Deformed Steel Bar, 10mm 12mm Steel Rebar
- Ref Price:
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- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 100000 m.t./month
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Product Description:
OKorder is offering Deformed Steel Bar, 10mm 12mm Steel Rebar 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 African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Deformed Steel Bar, 10mm 12mm Steel Rebar 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 Bar, 10mm 12mm Steel Rebar are durable, strong, and wide variety of sizes.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: HRB335,HRB400,HRB500
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Deformed Steel Bar | ||
Diameter (MM) | Cross Sectional Area (MM2) | Theorectical Weight (KG/M) |
6 | 28.27 | 0.222 |
8 | 50.27 | 0.395 |
10 | 78.54 | 0.617 |
12 | 113.1 | 0.888 |
14 | 153.9 | 1.21 |
16 | 201.1 | 1.58 |
18 | 254.5 | 2 |
20 | 314.2 | 2.47 |
22 | 380.1 | 2.98 |
25 | 490.9 | 3.85 |
28 | 615.8 | 4.83 |
32 | 804.2 | 6.31 |
36 | 1018 | 7.99 |
40 | 1257 | 9.87 |
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 | 0.04-0.12 | ||
Physics capability | ||||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation (%)
| ||||||
≥500 | ≥630 | ≥12 | ||||||
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 many tons of steel products could be loaded in containers?
A2: Usually the steel products are delivered by bulk vessel because of the large quantity and the freight. However, there are no bulk vessel enter some seaports so that we have to deliver the cargo by containers. The 6m steel product can be loaded in 20FT container, but the quantity is changed according to the size, usually from 18tons to 25tons.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.
Images:
- Q:Can steel rebars be used in cold storage construction?
- Yes, steel rebars can be used in cold storage construction. Steel rebars are commonly used in the construction of cold storage facilities due to their strength, durability, and ability to withstand low temperatures. They provide structural reinforcement to the concrete walls, floors, and ceiling, ensuring the integrity and stability of the cold storage structure. Additionally, steel rebars are resistant to corrosion, which is important in maintaining the longevity of the cold storage facility in a low-temperature environment.
- Q:What are steel rebars made of?
- Steel rebars, also known as reinforcement bars, are primarily made of carbon steel. Carbon steel is an alloy of iron and carbon, with other elements such as manganese, silicon, and copper added in small quantities to enhance its properties. The carbon content in steel rebars is typically around 0.2% to 0.3%, which provides the necessary strength and durability required for reinforcing concrete structures. The steel used for rebars undergoes a process called hot rolling, where it is heated to high temperatures and then passed through rollers to form the desired shape and size. This process helps to improve the mechanical properties and structural integrity of the rebars, making them suitable for applications that require added strength and support in concrete construction.
- Q:How do steel rebars affect the overall durability of a structure?
- The overall durability of a structure is greatly enhanced by the presence of steel rebars. These rebars play a crucial role in reinforcing concrete, contributing to the building's structural integrity and longevity. By distributing and withstanding tensile forces, they increase the load-bearing capacity of the structure. One of the primary advantages of steel rebars is their ability to resist cracking and prevent the propagation of cracks in concrete. Since concrete is weak in tension, introducing rebars helps absorb and distribute tensile stresses, reducing the likelihood of crack formation. This is particularly important in areas prone to seismic activity or other dynamic forces. Furthermore, rebars also exhibit excellent resistance to corrosion, which is a common threat to the durability of structures, especially those in coastal or humid environments. Typically, the steel used in rebars is treated with corrosion-resistant coatings or made from stainless steel, ensuring long-term protection against rust and deterioration. The inclusion of steel rebars in concrete structures also improves their resistance to fire. Steel has a high melting point, and when integrated into concrete, it acts as a heat sink, slowing down the spread of fire and allowing for additional time for evacuation and firefighting efforts. In conclusion, steel rebars greatly contribute to the overall durability of a structure by enhancing its resistance to cracking, corrosion, and fire. Their ability to reinforce concrete and withstand tensile forces ensures the structural stability and longevity of the building, making it more resilient to various environmental and man-made hazards.
- Q:What are the guidelines for the proper cover thickness of steel rebars?
