High Quality GB Standard Deformed Steel Rebar HRB400

High Quality GB Standard Deformed Steel Rebar HRB400 System 1

High Quality GB Standard Deformed Steel Rebar HRB400

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100000 m.t./month

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Specifications of High Quality GB Standard Deformed Steel Rebar HRB400

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 of High Quality GB Standard Deformed Steel Rebar HRB400

(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 High Quality GB Standard Deformed Steel Rebar HRB400

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 High Quality GB Standard Deformed Steel Rebar HRB400

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

High Quality GB Standard Deformed Steel Rebar HRB400

Deformed Steel Bar in container

Deformed Steel Bar in factory

Note:

1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.

2. Other Grade and Standard Deformed Steel Bar we can supply:

Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S

Standard: ASTM, BS, DIN

The Minimum Order Quantity of these products is high, and need to be confirmed.

3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.

4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.

Q: How do steel rebars affect the overall crack control of concrete?: The incorporation of steel rebars into concrete structures is crucial for crack control. Steel rebars significantly improve the otherwise low tensile strength of concrete. Tensile forces, such as drying shrinkage, temperature changes, or applied loads, tend to cause cracks in concrete. However, the presence of steel rebars helps mitigate and control these cracks. Rebars reinforce the concrete and provide additional strength. They resist tensile forces and prevent easy cracking of the concrete. When reinforced concrete is subjected to tensile forces, the rebars bear a significant portion of the load, reducing the stress on the concrete and minimizing crack formation. The bond between the steel rebars and the concrete is essential for crack control. This bond ensures effective transfer of tensile forces to the concrete, enhancing its overall crack resistance. Additionally, the bond helps distribute applied loads evenly, reducing the risk of localized cracking. Steel rebars also have the ability to control crack widths in concrete. By specifying the appropriate diameter, spacing, and arrangement of the rebars, engineers can influence crack widths to meet design requirements. The rebars act as barriers, limiting the width of cracks and maintaining the structural integrity of the concrete. In conclusion, steel rebars have a positive impact on crack control in concrete. They enhance the tensile strength, resist tensile forces, distribute loads, and limit crack widths. Incorporating steel rebars in concrete ensures durability and longevity of structures by effectively controlling crack formation and minimizing their negative consequences.

Q: What are the different types of steel rebars used in foundation construction?: There are several different types of steel rebars that are commonly used in foundation construction. These include: 1. Mild Steel Rebars: Also known as black bars, mild steel rebars are the most commonly used type of rebars in foundation construction. They have a low carbon content and are easy to work with. Mild steel rebars provide good tensile strength and are cost-effective. 2. High Yield Strength Rebars: These rebars have a higher carbon content and are heat-treated to increase their strength. They are commonly used in areas where extra strength is required, such as in high-rise buildings or in seismic zones. High yield strength rebars offer superior resistance to tensile and compressive forces. 3. Epoxy-Coated Rebars: Epoxy-coated rebars are coated with epoxy resin to protect them from corrosion. They are commonly used in areas where the foundation is exposed to moisture or chemicals, such as in marine or industrial environments. The epoxy coating acts as a barrier, preventing water and other corrosive substances from reaching the steel and causing it to rust. 4. Galvanized Rebars: Galvanized rebars are coated with a layer of zinc to protect them from corrosion. The zinc coating provides excellent resistance to moisture and chemicals, making galvanized rebars suitable for use in areas with high humidity or in contact with concrete that contains chloride ions. They are commonly used in coastal areas or in structures such as bridges and parking garages. 5. Stainless Steel Rebars: Stainless steel rebars are highly corrosion-resistant and are used in environments where other types of rebars may fail due to corrosion. They are commonly used in structures that are exposed to aggressive environments, such as in chemical plants or wastewater treatment facilities. Stainless steel rebars are also used in areas with a high risk of corrosion, such as in coastal or humid regions. Overall, the choice of steel rebars for foundation construction depends on factors such as the specific requirements of the project, the environmental conditions, and the level of corrosion resistance needed. It is important to select the appropriate type of rebar to ensure the longevity and strength of the foundation.

