Iron Rods For Construction/Concrete Material

Iron Rods For Construction/Concrete Material System 1

Iron Rods For Construction/Concrete Material System 2

Iron Rods For Construction/Concrete Material System 3

Iron Rods For Construction/Concrete Material System 4

Iron Rods For Construction/Concrete Material

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

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Iron Rods For Construction/Concrete Material

Standard & Grade:	GB1499-98 : HRB335,HRB400,HRB500
	BS4449-1997 : GR460,GR500
	CAN/CSA-G30.18-M92 : 400W
	ASTM A615 : Gr.40, Gr.60
Diameter:	6mm;8mm;10mm;12mm;14mm;16mm;18mm;20mm;22mm;25mm;28mm;30mm;32mm;35mm;40mm
Length:	6m,9m,12m
Packing:	Bundle packing
Origin:	China
Application:	Construction,Road,Machinery processing,Welding fields.
Delivery time:	10-25 days
Shipment:	By bulk vessel or Container
Documents:	Mill Test Certificate,Commercial Invoice,Packing List,Certificate of Origin

Company Introduction of the Iron Rods For Construction/Concrete Material

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

Iron Rods For Construction/Concrete Material

Packaging & Delivery of the Iron Rods For Construction/Concrete Material

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

FAQ

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	1000m2
What’s your delivery time?	15-20 days after downpayment received
Do you Accept OEM service?	Yes
what’s your delivery terms?	FOB/CFR/CIF
What's the Payment Terms?	30% as deposit,70% before shipment by T/T
	Western Union acceptable for small amount.
	L/C acceptable for large amount.
	Scrow ,Paybal,Alipay are also ok
Why choose us?	Chose happens because of quality, then price, We can give you both. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.
Why choose us?
What's your available port of Shipment?	Main Port, China
What’s your featured services?	Our service formula: good quality+ good price+ good service=customer's trust
What’s your featured services?
Where are your Market?	Covering more than 160 countries in the world

Q: Do steel rebars affect the weight of a structure?: Yes, steel rebars do affect the weight of a structure. Rebars, also known as reinforcing bars, are steel bars used to reinforce concrete structures. When concrete is poured, rebars are embedded within it to provide additional strength and support. Since steel is much denser than concrete, the addition of rebars increases the overall weight of the structure. However, the weight increase is relatively small compared to the benefits gained in terms of structural integrity and load-bearing capacity. Rebars help distribute the load more evenly throughout the structure, making it more resistant to bending, cracking, and collapsing under heavy loads. Therefore, while rebars do add some weight to a structure, the advantages they bring in terms of safety and longevity far outweigh the slight increase in weight.

Q: Can steel rebars be used in road and bridge construction?: Yes, steel rebars can be used in road and bridge construction. Steel rebars provide structural integrity and strength to reinforce concrete structures, making them suitable for use in the construction of roads and bridges. They enhance the durability, load-bearing capacity, and resistance to cracking and deformation in these infrastructure projects.

Q: What is the corrosion resistance of steel rebars?: The surface of steel rebars forms a protective layer, known as a passive film, which provides excellent corrosion resistance. This film is created when the steel interacts with the surrounding environment. By acting as a barrier, the passive film prevents oxygen and moisture from reaching the steel, thus inhibiting corrosion. There are various factors that contribute to the corrosion resistance of steel rebars. For example, the presence of alloying elements like chromium, nickel, and molybdenum improves the formation and stability of the passive film, making the rebars more resistant to corrosion. Additionally, the composition and microstructure of the steel rebars play a crucial role in determining their resistance to corrosion. However, it is important to note that the corrosion resistance of steel rebars can be compromised under certain conditions. High levels of chlorides, such as those in marine environments or de-icing salts, can accelerate corrosion and reduce the effectiveness of the passive film. Similarly, exposure to acidic or alkaline environments can also negatively affect the corrosion resistance of steel rebars. To minimize the risk of corrosion, various protective measures can be taken. These include applying coatings or paints to the rebars, using corrosion inhibitors, or implementing cathodic protection systems. Regular inspection, maintenance, and proper design and construction practices are also essential to ensure the long-term corrosion resistance of steel rebars in different applications. In conclusion, the excellent corrosion resistance of steel rebars is due to the formation of a protective passive film. However, this resistance can be influenced by factors such as the environment, alloying elements, and microstructure. By implementing appropriate protective measures and maintenance practices, the corrosion resistance of steel rebars can be effectively maintained, ensuring their durability and structural integrity.

