Steel rebar Grade HRB400 for Construction
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 19000 m.t./month
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Specification
Steel rebar is metal bars often used in construction for pouring concrete or supporting walls and columns. The rebar can
be smooth, though they are frequently manufactured with deformations that create greater texture to which concrete can
adhere, creating a stronger bond that helps prevent cracking of concrete. These deformations do not create weaknesses in
the rebar, and when rebar is measured to determine its diameter, it is typically measured at the narrowest point. Strength
grades indicate the amount of pressure the steel rebar can withstand, and grade and diameter are typically presented in both
imperial and metric units.
Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.
Product Description :
Chemical composition (%): | Steel | C | Si | Mn | P | S | Ceq | ||||
HRB335 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 | 0.52 | |||||
HRB400 | 0.54 | ||||||||||
HRB500 | 0.55 | ||||||||||
Mechanical properties | Steel | Rel/ MPa | Rm/ MPa | A/ % | Agt/ % | ||||||
≥ | |||||||||||
HRB335 | 335 | 455 | 17 |
7.5 | |||||||
HRB400 | 400 | 540 | 16 | ||||||||
HRB500 | 500 | 630 | 15 | ||||||||
Package: | Standard export packing or as customer's request | ||||||||||
Application: | Construction, building, bridge, road. ect | ||||||||||
Payment terms | 1).100% irrevocable L/C at sight. | ||||||||||
Delivery time | 15-30 days after receipt of L/C or deposit by T/T | ||||||||||
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
Our service
(1) We cooperate with famous factories with advanced equipment and well trained workers.
(2) We can provide factory price with trading company service.
(3) We continuously work on the improvement of our processes, guaranteeing consistently high standards
of quality to keep none compensation.
(4) We guarantee 24 hours response and 48 hours solution providing service.
(5) We accept small order quantity before formal cooperation.
(6) We deliver the agreed quality at the agreed time, reacting to changes in customer wishes in a flexible way.
(7) Due to our volume and selling power, we have excellent freight rates with shipping lines.
(8) We strive to always be fair and honest in our dealings with customers.
(9) We strive to work together with customers to achieve much more than we can achieve alone.
(10) Through our passion and commitment we aim to be a market leader in all our key markets. To maintain
our position as market leader we must continue to add value in all that we do.
FAQ:
1.Q: What's your MOQ(minimum order quantity)?
A: One full container, mixed acceptable .
2. Q: What's your packing methods?
A: Packed in bundle or bulk ..
3. Q: How can I buy CNBM products in my country?
A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country
4. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
5. Q: How long does it take to get the product if i place an order?
A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations
- Q: How are steel rebars protected during the concrete pouring process?
- Steel rebars are typically protected during the concrete pouring process through the use of a protective coating, such as epoxy or zinc, which helps prevent corrosion and maintain their structural integrity. Additionally, proper concrete mix design and placement techniques are employed to ensure that rebars are adequately surrounded and encased in concrete, providing further protection against environmental factors.
- Q: What is the effect of steel rebars on the seismic performance of a structure?
- Steel rebars have a significant positive effect on the seismic performance of a structure. By reinforcing the concrete, rebars enhance the strength and ductility of the building, allowing it to better withstand seismic forces. This reinforcement helps prevent structural failure, reduces the risk of collapse, and improves overall stability during an earthquake.
- Q: What are the main uses of threaded steel?
- The difference between round bar and round bar is that the surface has longitudinal ribs and transverse ribs, usually with two longitudinal ribs and transverse ribs uniformly distributed along the length direction.
- Q: How are steel rebars used in the construction of water treatment plants?
- Steel rebars are used in the construction of water treatment plants to reinforce and strengthen the concrete structures. These rebars are embedded within the concrete to provide added tensile strength, durability, and resistance against the harsh conditions encountered in water treatment facilities.
- Q: What are the guidelines for proper placement of steel rebars in concrete structures?
- To ensure the structural integrity and durability of concrete structures, it is crucial to place steel rebars correctly. Here are some guidelines to follow for proper rebar placement: 1. Consider the Design: Begin by referring to the structural drawings and specifications provided by the engineer. These documents will outline the required rebar sizes, spacing, and any specific details or arrangements needed for the project. 2. Determine Rebar Size and Spacing: The size and spacing of rebars should be based on the structural requirements and load-bearing capacity of the concrete structure. Adhere to the design specifications for the diameter and spacing of rebars to provide sufficient reinforcement. 3. Maintain Concrete Cover: The distance between the outer surface of the rebar and the edge of the concrete is called the concrete cover. This cover protects the rebars from corrosion and provides fire resistance. It is essential to maintain the specified concrete cover to ensure the rebars' longevity. 4. Consider Lap Length: When rebars need to be spliced or joined together, a lap length is specified. This length ensures enough overlap for stress transfer between rebars and prevents weak points in the structure. 5. Align and Position Rebars: Properly align and position rebars within the concrete formwork. Place them in the center of the concrete section to effectively resist tension and compression forces. Spacers or chairs can be used to maintain the desired rebar position during concrete pouring and setting. 6. Maintain Clearances and Edge Distance: Adequate clearances between rebars must be maintained to allow proper concrete flow during casting. Similarly, minimum edge distances should be maintained to prevent rebar corrosion and ensure proper concrete cover. 7. Tie and Fix Rebars: Securely tie and fix rebars at intersections to prevent displacement during concrete placement. Properly tying rebars using wire or approved connectors helps maintain their position and ensures the concrete's structural integrity. 8. Conduct Inspections and Quality Control: Regular inspections should be carried out during the concrete pouring process to verify correct rebar placement according to the design specifications. Address any deviations or discrepancies promptly to avoid compromising the structure's integrity. By following these guidelines, construction professionals can ensure the correct placement of steel rebars in concrete structures. This will result in safe and durable constructions that can withstand design loads and provide long-term structural stability.
- Q: How do steel rebars provide reinforcement in concrete?
- Steel rebars provide reinforcement in concrete by adding tensile strength to the concrete structure. When concrete is under tension, it tends to crack and fail. However, by embedding steel rebars within the concrete, they resist the tensile forces and prevent the cracks from propagating. This reinforcement ensures that the concrete structure remains strong, durable, and capable of withstanding various loads and stresses.
- Q: What are the main characteristics of steel rebars?
- The main characteristics of steel rebars include high strength, durability, corrosion resistance, and flexibility. They are commonly used in reinforced concrete structures to reinforce and provide tensile strength to the concrete.
- Q: What are the different types of steel rebars used in retaining walls?
- There are several types of steel rebars commonly used in retaining walls, including plain round bars, deformed bars, epoxy-coated bars, and galvanized bars. Plain round bars are smooth and typically used in low-load applications. Deformed bars have ribs or indentations that provide better adhesion with the concrete, making them suitable for high-load situations. Epoxy-coated bars have a protective coating that prevents corrosion and are often used in marine or corrosive environments. Galvanized bars are coated with a layer of zinc to enhance their resistance to rust and are commonly employed in areas with high moisture content. The choice of rebar type depends on the specific requirements of the retaining wall project.
- Q: Can steel rebars be used in reinforced concrete structures?
- Yes, steel rebars can be used in reinforced concrete structures.
- Q: How are steel rebars identified based on their grades?
- Steel rebars are identified based on their grades through markings or labels on the surface of the rebars. These markings typically indicate the grade of the steel rebars, which is determined by the strength and composition of the steel.
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Steel rebar Grade HRB400 for Construction
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 19000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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