Hot rolled deformed bar BS4449 G460B HRB400

Hot rolled deformed bar BS4449 G460B HRB400 System 1

Hot rolled deformed bar BS4449 G460B HRB400

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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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Deformed Bar Details:

Minimum Order Quantity:	m.t.	Unit:	m.t.	Loading Port:
Supply Ability:	m.t./month	Payment Terms:	TT OR LC	Package:	wire rod packing

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: What are the international standards for steel rebars?: The international standards for steel rebars are defined by the International Organization for Standardization (ISO) and the American Society for Testing and Materials (ASTM). These standards encompass various factors such as the composition, mechanical properties, dimensions, and tolerances of steel rebars, ensuring their quality and performance in construction projects worldwide.

Q: Are steel rebars susceptible to hydrogen embrittlement?: Yes, steel rebars are susceptible to hydrogen embrittlement. Hydrogen atoms can diffuse into the steel during fabrication or service, leading to the formation of internal pressure and causing the rebars to become brittle and prone to cracking or failure.

Q: What are the different types of steel rebars used in earthquake-prone regions?: In earthquake-prone regions, several types of steel rebars are commonly used, including carbon steel rebars, stainless steel rebars, and epoxy-coated rebars. Carbon steel rebars are the most widely used due to their high strength and cost-effectiveness. Stainless steel rebars provide excellent corrosion resistance and durability, making them suitable for aggressive environments. Epoxy-coated rebars offer protection against corrosion and are often used in locations with high moisture content. The choice of rebar type depends on the specific requirements and conditions of the earthquake-prone region.

Q: Can steel rebars be used in bridge deck construction?: Yes, steel rebars can be used in bridge deck construction.

Q: Can steel rebars be used in the construction of offshore oil platforms?: Yes, steel rebars can be used in the construction of offshore oil platforms. Steel rebars are commonly used in construction to reinforce concrete structures and provide additional strength and durability. In the case of offshore oil platforms, steel rebars are used to reinforce the concrete foundations and structures of the platform, helping to withstand the harsh environmental conditions and the weight of the equipment and infrastructure on the platform. The steel rebars are designed to resist corrosion and are typically coated with epoxy or other protective coatings to prevent rusting in the corrosive marine environment. Additionally, steel rebars can be custom-designed to meet the specific requirements of the offshore oil platform, ensuring they provide the necessary strength and stability.

Q: What is the minimum concrete strength required for steel rebars?: The minimum concrete strength required for steel rebars is typically specified by industry standards or building codes, such as the American Concrete Institute (ACI) or the International Building Code (IBC). The specific minimum strength can vary depending on the intended use and design requirements, but it is generally recommended to have a concrete strength of at least 3,000 pounds per square inch (psi) for regular steel rebars.

Q: How are steel rebars used in the construction of power plants?: Steel rebars are commonly used in the construction of power plants due to their strength and durability. These reinforced steel bars are used to provide structural support and reinforcement to various concrete elements in the power plant construction. One of the primary applications of steel rebars in power plant construction is in the construction of foundations and structural members. Power plants require strong and stable foundations to support the heavy equipment and machinery, as well as withstand the dynamic loads and vibrations. Steel rebars are embedded within the concrete foundation to enhance its structural integrity and resistance to compressive and tensile forces. In addition to foundations, steel rebars are also used in the construction of walls, columns, and beams in power plants. These elements play a crucial role in supporting the overall structure and ensuring its stability. By adding steel rebars to the concrete mix, the resulting reinforced concrete components can bear higher loads and resist cracking or deformation under stress. Furthermore, steel rebars are utilized in the construction of containment structures in nuclear power plants. These structures are designed to confine any potential release of radioactive materials in case of accidents or incidents. By incorporating steel rebars into the concrete walls and floors of these containment structures, their strength and resistance to impact and penetration are significantly enhanced, thereby improving the safety and security of the power plant. Overall, steel rebars play a vital role in the construction of power plants by providing reinforcement to concrete elements and ensuring the structural integrity and longevity of the facility. Their use enhances the strength, durability, and safety of the power plant, making it capable of withstanding various operational and environmental conditions.

Q: What is the standard length of steel rebars?: The standard length of steel rebars typically ranges from 6 meters to 12 meters, depending on the specific requirements and regulations of the construction industry in different countries.

Q: Can steel rebars be used in heritage bridge restoration?: Yes, steel rebars can be used in heritage bridge restoration. Steel rebars provide added strength and structural integrity to the bridge, ensuring its long-term stability and durability.

Q: How do steel rebars bond with concrete?: Steel rebars bond with concrete through a process called mechanical interlock, where the rough surface of the rebar provides better adhesion to the concrete. Additionally, the alkaline environment of the concrete forms a thin layer of iron oxide on the surface of the rebar, which further enhances the bond and prevents corrosion.

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