• Hot Rolled Steel HRB500 Deformed steel bar for Construction System 1
  • Hot Rolled Steel HRB500 Deformed steel bar for Construction System 2
  • Hot Rolled Steel HRB500 Deformed steel bar for Construction System 3
Hot Rolled Steel HRB500 Deformed steel bar for Construction

Hot Rolled Steel HRB500 Deformed steel bar for Construction

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
1000 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Steel HRB500 Deformed steel bar 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:

Hot Rolled Steel HRB500 Deformed steel bar for Construction 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 Hot Rolled Steel HRB500 Deformed steel bar for Construction 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:

 

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

 

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

Packaging & Delivery of  Hot Rolled d-bar Steel

1. Packing: it is nude packed in bundles by steel wire rod

2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load

3. Marks:

Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.

Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.

If loading by container the marking is not needed, but we will prepare it as customer request.

4. Transportation: the goods are delivered by truck from mill to loading port, the maximum quantity can be loaded is around 40MTs by each truck. If the order quantity cannot reach the full truck loaded, the transportation cost per ton will be little higher than full load.

5. Delivered by container or bulk vessel

 

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q4: What makes stainless steel stainless?

A4: 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.

Q5: Can stainless steel rust?

A5: 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.

 

Images:

Q:What is the process of deforming steel rebars for better adhesion with concrete?
The process of deforming steel rebars for better adhesion with concrete is known as ribbing or rib deformation. This process involves creating small ridges or raised patterns along the surface of the rebar, which enhances the bond between the concrete and the steel. The ribbing process is typically performed through a mechanical operation called cold rolling. Cold rolling is a metalworking process where the steel rebar is passed through a series of rollers, which exert pressure on the surface and cause plastic deformation. The rollers are designed with specific patterns or configurations that create the desired ribbing on the rebar. The purpose of ribbing is to increase the surface area of the rebar in contact with the concrete. The ridges or patterns created by the ribbing process provide additional points of adhesion for the concrete to grip onto, significantly improving the bond strength between the two materials. This enhanced bond is crucial for reinforcing concrete structures, as it helps to distribute loads and resist tensile forces. The ribbing process is commonly used in the construction industry for reinforcing concrete structures such as beams, columns, and slabs. The specific pattern and depth of the ribbing may vary depending on the project requirements and the type of rebar being used. Manufacturers often adhere to industry standards and guidelines to ensure the proper design and placement of ribbed rebars. In summary, the process of deforming steel rebars for better adhesion with concrete involves ribbing or creating ridges on the rebar's surface. This is achieved through cold rolling, where the rebar is passed through rollers designed with specific patterns. Ribbing increases the surface area and provides additional points of adhesion, improving the bond between the concrete and the rebar.
Q:What are the different types of steel rebars used in marine constructions?
In marine construction, several types of steel rebars are commonly used due to their specific properties and resistance to corrosion in saltwater environments. The different types of steel rebars used in marine constructions include: 1. Stainless steel rebars: Stainless steel rebars are highly resistant to corrosion, making them an ideal choice for marine applications. They contain chromium, which forms a protective oxide layer on the surface, preventing rust and corrosion. Stainless steel rebars are available in various grades, such as 304 and 316, with 316 being the most commonly used due to its higher corrosion resistance. 2. Galvanized steel rebars: Galvanized steel rebars are carbon steel rebars that have been coated with a layer of zinc. This coating acts as a barrier, protecting the steel from saltwater corrosion. Galvanized rebars are cost-effective and widely used in marine constructions. 3. Epoxy-coated steel rebars: Epoxy-coated rebars are carbon steel rebars that have been coated with an epoxy layer. This coating provides excellent protection against corrosion by acting as a barrier between the steel and the saltwater environment. Epoxy-coated rebars are commonly used in marine structures where the concrete is exposed to seawater or other corrosive agents. 4. Fiberglass rebars: Fiberglass rebars are made of high-strength glass fibers embedded in a polymer matrix. They are lightweight, non-corrosive, and have high tensile strength. Fiberglass rebars are an excellent alternative to traditional steel rebars in marine constructions, as they do not corrode in saltwater environments. 5. Titanium rebars: Titanium rebars are extremely corrosion-resistant and lightweight, making them suitable for marine applications. However, titanium rebars are more expensive than other types of steel rebars and are typically used in high-performance marine structures or specific applications where corrosion resistance is critical. Each type of steel rebar mentioned above has its own advantages and limitations, and the selection of the appropriate type depends on factors such as the project requirements, budget, and environmental conditions. It is essential for engineers and designers to consider these factors and choose the most suitable steel rebar for marine construction projects to ensure the durability and longevity of the structures.
