrete structures, enhancing their durability and strength. 1. Carbon Steel Rebars: The most prevalent kind of rebar used underground is carbon steel rebars. They boast high tensile strength due to their composition of carbon steel, rendering them suitable for diverse applications. 2. Epoxy-Coated Rebars: Carbon steel rebars receive an epoxy coating, transforming them into epoxy-coated rebars. This protective layer makes them resistant to corrosion, rendering them ideal for underground constructions where moisture and chemicals are present. 3. Stainless Steel Rebars: Stainless steel rebars offer exceptional resistance to corrosion and possess excellent strength properties. They are commonly employed in underground constructions that anticipate extreme environmental conditions, such as high humidity or exposure to saltwater. 4. Galvanized Rebars: Carbon steel rebars undergo a zinc coating process, resulting in galvanized rebars. This coating enhances their corrosion resistance, making them suitable for underground constructions situated in areas with elevated moisture levels or exposure to chemicals. 5. Fiberglass Rebars: Fiberglass rebars consist of glass fibers embedded within a resin matrix. They are lightweight, corrosion-resistant, and possess high tensile strength. Fiberglass rebars are frequently utilized in underground constructions that necessitate non-magnetic properties, such as proximity to sensitive equipment or areas susceptible to electromagnetic interference. The selection of a specific type of steel rebar for an underground construction project is based on its unique advantages and the project's specific requirements. Factors such as environmental conditions, load-bearing capacity, and anticipated lifespan are carefully considered when determining the appropriate steel rebar for a particular application.

Q:Excuse me, Shagang steel steel, what is the sign of: The two is the performance of classification (class), for example, China's current implementation of standards, (G B1499.2-2007) for steel wire for 1499.1-2008), according to the strength (tensile strength yield point / steel) will be divided into 3 levels; the Japanese industrial standard (JI SG3112), according to the comprehensive performance of the steel branch for the 5 species; the British Standard (BS4461), also provides some level of performance test of thread steel. In addition, the thread steel can be classified according to the use, such as reinforced concrete, ordinary steel bars and reinforced concrete bars for heat treatment.

Q:How do steel rebars prevent concrete structures from spalling?: Steel rebars prevent concrete structures from spalling by providing reinforcement and increasing the overall strength of the concrete. Spalling refers to the cracking and breaking off of the concrete surface, usually due to the expansion of internal pressure from various external factors such as temperature changes, moisture, or structural loads. When steel rebars are embedded within the concrete, they act as a support system that helps distribute the applied loads more evenly throughout the structure. This reinforcement prevents localized stress concentrations, which can lead to spalling, by absorbing and dissipating the load. By reinforcing the concrete, rebars enhance its tensile strength and improve its ability to withstand external forces. Moreover, steel rebars also help to control the formation of cracks in the concrete. As concrete is a brittle material with low tensile strength, it is prone to cracking under stress. However, the presence of rebars inhibits the propagation of cracks by bridging them and transferring the stress to the surrounding concrete. This prevents the cracks from spreading and ultimately leads to a more durable and resilient structure. Additionally, steel rebars provide protection against corrosion. Concrete is naturally alkaline, which creates a protective layer on the steel surface, preventing it from rusting. This alkaline environment acts as a barrier against corrosion, ensuring the rebars maintain their structural integrity over time. By avoiding corrosion, the rebars can continue to provide reinforcement and prevent spalling in the concrete structure. In summary, steel rebars play a crucial role in preventing spalling in concrete structures by providing reinforcement, improving tensile strength, controlling crack formation, and protecting against corrosion. By enhancing the overall stability and durability of the concrete, rebars ensure that the structure can withstand various external pressures and maintain its integrity for an extended period.

Q:What is the difference between epoxy-coated and galvanized steel rebars?: Epoxy-coated steel rebars are reinforced steel bars that have been coated with an epoxy layer for added protection against corrosion. This coating acts as a barrier to prevent moisture and chemicals from reaching the steel, thereby extending its lifespan. On the other hand, galvanized steel rebars are steel bars that have been coated with a layer of zinc to prevent corrosion. The zinc coating acts as a sacrificial layer that corrodes instead of the steel, thereby protecting it from rust. The main difference between the two is the type of coating used, with epoxy providing more resistance to chemical corrosion, while galvanized coating offers better protection against atmospheric corrosion.

Q:What is the recommended maximum length of cantilevered steel rebars?: The recommended maximum length of cantilevered steel rebars is typically limited to 40 times the diameter of the rebar, as per industry standards and structural design guidelines.

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