Q: Excuse me, Shagang steel steel, what is the sign of: There are two kinds of commonly used classification methods of thread steel: one is to shape classification, according to different space shapes and transverse rib rib for classification or type, such as the British Standard (BS4449), the thread steel is divided into type I and type ii. This classification mainly reflects the tightening performance of the threaded steel.

Q: Can steel rebars be used in structures with high vibrations?: Yes, steel rebars can be used in structures with high vibrations. Steel rebars are commonly used in construction due to their high tensile strength and ability to withstand various forces, including vibrations. However, it is important to consider the specific requirements and design parameters of the structure to ensure that the rebars are properly anchored and reinforced to withstand the anticipated vibrations.

Q: How do steel rebars affect the overall thermal performance of a structure?: Steel rebars can have a significant impact on the overall thermal performance of a structure. Due to their high thermal conductivity, steel rebars can act as thermal bridges, allowing heat to easily transfer from the warmer side to the cooler side of a structure. This can result in heat loss in cold climates and heat gain in hot climates, thereby reducing the overall energy efficiency of the building. To mitigate this effect, insulation materials can be used to separate the steel rebars from the building envelope and minimize thermal bridging.

Q: What is the composition of steel rebars?: Steel rebars, also known as reinforced steel bars or reinforcing bars, are commonly used in construction projects to provide strength and reinforcement to concrete structures. The composition of steel rebars typically consists of primarily iron, with varying amounts of carbon and other alloying elements. The main component of steel rebars is iron, which provides the base material for their construction. Iron is combined with carbon to form steel, and the carbon content in rebars is generally around 0.2-0.3% by weight. This carbon content helps enhance the strength and hardness of the steel, making it suitable for reinforcing concrete structures. In addition to iron and carbon, steel rebars may also contain small amounts of other alloying elements, such as manganese, silicon, and sulfur. These elements are added in controlled quantities to improve specific properties of the steel, such as its durability, corrosion resistance, and weldability. Moreover, steel rebars are often produced with a ribbed or deformed surface to enhance their bond with the surrounding concrete. These surface deformations create a mechanical interlock between the rebar and the concrete, increasing the overall strength and stability of the reinforced structure. It is important to note that the exact composition of steel rebars may vary depending on the specific grade or standard being followed. Different countries and organizations may have their own specifications for steel rebars, which can dictate the allowable range of alloying elements and other parameters. Overall, the composition of steel rebars primarily consists of iron, carbon, and small amounts of other alloying elements, with the specific details varying based on the grade and standard being used.

Q: What is the sign of steel rebar: At present, China's iron and steel products implementation standards are national standards (GB, GB / T), industry standards (YB), local standards and enterprise standards

Q: How do steel rebars prevent concrete structures from collapsing?: Steel rebars prevent concrete structures from collapsing by providing reinforcement and strength to the concrete. The rebars act as a framework within the concrete, helping distribute loads and resist tension forces. This added strength prevents cracks from forming and spreading, ensuring the structural integrity of the concrete and preventing collapse.

Q: Can steel rebars be used in architectural or decorative concrete applications?: Yes, steel rebars can be used in architectural or decorative concrete applications. They provide structural reinforcement and enhance the overall strength and durability of the concrete. Additionally, when properly designed and installed, steel rebars can be concealed or incorporated into the design, making them suitable for various aesthetic purposes in architectural or decorative concrete projects.

Q: What are the different uses of wire rod and thread steel?: According to statistics, China's construction industry accounts for about 50% of the total steel consumption. As one of the resources consuming industries, the construction industry must adjust the consumption structure of construction materials, energetically apply high-strength steel bars and high-performance coagulation, and take the road of economical development. If the current use of steel and concrete to raise an intensity level, it can bring enormous savings to society. For example, by calculation, according to the standard requirements, if the reinforced concrete leading force steel strength increased to 400-500N/mm2, then can be in the current level of steel consumption to save about 10%.

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