Q:What's the difference between rebar and thread steel?
Physical and mechanical properties are different. Because of the different chemical composition and strength of reinforcing steel, they are different in physical and mechanical properties. The cold bending property of steel is good, can make the hook 180, screw steel can only make straight hook 90 degrees; steel weldability is good, with ordinary carbon steel electrode can be used to low alloy electrode; anti fatigue performance and toughness in steel bar is good.
Q:How are steel rebars used in retaining walls?
Steel rebars are used in retaining walls to provide reinforcement and strength to the concrete structure. These rebars are strategically placed within the wall to resist the lateral pressure exerted by the soil behind it. This reinforcement helps prevent the wall from cracking or collapsing under the load, ensuring its stability and longevity.
Q:How do steel rebars affect the thermal properties of a structure?
Steel rebars, which are commonly used in reinforced concrete structures, can have a significant impact on the thermal properties of a building or structure. Firstly, steel has a higher thermal conductivity compared to concrete. This means that when steel rebars are embedded within concrete, they can act as thermal bridges, allowing heat to transfer more easily through the structure. This can result in increased heat loss during colder months and increased heat gain during warmer months, leading to higher energy consumption for heating and cooling. Secondly, steel rebars can affect the thermal expansion and contraction of the structure. Steel has a higher coefficient of thermal expansion compared to concrete, meaning it expands and contracts more with changes in temperature. This differential movement between the steel rebars and the surrounding concrete can lead to cracks and structural deformations, which can compromise the overall thermal performance of the structure. Furthermore, steel rebars can also influence the moisture behavior of a structure. Steel has a higher thermal conductivity than concrete, as mentioned earlier, but it also has a higher electrical conductivity. This electrical conductivity can promote the corrosion of steel rebars when they come into contact with moisture or water. Corrosion can lead to the formation of rust, which expands and can further damage the surrounding concrete. This can result in increased moisture ingress, compromising the insulation properties of the structure and potentially leading to mold growth and other moisture-related issues. In conclusion, steel rebars have both direct and indirect impacts on the thermal properties of a structure. They can act as thermal bridges, affecting heat transfer, and their differential thermal expansion and corrosion potential can compromise the overall thermal performance and moisture behavior of the structure. Proper design, insulation, and corrosion protection measures should be taken into consideration to mitigate these effects and ensure optimal thermal performance.
Q:How do steel rebars prevent the concrete from cracking under tension?
Steel rebars prevent concrete from cracking under tension by providing reinforcement and increasing the tensile strength of the concrete. When the concrete undergoes tensile stress, which is the force that tends to pull it apart, the rebars distribute the stress across a larger area and absorb some of the tension. This helps to prevent the concrete from cracking by reducing the amount of stress applied to any one area and providing additional strength to withstand the forces acting upon it.
Q:How are steel rebars used in construction?
Construction projects rely heavily on steel rebars, also known as reinforcing bars, to ensure the strength and stability of concrete structures. These rebars are strategically placed within the concrete formwork in a grid pattern before the concrete is poured. This grid formation effectively distributes tensile forces, preventing cracks and improving structural integrity. To achieve optimal reinforcement and withstand anticipated loads, rebars are placed at specific locations within the concrete elements. They are spaced apart at predetermined intervals, following design and engineering specifications. During the concrete pouring process, the wet concrete envelopes the rebars, establishing a strong bond between the two materials. As the concrete hardens and cures, it firmly grips the rebars, creating a composite structure capable of withstanding bending, shearing, and other types of stress. Steel rebars come in various sizes and grades, tailored to meet the unique requirements of each construction project. Typically made from carbon steel, they may have different surface finishes to enhance their bonding capabilities with concrete. In addition to providing strength, rebars also play a vital role in controlling cracking caused by shrinkage, temperature changes, and external forces. By absorbing and distributing these forces, they minimize the risk of structural failure, ensuring the overall stability and durability of concrete components. In summary, steel rebars are indispensable in construction as they reinforce concrete structures, increase load-bearing capacity, and prolong the lifespan of buildings and infrastructure. Proper placement and utilization of rebars are crucial for building resilience, ensuring safety, and maintaining structural integrity.
