G460B deformed steel bar deformed steel bar

G460B deformed steel bar deformed steel bar System 1

G460B deformed steel bar deformed steel bar

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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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

Deformed Steel Bar in container

G460B deformed steel bar deformed steel bar

Deformed Steel Bar in factory

G460B deformed steel bar deformed steel bar

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.

FAQ:

Q1: How soon can we receive the product after purchase?

A1: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q2: What makes stainless steel stainless?

A2: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Q:Can steel rebars be used in earthquake-resistant buildings?: Yes, steel rebars can be used in earthquake-resistant buildings. Steel rebars provide strength and reinforcement to concrete structures, making them more resistant to seismic forces. The use of properly designed and installed steel rebars enhances the structural integrity of buildings, helping them withstand the lateral forces generated during an earthquake.

Q:What is the role of steel rebars in preventing concrete cracking?: The role of steel rebars in preventing concrete cracking is to provide reinforcement and strength to the concrete structure. By adding steel rebars, which are embedded within the concrete, it helps distribute the tensile forces and resist cracking caused by shrinkage, temperature changes, and external loads. The rebars act as a skeletal framework, enhancing the overall durability, stability, and resistance to cracking of the concrete.

Q:What are the guidelines for repairing or replacing corroded steel rebars in existing structures?: The guidelines for repairing or replacing corroded steel rebars in existing structures vary depending on the severity of the corrosion and the specific requirements of the project. However, there are some general guidelines that can be followed: 1. Assessment: Before proceeding with any repairs or replacements, a thorough assessment of the corrosion damage should be conducted. This may involve visual inspections, non-destructive testing, or even laboratory analysis of samples taken from the rebars. 2. Safety: Safety should always be the top priority when working with corroded rebars. Adequate precautions should be taken to ensure the safety of workers and surrounding areas. This may include the use of personal protective equipment and ensuring a stable work environment. 3. Determine the extent of corrosion: It is important to determine the extent of corrosion and whether it has affected the structural integrity of the rebars. This can help in deciding whether repair or replacement is necessary. 4. Repair methods: Depending on the severity of corrosion, various repair methods can be employed. These may include removing the corroded portion of the rebar and applying a corrosion inhibitor or protective coating, or using electrochemical techniques such as cathodic protection to prevent further corrosion. 5. Replacement: If the corrosion damage is extensive and repair is not feasible, the corroded rebars may need to be replaced. The replacement rebars should be of the same or higher grade and should be properly anchored to maintain the structural integrity of the existing structure. 6. Design considerations: When repairing or replacing corroded rebars, it is important to consider the design requirements of the structure. The repaired or replaced rebars should meet the necessary load-bearing capacity and should be properly integrated into the existing structure. 7. Quality control: Throughout the repair or replacement process, rigorous quality control measures should be implemented to ensure the effectiveness and durability of the repairs. This may include regular inspections, testing, and monitoring of the repaired or replaced rebars. It is important to note that these guidelines are general recommendations and should be tailored to the specific circumstances and requirements of each project. Therefore, it is advisable to consult with a structural engineer or a professional experienced in repairing corroded steel rebars for a more accurate and detailed guideline.

Q:How are steel rebars classified based on their yield strength?: Steel rebars can be classified based on their yield strength into different grades, such as Grade 40, Grade 60, and Grade 75. The yield strength indicates the maximum amount of stress a rebar can withstand before it starts to deform permanently. Higher grade rebars have higher yield strength, making them suitable for applications that require stronger reinforcement.

Q:How do steel rebars improve the durability of concrete structures?: Steel rebars improve the durability of concrete structures in several ways. Firstly, steel rebars act as reinforcement in concrete, providing added strength and stability to the structure. When combined with concrete, the high tensile strength of steel rebars helps to resist cracking and prevent the structure from collapsing under heavy loads or seismic activities. Secondly, steel rebars help to control the formation and propagation of cracks in concrete structures. Concrete is strong in compression but weak in tension, meaning it tends to crack when subjected to tensile forces. By placing steel rebars strategically within the concrete, these cracks are minimized and prevented from spreading, thus enhancing the overall durability of the structure. Furthermore, steel rebars help to improve the resistance of concrete structures against corrosion. Concrete is highly alkaline, which forms a protective layer around the steel rebars, preventing them from rusting. This corrosion resistance ensures that the rebars maintain their structural integrity over time, reducing the risk of deterioration and enhancing the longevity of the concrete structure. In addition, steel rebars also enhance the fire resistance of concrete structures. Due to their high melting point, steel rebars can withstand high temperatures, thereby preventing the concrete from losing its structural integrity during a fire. This added fire resistance ensures that the concrete structure remains stable and safe in the event of a fire, further enhancing its durability. Overall, the inclusion of steel rebars in concrete structures significantly improves their durability by providing added strength, controlling cracks, enhancing corrosion resistance, and increasing fire resistance. These benefits contribute to the longevity and safety of concrete structures, making them more reliable and sustainable in the long run.

