Deformed steel bar 12mm of different grade

Deformed steel bar 12mm of different grade

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 19000 m.t./month

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Specification

Standard:

AISI,ASTM,JIS,EN

Technique:

Hot Rolled

Shape:

Round

Surface Treatment:

Dry

Steel Grade:

RHB335,HRB400

Thickness:

12mm

Length:

6-12m

Net Weight:

1-2mt

Rebar (short for reinforcing bar), also known as reinforcing steel, reinforcement steel, is a steel bar or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and hold the concrete in tension. Rebar's surface is often patterned to form a better bond with the concrete.

.Most grades of steel used in rebar cannot accept welding; such as, to adjacent steel plates or as means to bind single

pieces of rebar together. However, special grades of rebar steel and welding rods make welding by expert welders possible.

Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.

Product Description :

Chemical composition (%):	Steel		C		Si	Mn		P	S		Ceq
	HRB335		0.25		0.80	1.60		0.045	0.045		0.52
	HRB400										0.54
	HRB500										0.55
Mechanical properties	Steel	Rel/ MPa		Rm/ MPa			A/ %			Agt/ %
		≥
	HRB335	335		455			17			7.5
	HRB400	400		540			16
	HRB500	500		630			15
Package:	Standard export packing or as customer's request
Application:	Construction, building, bridge, road. ect
Payment terms	1).100% irrevocable L/C at sight. 2).30% T/T prepaid and the balance against the copy of B/L. 3).30% T/T prepaid and the balance against L/C
Delivery time	15-30 days after receipt of L/C or deposit by T/T

Deformed steel bar 12mm of different grade

Packing:

In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.

Deformed steel bar 12mm of different grade

Our service

(1) We cooperate with famous factories with advanced equipment and well trained workers.

(2) We can provide factory price with trading company service.

(3) We continuously work on the improvement of our processes, guaranteeing consistently high standards

of quality to keep none compensation.

(4) We guarantee 24 hours response and 48 hours solution providing service.

(5) We accept small order quantity before formal cooperation.

(6) We deliver the agreed quality at the agreed time, reacting to changes in customer wishes in a flexible way.

(7) Due to our volume and selling power, we have excellent freight rates with shipping lines.

(8) We strive to always be fair and honest in our dealings with customers.

(9) We strive to work together with customers to achieve much more than we can achieve alone.

(10) Through our passion and commitment we aim to be a market leader in all our key markets. To maintain

our position as market leader we must continue to add value in all that we do.

FAQ:

1.Q: What's your MOQ(minimum order quantity)?

A: One full container, mixed acceptable .

2. Q: What's your packing methods?

A: Packed in bundle or bulk ..

3. Q: How can I buy CNBM products in my country?

A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country

4. Q: Can we visit your factory?

A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.

5. Q: How long does it take to get the product if i place an order?

A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations

Q: What are the guidelines for proper storage and transportation of steel rebars?: The guidelines for proper storage and transportation of steel rebars include keeping them off the ground to avoid moisture and corrosion, storing them in a well-ventilated area, organizing them in a neat and stable manner to prevent falling or shifting, protecting them from direct exposure to weather conditions, and securing them properly during transportation to avoid damage or accidents.

Q: How are steel rebars used in parking structures?: Steel rebars are used in parking structures to reinforce the concrete and provide structural strength. They are typically embedded within the concrete to ensure that the structure can withstand heavy loads and resist any potential cracks or damages. The rebars help distribute the weight evenly, enhancing the overall stability and durability of the parking structure.

Q: Can steel rebars be used in pre-stressed concrete construction?: No, steel rebars cannot be used in pre-stressed concrete construction. Pre-stressed concrete requires the use of high-strength steel cables or strands that are tensioned before the concrete is poured. This helps to counteract the expected tensile stresses and increase the overall strength and durability of the structure.

