China supplier Metallic material steel rebar

China supplier Metallic material steel rebar

Ref Price:

Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 17497 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Deformed Steel Rebars

HRB335 Steel Rebars

HR Steel Rebar

High Quality Deformed Steel Rebars

Deformed Steel Bar Reinforced Deformed Steel Bar HRB400

HIGH QUALITY HOT ROLLED STEELDIN STANDARD REBAR

A615 deformed steel bar for construction

Concrete Reinforcing Steel Bar from 8mm to 40mm

Specification

Standard:

AISI

Technique:

Hot Rolled

Shape:

Round

Surface Treatment:

Dry

Steel Grade:

Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400

Certification:

ISO,CE

Thickness:

6-40mm

Length:

6M/12M

Net Weight:

1.5-2mt

Rebar has ridges that bind it mechanically to the concrete with friction, it can still be pulled out of the concrete

under high stresses, an occurrence that often precedes a larger-scale collapse of the structure. To prevent such

a failure, rebar is either deeply embedded into adjacent structural members, or bent and hooked at the ends to lock

it around the concrete and other rebars. This first approach increases the friction locking the bar into place while the

second makes use of the high compressive strength of concrete.

Rebar is common steel reinforcing bar, an important component of reinforced concrete and reinforced masonry structures.

It is usually formed from mild steel, and is given ridges for better frictional adhesion to the concrete

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. 2).30% T/T prepaid and the balance against the copy of B/L. 3).30% T/T prepaid and the balance against L/C
Delivery time	15-30 days after receipt of L/C or deposit by T/T

China supplier Metallic material steel rebar

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.

Packing:

In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.

China supplier Metallic material steel rebar

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 do steel rebars affect the overall construction schedule?: Steel rebars can have a significant impact on the overall construction schedule. They are essential components in concrete structures, providing strength and stability. However, their installation can be time-consuming as it requires careful placement and securing. Delays in rebar installation can potentially affect subsequent construction activities, such as concrete pouring and curing. Therefore, efficient planning and coordination of rebar installation are crucial to ensure the construction schedule remains on track.

Q: What are the factors that affect the strength of steel rebars?: The strength of steel rebars can be affected by several factors. These factors include the composition of the steel bar, the manufacturing process used, the size and shape of the rebar, heat treatment processes, corrosion, and the loading conditions applied to the rebars. The composition of the steel bar is crucial in determining its strength. Steel rebars typically contain carbon, with a content ranging from 0.15% to 0.6%. This carbon content affects the hardness and strength of the rebar. Additionally, other elements such as manganese, silicon, and sulfur can also impact the rebar's strength. The manufacturing process used to produce the steel rebars can also influence their strength. Hot rolling is commonly employed, which involves heating the steel billets to high temperatures and shaping them by passing them through rollers. The cooling rate during this process can cause variations in the internal microstructure of the bar, resulting in differences in strength. The size and shape of the rebar are significant factors in determining its strength. Thicker and larger diameter rebars generally have higher strength capacities compared to thinner ones. Furthermore, the shape of the rebar, whether it is a plain round bar or has deformations like ribs, can also impact its strength. Heat treatment processes can be applied to steel rebars to enhance their strength. For example, quenching and tempering involve heating the rebar to a high temperature and then rapidly cooling it, increasing its strength and hardness. The specific heat treatment process used depends on the desired strength requirements. Corrosion can significantly reduce the strength of steel rebars over time. When exposed to moisture and oxygen, steel rebars can rust, leading to structural degradation. Proper corrosion protection measures, such as epoxy coating or galvanization, are essential for maintaining the strength and durability of the rebars. The type and magnitude of the applied loads also influence the strength of steel rebars. Different applications require rebars with varying strength capacities. Therefore, the design and engineering of structures should consider the expected loads to determine the appropriate strength of the rebars used. In conclusion, the strength of steel rebars is influenced by their composition, manufacturing process, size and shape, heat treatment, corrosion protection, and the loading conditions they will experience. It is crucial to consider these factors when selecting and using steel rebars in construction projects.