- To guarantee the durability and strength of reinforced concrete structures, guidelines have been established to determine the appropriate thickness of steel rebars used in their construction. The term "cover thickness" refers to the distance between the outer surface of the rebar and the concrete edge or surface. The specific guidelines for cover thickness may differ depending on factors such as design requirements, environmental conditions, and the intended purpose of the structure. Nevertheless, there are generally accepted minimum values for cover thickness as outlined in various international building codes and standards. The primary objective of maintaining sufficient cover thickness is to shield the steel rebars from corrosion caused by environmental elements like moisture, carbonation, and chloride ingress. Corrosion can significantly weaken the rebars, compromising the structural integrity of the reinforced concrete. The recommended minimum cover thickness for steel rebars is determined based on the exposure conditions. For instance, in regular environmental conditions, a minimum cover thickness of 25mm to 40mm is usually specified. However, in more aggressive environments, such as coastal areas with high chloride content or structures in contact with soil, a greater cover thickness of 50mm or more may be necessary. Adhering to these guidelines is crucial to ensure the long-term durability and safety of the structure. Insufficient cover thickness can accelerate the corrosion of the rebars, resulting in reduced load-bearing capacity, cracks, and ultimately, structural failure. Therefore, it is essential to consult the relevant building codes, standards, and design professionals to determine the appropriate cover thickness for steel rebars in a specific construction project.
- Q:Can steel rebars be welded or spliced together?
- Yes, steel rebars can be welded or spliced together. This process involves connecting two or more rebars by either welding them using heat and electricity or by splicing them together using mechanical connectors.
- Q:What is the average lifespan of steel rebars in a concrete structure?
- The average lifespan of steel rebars in a concrete structure is typically around 50 to 100 years, depending on various factors such as the quality of the rebar, the environmental conditions, and the level of maintenance and corrosion protection provided.
- Q:What does it mean to have 22 4GJ on the threaded steel?
- The letters on the reinforcement are registered plant names or trademarks. The top figures on the bar represent the grade of the reinforcement, such as 3 for grade 2 steel, 4 for grade 3 steel, and 5 for grade 4 steel. The numbers in the back represent the specifications of the bars, and the letters between grades and specifications represent the steel manufacturer.
- Q:What is the recommended diameter of steel rebars for column reinforcement?
- The recommended diameter of steel rebars for column reinforcement can vary depending on factors such as the size and design of the column, the load it will bear, and the structural requirements. However, commonly used diameters for column reinforcement range from 12mm to 32mm.
- Q:Can steel rebars be used in dam construction?
- Yes, steel rebars can be used in dam construction. They are commonly used to reinforce concrete structures, including dams, to enhance their strength and durability.
- Q:How do steel rebars resist fatigue and creep?
- Steel rebars exhibit resistance to fatigue and creep by virtue of their inherent material properties and careful design considerations. Fatigue, the gradual weakening of a material caused by repeated cyclic loading, is effectively countered by the specific design of steel rebars. These rebars are purposely engineered to withstand fatigue through their exceptional tensile strength and ductility. The tensile strength of steel enables it to resist the stress imposed by cyclic loading, while its ductility allows it to deform without fracturing. This unique combination of properties equips steel rebars with the capability to endure numerous load cycles without experiencing failure. Moreover, the resistance of steel rebars to fatigue can be further fortified by employing various techniques, including heat treatment, surface coatings, and alloying. These methods serve to enhance the material's fatigue resistance and increase its longevity under cyclic loading conditions. On the other hand, creep refers to the gradual deformation of a material under constant sustained loading. Steel rebars effectively resist creep due to their high stiffness and resistance to plastic deformation. The stiffness of steel enables it to maintain its shape and resist deformation when subjected to sustained loads. Additionally, the resistance to plastic deformation prevents excessive stretching or elongation, which could lead to creep failure. To enhance the resistance of steel rebars to both fatigue and creep, proper design considerations play a crucial role. These considerations encompass factors such as appropriate reinforcement spacing, proper anchorage, and sufficient concrete cover to safeguard the rebars from external elements that may induce fatigue or creep. In conclusion, steel rebars offer resistance to fatigue and creep as a result of their high tensile strength, ductility, stiffness, and resistance to plastic deformation. By incorporating meticulous design considerations and potentially implementing supplementary techniques, steel rebars can withstand cyclic loading and sustained loads over extended periods, thereby ensuring their durability and structural integrity.
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Deformed Steel Bar, 10mm 12mm Steel Rebar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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