Q:Cold drawn steel wire is a round bar or thread steel in Construction Engineering
Cold drawn steel wire belongs to round bar in building engineering, and it is thread steel after coining. But the material of steel is not good. Who knows what material he made?.
Q:How do steel rebars contribute to the overall durability and service life of concrete structures?
Steel rebars contribute to the overall durability and service life of concrete structures in several ways. Firstly, steel rebars are used in concrete structures to enhance their tensile strength. While concrete is strong in compression, it is relatively weak in tension. By adding steel rebars, which have high tensile strength, to the concrete, the overall strength and load-bearing capacity of the structure are significantly increased. This helps the structure to withstand external forces such as wind, earthquakes, or heavy loads, reducing the risk of structural failure and increasing its overall durability. Secondly, steel rebars play a crucial role in preventing cracking and controlling the propagation of cracks in concrete structures. Concrete has a tendency to shrink and crack when it dries and undergoes temperature changes. The presence of steel rebars helps to distribute these forces and stresses throughout the structure, minimizing the formation and widening of cracks. By restricting crack propagation, the rebars contribute to the overall structural integrity and longevity of the concrete structure. Furthermore, steel rebars provide reinforcement against corrosion. Concrete is highly alkaline, which creates a protective layer around the steel rebars, known as the passivation layer. This layer prevents the steel rebars from rusting and corroding when exposed to moisture or aggressive chemicals. By maintaining the integrity of the rebars, the overall durability and service life of the concrete structure are enhanced. In addition, steel rebars are essential in improving the structural stability and resilience of concrete structures. By providing reinforcement and stiffness to the concrete, they help to distribute and dissipate the applied loads and stresses evenly. This reduces the risk of localized failure and increases the ability of the structure to withstand external forces and deformations. The presence of steel rebars also improves the structural behavior of the concrete, making it more resilient to dynamic forces such as vibrations or impacts. Overall, steel rebars significantly contribute to the overall durability and service life of concrete structures. They enhance the tensile strength of the concrete, prevent cracking and control crack propagation, provide reinforcement against corrosion, and improve the structural stability and resilience. By incorporating steel rebars in concrete construction, engineers can create robust and long-lasting structures that can withstand various challenges and ensure the safety and longevity of the built environment.
Q:How do steel rebars contribute to the fire resistance of concrete?
Steel rebars contribute to the fire resistance of concrete in several ways. Firstly, steel has a high melting point and is a non-combustible material, which means it does not burn or add fuel to a fire. This property of steel rebars helps prevent the spread of fire and provides structural stability to the concrete during a fire event. Additionally, steel rebars act as a reinforcement within the concrete, enhancing its overall strength and load-bearing capacity. This reinforcement helps to prevent the concrete from cracking or breaking apart under high temperatures caused by a fire. The presence of steel rebars also improves the ductility of the concrete, allowing it to deform and absorb energy during a fire, rather than shattering or collapsing suddenly. Moreover, the thermal conductivity of steel is higher than that of concrete, meaning it can conduct heat away from the fire zone more effectively. This helps to dissipate heat and prevent it from reaching critical levels that could compromise the structural integrity of the concrete. By absorbing and distributing heat, steel rebars help to slow down the rate of temperature rise within the concrete during a fire. In summary, steel rebars contribute to the fire resistance of concrete by providing structural stability, enhancing strength and load-bearing capacity, improving ductility, and dissipating heat. These properties make concrete structures reinforced with steel rebars more resilient and capable of withstanding fire events for a longer duration, thereby increasing the safety of occupants and reducing potential property damage.

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