Q: How are steel rebars used in railway track construction?: Steel rebars are used in railway track construction to reinforce the concrete sleepers or ties that support the tracks. They provide strength and stability to the tracks, ensuring they can withstand the heavy loads and constant vibrations of trains passing over them. The rebars are embedded within the concrete during the sleeper casting process, enhancing the overall durability and longevity of the railway tracks.

Q: Can steel rebars be cut to custom lengths?: Yes, steel rebars can be cut to custom lengths. Rebars are typically available in standard lengths, but they can be easily cut to fit specific project requirements. This can be done using various tools such as an angle grinder, cutting torch, or a hydraulic rebar cutter. It is important to use proper safety measures and techniques when cutting steel rebars to ensure accurate cuts and prevent any accidents or injuries.

Q: What is the impact of steel rebars on the constructability of a project?: The constructability of a project is greatly affected by steel rebars, which play a vital role in reinforcing and providing structural integrity to concrete structures. By incorporating steel rebars, the overall strength, durability, and resilience of a construction project are significantly improved. One important impact of using steel rebars is the increased load-bearing capacity of the structure. Rebars are designed to withstand tension, complementing the concrete's ability to resist compression. This combination enhances the structural strength of the project, enabling it to withstand heavy loads and external forces, such as earthquakes or high winds. Moreover, steel rebars also enhance the ductility of the concrete structure. Ductility refers to the material's ability to deform without breaking. By adding rebars, the concrete becomes more flexible, allowing it to absorb energy and deform under stress before reaching its breaking point. This is particularly important in areas prone to seismic activities, as it helps prevent sudden and catastrophic failure of the structure. Another aspect of constructability affected by steel rebars is the overall lifespan of the project. The corrosion resistance properties of rebars, especially when coated or galvanized, significantly extend the lifespan of the structure. This is particularly relevant in environments with high humidity, coastal areas, or regions with harsh weather conditions. By preventing corrosion and maintaining the integrity of the rebars, the entire project's longevity and durability are greatly enhanced. Additionally, steel rebars also facilitate the construction process itself. Their availability in various lengths, shapes, and sizes allows for flexible and efficient design and construction. Contractors can easily cut, bend, and shape rebars to fit specific project requirements, reducing construction time and costs. Moreover, rebars can be prefabricated off-site, minimizing on-site labor and simplifying the construction process. In conclusion, the impact of steel rebars on the constructability of a project is highly significant. They improve the overall strength, load-bearing capacity, ductility, and lifespan of the structure. Additionally, the flexibility and ease of use of steel rebars contribute to efficient construction practices. Therefore, incorporating steel rebars into a project is essential for ensuring its structural integrity and long-term success.

Q: Can steel rebars be used in modular bridges?: Yes, steel rebars can be used in modular bridges. Steel rebars are commonly used as reinforcement in concrete structures, including bridges. In modular bridges, where pre-fabricated components are assembled on-site, steel rebars can be used to strengthen the concrete elements and provide additional support for the structure. The rebars are embedded within the concrete elements to enhance their tensile strength and prevent cracking or collapsing under heavy loads. This reinforcement ensures the durability and stability of the modular bridge, making it a reliable and safe transportation solution.

Q: What is the role of steel rebars in preventing concrete creep?: Steel rebars play a crucial role in preventing concrete creep by providing reinforcement and stability to the concrete structure. The rebars act as a framework within the concrete, distributing the tensile forces and preventing the concrete from deforming or cracking over time. Additionally, steel rebars help to control the shrinkage and expansion of concrete, minimizing the potential for creep and ensuring the long-term durability and integrity of the structure.

Q: Can steel rebars be used in high-rise building construction?: Yes, steel rebars can be used in high-rise building construction. Steel rebars are widely used in the construction industry due to their strength and durability. In high-rise buildings, where the structural integrity is crucial, steel rebars are commonly used to reinforce concrete and provide extra strength to withstand the vertical and lateral forces.

Q: What are the common mistakes to avoid while using steel rebars in construction?: Some common mistakes to avoid while using steel rebars in construction include improper placement and spacing of rebars, inadequate concrete cover, failure to clean and remove rust from rebars, and using rebars that do not meet the necessary standards and specifications.