Deformed Steel Bar Hot Rolled HRB4000 HRB500 ASTM A615 GR40/GR60

Deformed Steel Bar Hot Rolled HRB4000 HRB500 ASTM A615 GR40/GR60 System 1

Deformed Steel Bar Hot Rolled HRB4000 HRB500 ASTM A615 GR40/GR60 System 2

Deformed Steel Bar Hot Rolled HRB4000 HRB500 ASTM A615 GR40/GR60 System 3

Deformed Steel Bar Hot Rolled HRB4000 HRB500 ASTM A615 GR40/GR60

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 500 m.t.

Supply Capability:: 30000 m.t./month

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Product Description:

Specifications of HRB500 Deformed Steel Bar:

Standard	GB	HRB500
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length	6M, 9M,12M or as required
Payment term	TT or L/C
Application	mainly used in construction industry to reinforce concrete structures and so on
Quality	First quality, the goods are from Chinese big manufacturers.
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
HRB500	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045		0.08-0.12
	Physical capability
	Yield Strength (N/cm²)		Tensile Strength (N/cm²)			Elongation (%)
	≥500		≥630			≥12

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 HRB500 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..

Product Description:

Quick Details

Standard:ASTM, BS, GB, JIS
Grade:HRB335
Diameter:6-50mm
Length:6-12m
Place of Origin:Tianjin, China (Mainland)
Application:construction
Deformed Steel Bar:Original Tianjin China
Standard1:BS4449
Standard2:ASTM A615
Standard3:GB/T1449
Grade1:HRB335
Grade2:HRB400
Grade3:HRB500
Grade4:460B
Grade5:GR.40
Grade6:GR.60

Packaging & Delivery

Packaging Details:	with bundle and bare packing
Delivery Detail:	within 15-20days

Specifications

Deformed Steel Bar
1).Standard:BS4449 ASTM A 615
2).Grade:HRB335/400/500,460B,GR40/60
3) Experience : 5years for exporting

Tianjin Baolf Steel Co.,Limited
Standard	BS4449 ASTM A615 GB/T1499
Grade	HRB335/400/500,460B,GR40/60
Diameter	6-50mm
Length	6,9,12m
Technique	Hot Rolled
Application	For Construction

Q:What is the impact of steel rebars on the aesthetics of a structure?: Steel rebars, being an essential component of reinforced concrete structures, generally have minimal impact on the aesthetics of a building. They are typically concealed within the structure and remain hidden from view. However, in certain architectural designs where rebars are intentionally exposed, they can contribute to an industrial or modern aesthetic. Overall, the impact of steel rebars on the aesthetics of a structure is largely dependent on the design intent and whether they are meant to be visible or not.

Q:Can steel rebars be used in pre-stressed or post-tensioned concrete structures?: Yes, steel rebars can be used in both pre-stressed and post-tensioned concrete structures. In pre-stressed concrete, the rebars are tensioned before the concrete is poured, while in post-tensioned concrete, the rebars are tensioned after the concrete has hardened. The tensioned rebars help to improve the strength and durability of the concrete structures.

Q:Can steel rebars be used in the construction of government buildings?: Yes, steel rebars can be used in the construction of government buildings. Steel rebars are commonly used in construction due to their high strength and durability, making them suitable for various building types, including government buildings. They provide reinforcement to concrete structures, increasing their load-bearing capacity and structural integrity, which is essential for the safety and longevity of government buildings. Additionally, steel rebars comply with industry standards and building codes, ensuring that the construction meets the necessary regulations and requirements.

