High quality deformed bar 6mm-50mm BS4449

High quality deformed bar 6mm-50mm BS4449 System 1

High quality deformed bar 6mm-50mm BS4449

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000000 m.t./month

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Product Description:

Specifications of HRB400 Deformed Steel Bar:

Standard	GB	HRB400
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length	6M, 9M,12M or as required
Place of origin	Hebei, China mainland
Advantages	exact size, regular package, chemical and mechanical properties are stable.
Type	Hot rolled deformed steel bar
Brand name	DRAGON

Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)

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
	Physical capability
	Yield Strength (N/cm²)		Tensile Strength (N/cm²)			Elongation (%)
	≥400		≥570			≥14

Theoretical weight and section area of each diameter as below for your information:

Diameter(mm)	Section area (mm²)	Mass(kg/m)	Weight of 12m bar(kg)
6	28.27	0.222	2.664
8	50.27	0.395	4.74
10	78.54	0.617	7.404
12	113.1	0.888	10.656
14	153.9	1.21	14.52
16	201.1	1.58	18.96
18	254.5	2.00	24
20	314.2	2.47	29.64
22	380.1	2.98	35.76
25	490.9	3.85	46.2
28	615.8	4.83	57.96
32	804.2	6.31	75.72
36	1018	7.99	98.88
40	1257	9.87	118.44
50	1964	15.42	185.04

Usage and Applications of HRB400 Deformed Steel Bar:

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..

Packaging & Delivery of HRB400 Deformed Steel Bar:

Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.

Each bundle weight: 2-3MT, or as required

Payment term: TT or L/C

Delivery Detail: within 45 days after received advanced payment or LC.

Label: to be specified by customer, generally, each bundle has 1-2 labels

Trade terms: FOB, CFR, CIF

Q: How to distinguish the quality of thread steel?: The quality of threaded steel (rebar spot price) can be used to compare intuitive methods to identify, and today we teach you a few quick identification of shoddy steel small trick.1., inferior steel longitudinal reinforcement is often wavy, prone to fold. Folding is due to shoddy manufacturers in pursuit of high efficiency, the amount of pressure is too large, produce handle, a rolling produce folding, folding products after bending cracks, the strength of steel big drop.2. inferior steel appearance often pitted phenomenon. Ma is due to a defect of groove wear caused by irregular rugged steel surface. Due to the inferior steel manufacturers to pursue profits, often rolling groove rolling most standard.

Q: What are the different types of steel rebars used in building construction?: There are several different types of steel rebars used in building construction, each with unique properties and applications. Some of the common types include: 1. Mild Steel Rebars: These rebars are also known as black bars and are the most commonly used type. They have low carbon content and are suitable for general construction purposes. 2. High Strength Deformed (HSD) Bars: HSD bars are heat-treated rebars with a higher yield strength than mild steel rebars. They have a ribbed surface that provides better bonding with concrete, making them ideal for structures that require higher load-bearing capacity. 3. Epoxy-Coated Rebars: These rebars are coated with epoxy resin to protect against corrosion. Epoxy coating prevents the steel from coming into direct contact with moisture and chemicals, thereby increasing the lifespan of the structure. 4. Galvanized Rebars: Galvanized rebars are coated with a layer of zinc to protect against rust and corrosion. The zinc coating acts as a sacrificial layer, preventing the steel from corroding even if the coating gets damaged. 5. Carbon Steel Rebars: Carbon steel rebars are made from carbon steel and have higher tensile strength than mild steel rebars. They are commonly used in high-rise buildings and heavy construction projects. 6. Stainless Steel Rebars: Stainless steel rebars are highly resistant to corrosion and are used in structures exposed to harsh environments or chemicals. They are more expensive than other types of rebars but offer superior durability. 7. European Rebars (Euro Rebars): Euro rebars are manufactured according to European standards and have specific markings to denote their grade and properties. They are widely used in European construction projects. The choice of rebar type depends on factors such as the intended use of the structure, environmental conditions, and the required strength. It is crucial to select the appropriate type of rebar to ensure the longevity and stability of the building.

