BST500S deformed steel bar for construction

BST500S deformed steel bar for construction System 1

BST500S deformed steel bar for construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 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

BST500S deformed steel bar for construction

Q:How are steel rebars connected or joined together?: Steel rebars are typically connected or joined together using different methods, depending on the specific application and structural requirements. The most common methods of connecting steel rebars are: 1. Overlapping: This method involves overlapping two rebars to create a continuous length of reinforcement. The overlapping length should meet the specified design requirements and is typically secured with steel tie wires or mechanical connectors. 2. Welding: Steel rebars can be joined together through welding, which involves melting the ends of the rebars and fusing them together using heat. Welding is a suitable method for connecting rebars in pre-fabricated structures or where high strength and durability are required. 3. Mechanical couplers: Mechanical couplers are pre-fabricated devices that provide a threaded connection between two rebars. These couplers are typically screwed onto the ends of the rebars, creating a strong and reliable connection. Mechanical couplers are commonly used in construction projects where fast installation and ease of use are important. 4. Lap splicing: Lap splicing involves connecting two rebars by overlapping them and securing the overlap with steel tie wires or mechanical connectors. This method is widely used in reinforced concrete structures and provides adequate strength and continuity. 5. Grouted splicing: In grouted splicing, the ends of two rebars are embedded into a sleeve or coupling filled with grout or epoxy resin. This method ensures a strong bond between the rebars, providing enhanced load transfer and corrosion resistance. It is important to note that the connection method used for steel rebars should comply with the applicable building codes and structural design specifications to ensure the overall integrity and safety of the structure.

Q:Are steel rebars suitable for use in wastewater treatment plants?: Yes, steel rebars are suitable for use in wastewater treatment plants. They provide excellent strength and durability, making them ideal for reinforcing concrete structures in such environments. Additionally, steel rebars are corrosion-resistant, which is crucial in wastewater treatment plants where exposure to chemicals and moisture is common.

Q:What are the common myths and misconceptions about steel rebars?: There are several common myths and misconceptions about steel rebars. One misconception is that all rebars are the same, when in fact there are different grades and types of rebars with varying properties and strengths. Another myth is that steel rebars are prone to rusting easily, but in reality, rebars are typically coated with protective substances or used in conjunction with concrete to prevent corrosion. Additionally, some people believe that steel rebars are not environmentally friendly, but they are actually highly recyclable and can be reused in various construction projects. Overall, it's important to dispel these myths and understand the true characteristics and benefits of steel rebars in construction.

Q:Are steel rebars susceptible to magnetism?: Yes, steel rebars are susceptible to magnetism as they are made primarily of iron, which is a ferromagnetic material.

Q:What are the environmental impacts of using steel rebars in construction?: The environmental impacts of using steel rebars in construction include the extraction and processing of raw materials, such as iron ore, which can contribute to deforestation, habitat destruction, and emissions of greenhouse gases. The production of steel also requires significant amounts of energy and water, leading to carbon dioxide emissions and potential water pollution. Additionally, the disposal of steel waste and the potential for corrosion can contribute to land and water pollution. However, steel rebars can also have positive environmental impacts, as they are durable, recyclable, and can contribute to the overall sustainability of a structure.

Q:What are the factors that determine the selection of steel rebars?: The factors that determine the selection of steel rebars include the required strength and durability, the specific application and load requirements, the environmental conditions such as exposure to corrosion or high temperatures, the cost-effectiveness, and compliance with relevant building codes and regulations.

Q:How are steel rebars inspected for quality control?: Steel rebars are inspected for quality control through several methods. Visual inspections are conducted to check for any visible defects such as cracks, surface irregularities, or improper dimensions. Non-destructive testing techniques like ultrasonic testing and magnetic particle inspection are used to detect internal flaws or discontinuities. Rebars are also subjected to destructive testing, including tensile and bend tests, to assess their mechanical properties and ensure they meet the required standards. Additionally, chemical composition analysis is performed to verify the steel's composition and adherence to specifications.

Q:What is the role of lap splicing in steel rebars?: The role of lap splicing in steel rebars is to provide continuity and strength in reinforced concrete structures. It involves overlapping two rebars and securely connecting them using mechanical means or by welding. This ensures that the load is distributed evenly and transferred effectively between the rebars, enhancing the structural integrity and preventing the risk of failure in the concrete.

Q:Can steel rebars be used in earthquake-resistant buildings?: Yes, steel rebars can be used in earthquake-resistant buildings. Steel rebars are commonly used in construction to reinforce concrete structures, providing strength and durability. In earthquake-resistant buildings, steel rebars are strategically placed to distribute and absorb the seismic forces generated during an earthquake, preventing structural failure and reducing the risk of collapse. This reinforcement helps to enhance the overall stability and resilience of the building, making it more resistant to seismic activity.

Q:Can steel rebars be used in the construction of shopping complexes?: Yes, steel rebars can be used in the construction of shopping complexes. Steel rebars are commonly used as reinforcement in concrete structures, including shopping complexes, due to their high strength and ability to withstand heavy loads. They provide structural integrity and enhance the overall strength and durability of the building. Steel rebars are also resistant to corrosion, which is crucial for structures like shopping complexes that are exposed to varying weather conditions and high foot traffic. Additionally, the use of steel rebars allows for flexibility in design and construction, enabling architects and engineers to create complex and unique structures. Overall, steel rebars are a reliable and widely used material for reinforcing concrete in the construction of shopping complexes.

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