S65C deformed steel bars for construction standard

S65C deformed steel bars for construction standard System 1

S65C deformed steel bars for construction standard

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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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Specifications

1.commodity:deformed steel bars
2.grade:ASTM A615 HRB335 HRB400 HRB500 BS4449 grade460
3.size:6#-32#
4.length:6m 9m 12m

We henglong can offer high quality deformed steel bar

grade:ASTM A615 BS4449 GRADE460 HRB335 HRB400 HRB500
size:6# to 32#
length:6M 9M 12M

Chemistry %
Designation	Chief component		Impurities maxmium
Designation	Ta	Nb	Fe	Si	Ni	W	Mo	Ti	Nb	O	C	H	N
Ta1	Remainder		0.004	0.003	0.002	0.004	0.004	0.002	0.03	0.015	0.004	0.0015	0.002
Ta2	Remainder		0.01	0.01	0.005	0.02	0.02	0.005	0.08	0.02	0.01	0.0015	0.01

Permissible variations in diameter for rods

Diameter, inch (mm)	Tolerance, +/-inch (mm)
0.125~0.187 excl (3.175~4.750)	0.003 (0.076)
0.187~0.375 excl (4.750~9.525)	0.004 (0.102)
0.375~0.500 excl (9.525~12.70)	0.005 (0.127)
0.500~0.625 excl (12.70~15.88)	0.007 (0.178)
0.625~0.750 excl (15.88~19.05)	0.008 (0.203)
0.750~1.000 excl (19.05~25.40)	0.010 (0.254)
1.000~1.500 excl (25.40~38.10)	0.015 (0.381)
1.500~2.000 excl (38.10~50.80)	0.020 (0.508)
2.000~2.500 excl (50.80~63.50)	0.030 (0.762)

For more details please go to our website, and welcome to China to visit our company.

Special requirements to be agreed on by the supplier and buyer of negotiation.

Note:

1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.

2. Other Grade and Standard Deformed Steel Bar we can supply:

Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S

Standard: ASTM, BS, DIN

The Minimum Order Quantity of these products is high, and need to be confirmed.

3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.

4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.

S65C deformed steel bars for construction standard

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: How do steel rebars prevent concrete structures from spalling?: Steel rebars prevent concrete structures from spalling by providing reinforcement and increasing the tensile strength of the structure. When concrete undergoes temperature changes or experiences external forces, it tends to expand or contract, leading to cracking and spalling. However, with the presence of steel rebars, these forces are distributed throughout the structure, preventing the concrete from cracking and breaking apart. The rebars act as a support system, holding the concrete together and ensuring its stability and durability, thus preventing spalling.

Q: How do steel rebars affect the durability of concrete structures?: Steel rebars greatly enhance the durability of concrete structures. By reinforcing the concrete, rebars improve its tensile strength, preventing cracking and enhancing its ability to withstand external forces and loads. This reinforcement also helps to increase the overall lifespan of the structure, making it more resistant to corrosion, fatigue, and other forms of degradation.

Q: What is the maximum diameter of steel rebars available in the market?: The maximum diameter of steel rebars available in the market can vary, but commonly ranges from 40mm to 50mm.

Q: Can steel rebars be used in underground parking garage construction?: Indeed, steel rebars find utility in the construction of underground parking garages. They are frequently employed in the reinforcement of concrete structures, including those built below the ground level. By endowing the concrete with strength and reinforcement, the rebars enable it to withstand the immense weight and pressure exerted by the structure above. Moreover, steel rebars possess remarkable resistance to corrosion—a quality of utmost significance in subterranean environments where moisture and other corrosive agents are likely to exist. In summary, steel rebars emerge as a dependable and widely preferred option for reinforcing concrete during the construction of underground parking garages.

Q: How do steel rebars help in preventing cracks in concrete structures?: Steel rebars help in preventing cracks in concrete structures by providing reinforcement and increasing the tensile strength of the concrete. Concrete is strong in compression but weak in tension, and when subjected to external forces or changes in temperature, it tends to crack. However, by embedding steel rebars within the concrete, the tensile forces are transferred to the rebars, preventing the concrete from cracking. The rebars act as a skeleton within the concrete, distributing the tension forces evenly and preventing the formation of large cracks. This reinforcement also helps to control the size and width of any cracks that do occur, minimizing their impact on the overall structural integrity. Moreover, steel rebars help in preventing cracks by improving the ductility of the concrete. Ductility refers to the ability of a material to deform without breaking. The steel rebars provide flexibility to the concrete, allowing it to undergo small deformations without cracking. In addition, steel rebars also help in preventing cracks by reducing the effects of shrinkage and expansion. Concrete tends to shrink as it dries and expands when exposed to high temperatures. These shrinkage and expansion forces can lead to cracking, but the presence of steel rebars helps to counteract these effects by absorbing and distributing the forces. Overall, steel rebars play a crucial role in preventing cracks in concrete structures by reinforcing the concrete, increasing its tensile strength, improving its ductility, and countering the effects of shrinkage and expansion. This reinforcement ensures the structural integrity and durability of the concrete, making it more resistant to cracking and enhancing its overall performance and longevity.