Q:What is the role of steel rebars in the construction of high-rise buildings?: The role of steel rebars in the construction of high-rise buildings is to provide reinforcement and strength to concrete structures. Rebars act as a skeleton within the concrete, absorbing tensile forces and preventing cracks and fractures. This reinforcement ensures the structural integrity and stability of the building, allowing it to withstand and distribute heavy loads, seismic activity, and other external forces.

Q:How do steel rebars provide reinforcement to concrete?: Steel rebars provide reinforcement to concrete by acting as tension members. When concrete is subjected to loads, such as the weight of a structure or external forces, it tends to crack and fail under tension. Steel rebars are embedded within the concrete to counteract this weakness. The rebars are made of high-strength steel, which has a much higher tensile strength than concrete. When the concrete is poured, the rebars are strategically placed throughout the structure, typically in areas where tension forces are expected to occur. This could include areas such as beams, columns, and slabs. As the concrete cures and hardens, it forms a strong bond with the steel rebars. When external forces are applied to the concrete, such as the weight of a building or lateral forces from wind or earthquakes, tension forces are generated within the concrete. However, instead of these forces causing the concrete to crack and fail, the rebars take on the majority of the tension. The high tensile strength of the steel rebars allows them to resist the tension forces, preventing cracks from forming and ensuring that the concrete remains intact and structurally sound. The rebars act as a reinforcement by distributing the tensile forces more evenly throughout the concrete, enhancing its overall strength and durability. Furthermore, rebars can also provide additional benefits to concrete structures. They can help minimize the effects of temperature changes, prevent shrinkage cracks, and improve the resistance to corrosion caused by exposure to environmental factors. Overall, the use of steel rebars in concrete construction significantly enhances the structural integrity and longevity of the concrete, ensuring its ability to withstand various loads and external forces over time.

Q:12 of the threaded steel can replace 16 of the screw steel? But the same proportion. Thanks: Now Tianjin Tiantai into 12 of the price is 3900 yuan a ton, 16 tons of steel a price is 3850 yuan. 12 of thread steel is 50 yuan more expensive than 16 thread steel.

Q:What is the impact of steel rebars on the overall acoustic performance of a structure?: Steel rebars have a minimal impact on the overall acoustic performance of a structure. While they may conduct sound vibrations to some extent, the effect is typically negligible compared to other factors such as wall materials, insulation, and construction techniques.

Q:How are steel rebars classified based on their diameter?: The standardized system for categorizing steel rebars is based on their diameter. Rebars are measured in millimeters and assigned a specific number to indicate their diameter. The most commonly used classification system is known as the "nominal diameter" system, which groups rebars into different sizes according to their diameter. The nominal diameter is represented by a whole number, such as 6, 8, 10, 12, and so on. Under this system, the nominal diameter provides an approximation of the rebar's diameter in millimeters. For example, a rebar with a nominal diameter of 8 has an approximate diameter of 8 millimeters. Rebars can have diameters ranging from 6 millimeters to 50 millimeters or even larger. It is important to consider that the actual diameter of a rebar may slightly differ from its nominal diameter due to manufacturing tolerances. Nevertheless, these variations typically fall within an acceptable range. The classification of steel rebars based on their diameter holds great significance in construction and engineering. It plays a crucial role in determining the appropriate size and strength of rebars needed for specific applications. Different diameters of rebars possess varying load-bearing capacities, and accordingly, they are utilized in various structural elements like beams, columns, slabs, and foundations. In conclusion, steel rebars are categorized according to their diameter using the nominal diameter system, where the approximate diameter is expressed as a whole number in millimeters. This classification system aids in selecting the suitable size and strength of rebars for different construction purposes.

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