Q: How do steel rebars affect the overall longevity of a structure?: Steel rebars, also known as reinforcement bars, play a crucial role in enhancing the overall longevity of a structure. By providing strength and durability, rebars reinforce the concrete, making it more resistant to cracking and structural failure. This reinforcement ensures that the structure can withstand various external forces, such as extreme weather conditions, seismic activity, and heavy loads. Consequently, the use of steel rebars significantly extends the lifespan of a structure, ensuring its long-term stability and safety.

Q: What is the recommended method for splicing steel rebars together?: The recommended method for splicing steel rebars together is typically achieved using mechanical splices or lap splices. Mechanical splices involve connecting two rebars using couplers or sleeves, which are designed to provide strength and stability to the joint. Lap splices, on the other hand, involve overlapping the rebars and securing them together with steel wire or tie bars. The choice of method depends on factors such as the structural requirements, rebar diameter, and construction specifications.

Q: When did the 1305 rebar contract become a major contract?: 1305 rebar contract is now the main contract.

Q: What is the difference between three - grade steel and other grades?: Three rebar is the new standard name for HRB400 steel, three steel for the old, as a kind of hot rolled ribbed bar. In construction, three - grade rebar is called the past.

Q: What are the different grades of steel rebars used in bridge construction?: The construction of bridges requires the use of different grades of steel rebars, which are selected based on the specific demands and load-bearing capacities of the structure. The following are the most frequently employed grades of steel rebars in bridge construction: 1. Grade 40: This is the lowest grade of steel rebar utilized in bridge construction. It possesses a minimum yield strength of 40,000 pounds per square inch (psi). Grade 40 steel rebars are typically employed for lighter loads and smaller bridge structures. 2. Grade 60: This is the grade of steel rebar most commonly used in bridge construction. It boasts a minimum yield strength of 60,000 psi. Grade 60 steel rebars are suitable for medium to heavy loads and are frequently employed in bridge piers, girders, and deck slabs. 3. Grade 75: This grade of steel rebar possesses a minimum yield strength of 75,000 psi. Grade 75 steel rebars are employed for heavy loads and large bridge structures that necessitate greater strength. They are commonly utilized in the construction of high-rise bridges and long-span structures. 4. Grade 80 and Grade 100: These are high-strength steel rebars with minimum yield strengths of 80,000 psi and 100,000 psi, respectively. These grades of steel rebars are used in specialized bridge construction projects that require exceptional strength and durability. They are commonly employed in the construction of cable-stayed bridges and suspension bridges. It is worth noting that the selection of the appropriate grade of steel rebar for bridge construction relies on various factors, including anticipated loads, span length, design specifications, and local building codes. Consulting with structural engineers and adhering to recommended guidelines ensures the utilization of the appropriate grade of steel rebar, thereby guaranteeing the safety and longevity of the bridge structure.

Q: What are the different types of steel rebars used in road construction?: There are several types of steel rebars used in road construction, each with its own specific characteristics and advantages. Some of the commonly used types include: 1. Mild Steel Rebars: Also known as carbon steel rebars, these are the most commonly used type in road construction. They have a low carbon content and are relatively inexpensive. Mild steel rebars are suitable for general-purpose applications and provide good strength and ductility. 2. High Strength Deformed (HSD) Rebars: These rebars have higher tensile strength compared to mild steel rebars. They are manufactured by subjecting mild steel bars to mechanical treatments, such as hot rolling, quenching, and tempering. HSD rebars are used in areas where higher load-bearing capacity is required, such as bridge construction. 3. Stainless Steel Rebars: These rebars are corrosion-resistant due to their high chromium content. They are especially beneficial in areas with high humidity, coastal regions, or where road construction is exposed to corrosive substances. Stainless steel rebars are more expensive than other types but offer long-term durability. 4. Epoxy-Coated Rebars: These rebars are coated with epoxy to provide protection against corrosion. Epoxy coating acts as a barrier between the steel surface and the environment, preventing the penetration of moisture and corrosive elements. Epoxy-coated rebars are commonly used in concrete pavements to enhance the longevity of the road. 5. Galvanized Rebars: These rebars are coated with a layer of zinc to protect against corrosion. The zinc coating acts as a sacrificial layer, preventing the steel from coming into contact with corrosive elements. Galvanized rebars are commonly used in road construction projects where corrosion resistance is crucial, such as in areas with high levels of moisture or chemical exposure. It is important to select the appropriate type of steel rebars based on the specific requirements of the road construction project. Factors such as load-bearing capacity, environmental conditions, and budget considerations play a significant role in determining the most suitable type of rebar to be used.

Q: Can steel rebars be used in the construction of pedestrian bridges and walkways?: Yes, steel rebars can be used in the construction of pedestrian bridges and walkways. Steel rebars provide structural support and reinforcement to concrete, making them suitable for such applications. They enhance the strength and durability of the structures, ensuring their ability to withstand heavy loads and foot traffic.

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