Q:How do steel rebars affect the overall maintenance requirements of a structure?: Steel rebars play a crucial role in the overall maintenance requirements of a structure. They have a significant impact on the durability, strength, and longevity of a building. One of the primary functions of steel rebars is to reinforce concrete, providing additional strength and stability to the structure. By absorbing and distributing the tensile forces that occur within concrete, rebars help prevent cracking and structural failure. In terms of maintenance, the presence of steel rebars can greatly reduce the need for repairs and maintenance activities. Due to their high tensile strength, rebars enhance the structural integrity of a building, making it more resistant to external forces such as seismic activity, wind loads, and heavy loads. This added strength minimizes the likelihood of cracks, deformations, and other structural issues that may require costly repairs. Moreover, steel rebars also contribute to the overall durability of a structure. They are highly resistant to corrosion, which is a significant concern for the maintenance of concrete structures over time. Corrosion of rebars can lead to concrete spalling, cracking, and other forms of deterioration. However, the use of steel rebars with appropriate protective coatings can effectively prevent or minimize the corrosion process, reducing the maintenance requirements associated with corrosion-related issues. Furthermore, steel rebars are relatively easy to inspect and monitor for potential maintenance needs. Regular inspections can identify any signs of corrosion, damage, or misalignment of the rebars. Early detection of such issues allows for timely repairs or remedial actions, preventing further deterioration and extending the lifespan of the structure. In summary, steel rebars positively influence the overall maintenance requirements of a structure. They enhance the structural integrity, durability, and resistance to external forces, reducing the frequency and extent of maintenance activities. Additionally, their corrosion resistance and ease of inspection contribute to the long-term maintenance and preservation of the structure.

Q:How do steel rebars resist corrosion?: Steel rebars resist corrosion due to the presence of a protective oxide layer that forms on their surface when exposed to oxygen and moisture. This oxide layer acts as a barrier, preventing further contact between the steel and corrosive agents, thus extending the rebars' lifespan and durability.

Q:What are the best practices for handling and storing steel rebars on a construction site?: Some best practices for handling and storing steel rebars on a construction site include: 1. Properly stacking and bundling rebars to prevent accidents and injuries. Ensure that they are stored in a well-organized manner to minimize the risk of collapsing stacks. 2. Use appropriate lifting equipment, such as cranes or forklifts, to handle and move rebars safely. Avoid dragging or rolling them on the ground, as this can cause damage and compromise their structural integrity. 3. Protect rebars from exposure to moisture, excessive heat, and corrosive substances. Store them in a dry and covered area to prevent rusting and degradation. 4. Label rebars with relevant information, such as size, type, and grade, to ensure proper identification and usage. This helps in maintaining accurate inventory and preventing mix-ups during construction. 5. Regularly inspect rebars for any signs of damage, such as bends, cracks, or excessive rust. Damaged rebars should be removed from the site and replaced to maintain structural integrity. 6. Train construction workers on safe handling and storage practices for rebars, emphasizing the importance of following guidelines and using appropriate personal protective equipment (PPE). By adhering to these best practices, construction sites can ensure the safety and integrity of steel rebars, contributing to the overall success of the project.

Q:What is the role of steel rebars in reducing concrete creep?: Steel rebars play a crucial role in reducing concrete creep by providing additional tensile strength to the concrete structure. As concrete is prone to creep, which is the gradual deformation over time due to sustained loads, rebars act as reinforcement to counteract this phenomenon. By resisting the tension forces that cause creep, steel rebars help maintain the structural integrity and stability of the concrete, thus minimizing any potential deformations or cracks.

Q:What is the process of cutting steel rebars on-site?: The process of cutting steel rebars on-site typically involves the use of specialized tools such as a rebar cutter or a rebar saw. The rebars are measured and marked at the desired length, and then the cutting tool is used to make precise cuts through the steel. Safety precautions such as wearing protective gear and ensuring a stable work surface are important during this process.

Q:What are the different types of steel rebars used in railway construction?: The different types of steel rebars used in railway construction include plain carbon steel rebars, low alloy steel rebars, and stainless steel rebars. Each type has specific properties and strengths that make them suitable for various applications in railroad infrastructure.

Q:Can steel rebars be used in precast or prestressed concrete?: Yes, steel rebars can be used in both precast and prestressed concrete. Rebars are commonly used in these construction methods to provide reinforcement and enhance the strength and durability of the concrete structures.

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