• A615 deformed steel bars for construction System 1
  • A615 deformed steel bars for construction System 2
  • A615 deformed steel bars for construction System 3
A615 deformed steel bars for construction

A615 deformed steel bars for construction

Ref Price:
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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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Product Description:

OKorder is offering A615 deformed steel bars for construction at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

A615 deformed steel bars are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

 

Product Advantages:

OKorder's deformed steel bars are durable, strong, and resist corrosion.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Specifications:

 

 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

A615 deformed steel bars for construction

A615 deformed steel bars for construction

A615 deformed steel bars for construction

FAQ:

Q1: What makes stainless steel stainless?

A1: 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.

Q2: Can stainless steel rust?

A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.

 

 

Q: What are the common mistakes to avoid when installing steel rebars?
Some common mistakes to avoid when installing steel rebars include improper placement or spacing of rebars, inadequate concrete cover, insufficient reinforcement overlap, incorrect bar bending or cutting, and neglecting to secure the rebars in place during concrete pouring. It is essential to follow the specifications and guidelines provided by structural engineers and adhere to industry standards to ensure proper reinforcement installation.
Q: Can steel rebars be used in structures with limited maintenance access?
Structures with limited maintenance access can utilize steel rebars, which are commonly chosen for construction projects due to their exceptional strength and durability. These rebars can endure heavy loads and provide reinforcement to concrete structures. In structures with restricted maintenance access, steel rebars offer numerous benefits. Firstly, they boast a lengthy lifespan and are corrosion-resistant, minimizing the need for frequent maintenance. Unlike wood or aluminum, steel rebars do not decay or rot over time, rendering them suitable for structures that are challenging to reach for regular maintenance. Moreover, steel rebars can be easily examined using non-destructive testing methods like ultrasound or magnetic particle inspection. These techniques can identify any potential flaws or damage in the rebars without invasive measures, thereby ensuring the structural soundness of the building. Furthermore, steel rebars can be designed and installed in a manner that reduces the necessity for future maintenance. For instance, employing epoxy-coated rebars can provide an additional layer of protection against corrosion, prolonging the structure's lifespan and reducing maintenance requirements. However, it is crucial to acknowledge that while steel rebars are highly durable, they are not entirely maintenance-free. Over time, the protective coatings on the rebars may deteriorate, and if left unaddressed, corrosion can occur. Therefore, periodic inspections and maintenance activities must still be conducted, even in structures with limited access. In conclusion, due to their durability, corrosion resistance, and non-invasive inspection capabilities, steel rebars can be employed in structures with limited maintenance access. Nevertheless, regular inspections and maintenance are still necessary to ensure the long-term performance of the rebars and the overall structural integrity of the building.
Q: What are the advantages of using composite steel rebars?
Using composite steel rebars in construction projects offers numerous benefits. Firstly, they provide superior strength and durability compared to traditional rebars. The combination of steel and a fiber-reinforced polymer (FRP) composite material enhances tensile strength, resulting in a more robust and resilient structure. This is especially advantageous in areas with high seismic activity or extreme weather conditions, where the reinforcement must withstand significant forces. Secondly, composite steel rebars exhibit high resistance to corrosion. Traditional steel rebars are susceptible to corrosion when exposed to moisture and chemicals, causing structural degradation over time. However, the addition of a protective FRP composite layer effectively shields the steel from these corrosive elements, extending the reinforcement's lifespan and reducing the need for frequent maintenance. Furthermore, composite steel rebars offer a lightweight alternative to conventional steel reinforcement. By utilizing FRP composites, the weight of the rebars is significantly reduced while maintaining their structural integrity. This characteristic makes transportation and installation easier, ultimately reducing construction time and costs. Moreover, composite steel rebars possess excellent electrical and thermal insulation properties. Unlike traditional steel rebars, which are conductive, the FRP composite layer acts as an insulator. This minimizes the risk of electrical hazards and prevents the transfer of heat. Such insulation is particularly advantageous in structures that require control over electrical or thermal conductivity, such as power plants or buildings with sensitive equipment. Lastly, composite steel rebars are environmentally friendly. The production of steel rebars typically consumes a significant amount of energy and emits greenhouse gases. However, by utilizing FRP composites, the overall carbon footprint of the reinforcement is reduced, making it a more sustainable choice. In conclusion, the use of composite steel rebars offers enhanced strength, corrosion resistance, lightweight construction, electrical and thermal insulation, and environmental sustainability. These advantages make composite steel rebars a compelling choice for various construction applications.
