Reinforcing Steel Bar for Concrete System 1

Reinforcing Steel Bar for Concrete

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Product Description:

OKorder is offering Reinforcing Steel Bar for Concrete 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:

Reinforcing Steel Bar for Concrete 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 Reinforcing Steel Bar for Concrete 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

Size: 6mm-25mm

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	B
HRB335	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	>0.0008
	Physics capability
	Yield Strength(N/cm2)		Tensile Strength(N/cm2)		Elongation (%)
	≥335		≥490		≥16

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 soon can we receive the product after purchase?

A3: Within three days of placing an order, we will arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.

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Reinforcing Steel Bar for Concrete

Q:What are the common challenges in handling steel rebars during construction?: Some common challenges in handling steel rebars during construction include their heavy weight, which can make them difficult to lift and maneuver, the need for proper storage to prevent rusting and damage, the risk of injury if not handled correctly, and the need for precision in cutting and bending them to fit specific structures.

Q:How do steel rebars contribute to the overall occupant comfort of a building?: Steel rebars contribute to the overall occupant comfort of a building by providing structural strength and stability. They reinforce the concrete, ensuring that the building can withstand various forces such as wind, earthquakes, and heavy loads. This enhances the safety of the occupants, assuring them of a secure and stable structure. Additionally, steel rebars help in maintaining the integrity of the building over time, reducing the risk of cracks or structural failures that could negatively impact occupant comfort.

Q:How are steel rebars used in the construction of tunnels and underground passages?: Steel rebars are used in the construction of tunnels and underground passages to reinforce the concrete structures. They are embedded within the concrete to increase its strength and prevent cracking or collapsing under the pressure exerted by the surrounding soil or water. The rebars provide structural integrity and durability, ensuring the tunnels and passages can withstand the forces and stresses they encounter.

Q:Why is the difference between left and right threads? What's the difference?: The design direction of rotation screw steel, steel and related crystal. Due to crystal dislocation, under the tensile stresses along a surface slip between the crystal, for single crystal, slip surface and tensile stress direction angle of about 45, at the same time, the crystal will around the stress-induced rotation axis. According to the characteristics of steel, the surface of the reinforcement design into a spiral shape, can effectively improve the strength of steel, save materials, reduce the weight of the building. Of course, there are combined with concrete between considerations.

Q:What is the maximum length of steel rebars available in the market?: The maximum length of steel rebars available in the market can vary, but commonly they are available in lengths up to 60 feet or 18 meters.

Q:How are steel rebars made?: Steel rebars are made through a process called hot rolling, where steel billets (large chunks of steel) are heated to a malleable temperature and then passed through a series of rollers to shape them into long, cylindrical bars. These bars are then cut to the desired length and surface treated to improve their corrosion resistance.

Q:How do steel rebars contribute to the overall stiffness of a structure?: Steel rebars contribute to the overall stiffness of a structure by providing reinforcement and enhancing its load-bearing capacity. When embedded within concrete, steel rebars form a composite material known as reinforced concrete, which combines the compressive strength of concrete with the tensile strength of steel. The primary function of steel rebars is to resist tensile forces that can cause concrete to crack or fail. Concrete has excellent compressive strength but is weak in tension. By adding steel rebars, the overall stiffness of the structure is increased, as the rebars take up the tensile stresses and prevent the concrete from failing under tension. The rebars are strategically placed within the concrete to resist anticipated forces and distribute them evenly across the structure. As external loads are applied to the structure, such as the weight of the building or environmental forces like wind or earthquakes, the rebars counteract the tension caused by these loads. This reinforcement ensures that the structure remains intact and stable, preventing any major deformations or collapse. Moreover, steel rebars also contribute to the ductility of the structure. Ductility refers to the ability of a material to undergo deformation without fracturing. Steel has high ductility, and when incorporated into reinforced concrete, it allows the structure to withstand some level of flexure and movement without compromising its overall strength and stability. This improved ductility enhances the structural resilience, making the building more resistant to extreme external forces. In summary, steel rebars play a crucial role in contributing to the overall stiffness of a structure by reinforcing the concrete and providing tensile strength. They prevent cracking and failure under tension, distribute forces evenly, and increase the structural resilience and ductility. By combining the compressive strength of concrete with the tensile strength of steel, steel rebars ensure that the structure can withstand various loads and maintain its stability and integrity over time.

Q:What are the guidelines for proper spacing and lapping of steel rebars in concrete structures?: The guidelines for proper spacing and lapping of steel rebars in concrete structures vary depending on the specific design and structural requirements. However, some general recommendations exist. The rebars should be adequately spaced to ensure proper concrete cover, allowing for corrosion protection and sufficient bond strength. Typically, the minimum spacing between parallel rebars is around 1.5 times the diameter of the larger bar or 25 mm (1 inch), whichever is greater. Lapping, or overlapping, of rebars is necessary to create a continuous load path. The length of the overlap depends on the design and the type of rebar connection being used. It is important to follow the specifications provided by structural engineers and adhere to local building codes to ensure the proper spacing and lapping of rebars in concrete structures.

Q:What is the maximum spacing allowed between vertical steel rebars in columns?: The maximum spacing allowed between vertical steel rebars in columns depends on various factors such as the column size, design requirements, and local building codes. However, a common guideline is to keep the spacing between rebars equal to or less than three times the column diameter or width.

Q:Can steel rebars be used in the construction of road bridges or flyovers?: Yes, steel rebars can be used in the construction of road bridges or flyovers. Steel rebars are commonly used as reinforcement in concrete structures, including bridges and flyovers, due to their high strength and durability. The rebars help to enhance the structural integrity and load-bearing capacity of the concrete, making it suitable for supporting heavy traffic loads and resisting the forces experienced by road bridges and flyovers. Additionally, steel rebars provide increased resistance to corrosion, which is crucial in bridge constructions where exposure to environmental elements is significant. Overall, the use of steel rebars in the construction of road bridges and flyovers ensures their structural stability, longevity, and safety.

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