Q: Are steel rebars eco-friendly?: Steel rebars are not inherently eco-friendly as they are made from mined iron ore and have a significant carbon footprint during the manufacturing process. However, they can be considered more sustainable compared to alternatives like concrete rebars as steel can be recycled indefinitely, reducing the need for new production and minimizing waste. Additionally, steel rebars provide strength and durability to structures, leading to longer lifespans and potentially reducing the environmental impact associated with frequent repairs and replacements.

Q: How do steel rebars affect the overall fire rating of a building?: Steel rebars can have a positive impact on the overall fire rating of a building. By reinforcing concrete structures, rebars can help enhance the fire resistance of the building. Steel has high melting and ignition temperatures, which means it can withstand heat and maintain its structural integrity for longer periods during a fire. This additional durability provided by rebars can help prevent structural collapse, allowing occupants more time to evacuate safely and aiding firefighters in their efforts to suppress the fire.

Q: What is the process of reinforcing existing concrete structures with steel rebars?: Enhancing the strength and durability of existing concrete structures with steel rebars involves a series of steps. To begin, a thorough assessment of the concrete structure is conducted to determine its condition and identify areas in need of reinforcement. This involves inspecting the concrete for cracks, signs of degradation, or any other structural issues. Once the areas requiring reinforcement are identified, the next step is surface preparation. This involves cleaning the concrete surface to remove any loose debris, dirt, or contaminants that could hinder the bonding of the rebars with the concrete. Various methods, such as pressure washing or sandblasting, can be used for this purpose. Following surface preparation, the rebars are strategically placed within the concrete structure. The positioning and spacing of the rebars are crucial to ensure optimal reinforcement and structural integrity. This is typically accomplished by drilling holes or creating channels in the concrete where the rebars will be placed. Afterward, the rebars are inserted into the holes or channels, ensuring proper alignment and securing. The rebars are typically cut to the required length and bent into the desired shape to meet the specific reinforcement needs of the structure. Once the rebars are in place, they are anchored or secured to the existing concrete by various means. This can be achieved through the use of epoxy adhesive, mechanical anchors, or embedding the rebars into fresh concrete poured around them. Finally, the concrete is restored to its original condition, covering the rebars and creating a smooth and even surface. This may involve patching up any holes or channels created during the reinforcement process and finishing the surface to match the surrounding concrete. In conclusion, the process of reinforcing existing concrete structures with steel rebars necessitates careful planning, proper surface preparation, precise placement of rebars, secure anchoring, and appropriate finishing to achieve a strengthened and long-lasting structure.

Q: What is the standard size of steel rebars?: The standard size of steel rebars varies depending on the country and industry standards. However, in many countries, the most commonly used standard sizes of steel rebars range from 6mm to 40mm in diameter.

Q: How do steel rebars affect the overall load distribution of concrete structures?: The load distribution of concrete structures is critically influenced by steel rebars, which play an essential role. Reinforcement is provided by steel rebars, enhancing the overall strength and durability of the concrete. Concrete is strong in compression but weak in tension, which is counterbalanced by embedding steel rebars within it. This ensures a more even distribution of the load and helps prevent cracks and structural failures by absorbing and distributing tensile forces exerted on the concrete. The presence of steel rebars effectively transfers tension forces to the surrounding concrete as the load is applied to the structure. This mechanism of load transfer results in a more balanced distribution of forces throughout the structure. The steel rebars work in harmony with the highly compression-resistant concrete, preventing excessive deflection and maintaining the structural integrity of the overall system. This is particularly crucial in large-scale concrete structures like bridges, high-rise buildings, and dams, where careful load distribution is necessary for stability. In conclusion, steel rebars have a significant impact on the load distribution of concrete structures, reinforcing the concrete and enhancing its tensile strength. They work in partnership with the concrete to ensure an even distribution and transfer of the load, preventing cracks and structural failures. The combination of steel rebars and concrete creates a robust and dependable structural system capable of withstanding applied loads and ensuring long-term safety.

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