Q: Can steel rebars be used in structures with high carbonation levels in concrete?
No, steel rebars should not be used in structures with high carbonation levels in concrete as the carbonation process can lead to corrosion of the steel, compromising the structural integrity of the building.
Q: Can steel rebars be used in sustainable construction practices?
Yes, steel rebars can be used in sustainable construction practices. Steel is a highly durable material that can be recycled, reducing the need for new production and minimizing environmental impact. Additionally, steel rebars provide strength and structural integrity to constructions, allowing for longer lifespan and reduced maintenance requirements. By incorporating steel rebars in sustainable construction practices, we can promote resource efficiency and minimize the overall environmental footprint.
Q: Can steel rebars be used in railway and metro construction?
Yes, steel rebars can be used in railway and metro construction. Steel rebars provide strength and durability to concrete structures, making them suitable for the construction of railway tracks, tunnels, and other infrastructure components in railway and metro projects.
Q: Can steel rebars be galvanized for added protection?
Indeed, an additional protective measure can be taken for steel rebars by galvanizing them. Galvanization involves the application of a thin layer of zinc onto the surface of the steel rebar. This zinc coating serves as a sacrificial layer, effectively safeguarding the rebar against corrosion. It creates a barrier between the steel and its surroundings, effectively blocking moisture and other corrosive elements from penetrating the rebar's surface. Galvanized steel rebars are widely utilized in construction ventures, particularly in regions prone to corrosion, such as coastal areas or environments with high humidity levels. Through the galvanization process, the longevity and durability of the steel rebar are significantly enhanced, rendering it highly resistant to rust and corrosion.
Q: How do steel rebars affect the overall load-bearing capacity of a structure?
The load-bearing capacity of a structure is greatly enhanced by steel rebars. These reinforcing bars are commonly added to concrete structures, such as beams, columns, and slabs, to add strength and durability. The main purpose of rebars is to resist tensile forces, which concrete alone cannot effectively handle. By embedding steel rebars in the concrete, the structure's overall load-bearing capacity significantly increases. When the structure is subjected to a load, the rebars evenly distribute the forces, preventing cracks and reducing the risk of structural failure. This reinforcement improves the structure's ability to withstand heavy loads, including the weight of the building, furniture, occupants, and external forces like wind and earthquakes. Additionally, rebars help control and limit the spread of cracks within the concrete. Concrete is strong in compression but weak in tension, so without rebars, it would easily crack under tensile stress. The rebars act as a reinforcement, absorbing some of the tensile forces and preventing the cracks from expanding, thus maintaining the overall strength of the structure. Furthermore, steel rebars enhance the ductility of the structure. Ductility refers to a material's ability to deform without breaking. When a structure experiences excessive loads or external factors cause deformation, the rebars absorb and dissipate the energy, allowing the structure to deform in a controlled manner instead of collapsing suddenly. To sum up, steel rebars significantly improve the load-bearing capacity of a structure by providing tensile strength, preventing crack propagation, and enhancing ductility. By reinforcing the concrete, rebars ensure that the structure can withstand heavy loads, increasing its strength, durability, and overall safety.
Q: What is the effect of overloading on steel rebars?
The effect of overloading on steel rebars is that it can lead to their deformation or failure. Overloading refers to subjecting the rebars to loads or forces that exceed their designed capacity. This can cause the rebars to bend, crack, or break, compromising the structural integrity of the reinforced concrete. It is crucial to ensure that rebars are not subjected to excessive loads to prevent potential safety hazards and maintain the overall strength and durability of the structure.
Q: How do steel rebars help in reducing construction time?
Steel rebars help in reducing construction time by providing structural reinforcement to concrete elements such as beams, columns, and slabs. These rebars enhance the strength and durability of the concrete, allowing for quicker construction processes. The use of steel rebars eliminates the need for excessive formwork, as the reinforced concrete can be poured into pre-designed molds, saving time and effort. Additionally, steel rebars enable faster curing of concrete, allowing construction projects to progress swiftly.

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