Q: What are the different types of steel rebars used in bridge piers?: The different types of steel rebars commonly used in bridge piers include epoxy-coated rebars, stainless steel rebars, and galvanized rebars. These variations are used to enhance the durability, corrosion resistance, and overall strength of the bridge piers.

Q: What are the different types of splices used for steel rebars?: There are several types of splices used for steel rebars, including lap splices, mechanical splices, and welded splices. Lap splices involve overlapping two rebars and securing them with tie wires or rebar clamps. Mechanical splices use couplers or threaded sleeves to connect rebars together, providing a more reliable and efficient connection. Welded splices involve welding the ends of rebars together, creating a strong and permanent connection. The choice of splice type depends on factors such as project requirements, rebar size, and construction methods.

Q: Are steel bars used more in high-rise buildings or steel?: The shear wall structure is used in many round bars, such as vertical wall bars, horizontal bars, steel bars and stirrups. Note that only general structures are concerned.

Q: Can steel rebars be used in offshore oil and gas platforms?: Yes, steel rebars can be used in offshore oil and gas platforms. They are commonly employed as reinforcement in concrete structures to enhance their strength and durability. Rebars provide structural support and help withstand the harsh environmental conditions and heavy loads experienced in offshore operations.

Q: How do steel rebars contribute to the stability of a structure?: Steel rebars contribute to the stability of a structure by providing additional strength and support to the concrete. They help to reinforce and enhance the tensile strength of the concrete, making it more resistant to bending, cracking, and structural failure. This reinforcement ensures that the structure can withstand various external forces, such as wind, seismic activity, and heavy loads, improving its overall stability and durability.

Q: What is the effect of steel rebars on the weight of a structure?: Steel rebars have a significant effect on the weight of a structure, as they add additional mass to the overall construction.

Q: How are steel rebars protected against lightning strikes in buildings?: Steel rebars in buildings are typically protected against lightning strikes by installing a lightning protection system, which includes lightning rods or air terminals strategically placed on the roof and connected to a network of conductors and grounding systems. This system helps to safely dissipate the electrical charge from a lightning strike, minimizing the risk of damage to the steel rebars and the overall structure.

Q: How do steel rebars contribute to the overall resistance against natural disasters?: Steel rebars play a vital role in increasing the overall resistance against natural disasters in various ways. To begin with, they are extensively utilized in reinforced concrete structures like buildings, bridges, and dams, which are specifically designed to endure natural disasters such as earthquakes and hurricanes. The incorporation of steel rebars amplifies the structural integrity of these concrete elements, thereby making them more capable of withstanding the forces exerted by such calamities. During earthquakes, the flexible nature of steel rebars allows them to effectively absorb and distribute the seismic energy throughout the structure. This aids in dispersing the destructive forces and diminishing the likelihood of collapse or severe damage. Moreover, the presence of steel rebars enhances the ductility of reinforced concrete structures, enabling them to deform and flex without breaking, thus enhancing their overall resilience against seismic events. In the case of hurricanes or strong winds, steel rebars offer supplementary strength and stability to concrete structures. They function as reinforcement, preventing the concrete from cracking or crumbling under the pressure of high winds. The combination of the tensile strength of steel and the compressive strength of concrete results in a sturdy and long-lasting structure that can withstand the powerful forces generated by hurricanes. Furthermore, steel rebars play a critical role in the construction of flood-resistant structures. During flooding events, the strength and corrosion resistance of steel rebars guarantee the structural integrity of buildings and other infrastructure, preventing them from suffering severe damage or being washed away. The utilization of steel rebars in flood-prone areas aids in creating resilient structures that can withstand the erosive forces of water and remain intact. Overall, steel rebars make a significant contribution to the overall resistance against natural disasters by enhancing the strength, durability, and flexibility of concrete structures. Their presence improves the structural integrity and resilience of buildings, bridges, and other infrastructure, making them more capable of enduring the destructive forces unleashed by earthquakes, hurricanes, and floods.

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