Q: What is the process of joining steel rebars together?: The process of joining steel rebars together is commonly known as rebar splicing or rebar connection. It is a crucial step in reinforcing concrete structures to ensure structural integrity and strength. There are several methods for joining steel rebars, each with its own advantages and suitability depending on the specific requirements of the project. Here are some common techniques: 1. Lap Splicing: This is the most traditional and widely used method. It involves overlapping two rebars and tying them together using wire or steel tie bars. The length of the overlap is usually specified by engineering codes and standards. 2. Mechanical Splicing: Mechanical splicing involves using specially designed couplers or connectors to join two rebars together. These couplers are typically threaded or tapered, allowing the rebars to be screwed or wedged into the connector. Mechanical splicing provides a more reliable and efficient connection compared to lap splicing. 3. Welding: In certain cases, rebars can be joined together through welding. This method involves heating the rebars to their melting point and fusing them together using an electric arc. Welded splices are typically used for large-scale construction projects where high strength and durability are required. 4. Compression Splicing: Compression splicing utilizes compression fittings or sleeves to join rebars together. The rebars are inserted into the sleeves, and then a hydraulic press is used to compress the fitting, creating a strong connection. Compression splicing is particularly useful when dealing with rebars of different sizes or in areas with limited space for lap splicing. The selection of the appropriate method for joining steel rebars depends on factors such as the structural design, load requirements, and construction constraints. It is important to consult with structural engineers and adhere to local building codes and regulations to ensure proper and safe execution of the rebar splicing process.

Q: How do steel rebars affect the overall crack width of concrete structures?: The crack width of concrete structures is affected by steel rebars in various ways. Primarily, the reinforcement provided by rebars strengthens the concrete, increasing its resistance to cracking. This reinforcement helps distribute the tensile forces within the concrete, preventing cracks from spreading and widening. When the concrete is subjected to tensile stress, the rebars bear a significant portion of the load, reducing stress on the concrete itself and minimizing crack formation. Furthermore, the use of rebars influences the spacing and size of cracks in concrete structures. Engineers can control the crack width by incorporating rebars at specific intervals and in appropriate sizes. The rebars act as barriers that limit crack width by resisting the tensile forces exerted on the concrete. This is especially important in structures exposed to heavy loads or external forces, as it preserves the structural integrity and durability of the concrete. Moreover, steel rebars impact the propagation of cracks in concrete structures. In the event of cracks, rebars prevent their further extension. They serve as anchors, holding the cracked sections of concrete together and preventing crack spread. This is essential for ensuring overall structural stability and reducing the risk of structural failure. To summarize, steel rebars play a crucial role in influencing the overall crack width of concrete structures. They enhance concrete strength, distribute tensile forces, regulate crack spacing and size, and inhibit crack propagation. By incorporating rebars into concrete structures, engineers can effectively manage and diminish crack formation and severity, ensuring the longevity and safety of the structures.

Q: Are steel rebars suitable for use in structures with high resistance to impact?: Structures with high resistance to impact can generally make use of steel rebars. These rebars, also known as reinforcement bars, are made from steel and are commonly utilized in concrete structures to enhance their strength and durability. Steel possesses high tensile strength and the ability to absorb and distribute impact forces, making it an excellent material for reinforcement. In situations where impact is a concern, like in bridges, highways, or buildings located in earthquake-prone areas, steel rebars perform a critical function by providing additional strength and resistance. By incorporating rebars, the structure becomes capable of withstanding sudden impact loads and preventing catastrophic failures. Furthermore, engineers have the option to choose from various grades and sizes of steel rebars, ensuring that the appropriate type is selected based on the specific requirements of the structure. Higher grade rebars, such as Grade 60 or Grade 75, offer increased strength and ductility, making them particularly suitable for structures with high resistance to impact. It is worth noting that while steel rebars enhance the overall strength and impact resistance of a structure, other factors such as design, construction techniques, and maintenance also play significant roles in ensuring the structure's ability to withstand impact forces. Therefore, taking a comprehensive approach that encompasses all these factors is crucial when designing and constructing structures with high resistance to impact.

Q: Are steel rebars easy to cut and shape?: Yes, steel rebars are relatively easy to cut and shape due to their malleability and strength. They can be cut using various tools such as a hacksaw or an angle grinder, and can also be bent or shaped into different forms using specialized equipment.

Q: Can steel rebars be used in structures with heavy dynamic loads?: Yes, steel rebars can be used in structures with heavy dynamic loads. Steel rebars are commonly used in construction projects to reinforce concrete and provide additional strength and durability. They are designed to withstand various types of loads, including heavy dynamic loads caused by vibrations, impacts, or moving loads. The high tensile strength and flexibility of steel rebars make them suitable for withstanding dynamic loads and ensuring the structural integrity of the building or infrastructure.

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 as these chemicals can cause corrosion and deterioration of the steel, compromising the structure's integrity.