ASTM, GB Standard Hot Rolled Deformed Steel Rebars

ASTM, GB Standard Hot Rolled Deformed Steel Rebars System 1

ASTM, GB Standard Hot Rolled Deformed Steel Rebars

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Loading Port:: Lianyungang

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Specifications of ASTM, GB Standard Hot Rolled Deformed Steel Rebars:

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

Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)

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

Theoretical weight and section area of each diameter as below for your information:

Diameter(mm)	Section area (mm²)	Mass(kg/m)	Weight of 12m bar(kg)
6	28.27	0.222	2.664
8	50.27	0.395	4.74
10	78.54	0.617	7.404
12	113.1	0.888	10.656
14	153.9	1.21	14.52
16	201.1	1.58	18.96
18	254.5	2.00	24
20	314.2	2.47	29.64
22	380.1	2.98	35.76
25	490.9	3.85	46.2
28	615.8	4.83	57.96
32	804.2	6.31	75.72
36	1018	7.99	98.88
40	1257	9.87	118.44
50	1964	15.42	185.04

Usage and Applications of ASTM, GB Standard Hot Rolled Deformed Steel Rebars:

Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..

Packaging & Delivery of ASTM, GB Standard Hot Rolled Deformed Steel Rebars:

Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.

Each bundle weight: 2-3MT, or as required

Payment term: TT or L/C

Delivery Detail: within 45 days after received advanced payment or LC.

Label: to be specified by customer, generally, each bundle has 1-2 labels

Trade terms: FOB, CFR, CIF

Deformed Steel Bar in container

Deformed Steel Bar in factory

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.

Q: Can steel rebars be used in structures with high seismic activity?: Yes, steel rebars can be used in structures with high seismic activity. Steel rebars are commonly used in seismic-resistant structures due to their high strength and ductility, which allows them to absorb and dissipate seismic energy effectively. Additionally, steel rebars can be designed and reinforced to enhance the overall seismic performance of a structure, making them a suitable choice for buildings located in regions prone to earthquakes.

Q: What are the different types of coating available for steel rebars?: Steel rebars have a variety of coating options, each with its own unique qualities and advantages. Some commonly used coatings are: 1. Epoxy Coating: This coating is excellent at preventing corrosion and is often used in environments with moisture or harsh chemicals. It forms a protective barrier that extends the rebars' lifespan. 2. Zinc Coating: Also known as galvanization, this widely used coating offers excellent corrosion resistance. It acts as a sacrificial layer that corrodes before the rebars, preventing rust and increasing their longevity. 3. Polyethylene Coating: This thermoplastic coating is ideal for situations requiring electrical insulation. It is highly resistant to moisture, chemicals, and abrasion, making it suitable for various environments. 4. Fusion-Bonded Epoxy Coating: Applied through heat and pressure, this coating offers exceptional adhesion and corrosion resistance. It is particularly effective in harsh settings like marine or industrial applications. 5. Powder Coating: This dry finishing process involves applying a fine powder to the rebars and curing it in an oven. It creates a durable and protective coating that resists corrosion, chemicals, and UV radiation. With a wide range of available colors, powder coating is popular for decorative applications. These examples represent just a fraction of the coating options available for steel rebars. The choice of coating depends on specific project requirements, including environmental conditions, expected lifespan, and desired performance characteristics.

Q: How do steel rebars contribute to the overall occupant comfort of a building?: Steel rebars play a crucial role in contributing to the overall occupant comfort of a building in several ways. First and foremost, steel rebars are used to reinforce concrete structures, such as walls, columns, and beams, which provide stability and strength to the building. This ensures that the structure can withstand external forces, such as wind, earthquakes, or heavy loads, without compromising the safety of the occupants. The reinforced concrete also helps to reduce vibrations, minimizing the discomfort caused by movement or shaking of the building. Additionally, steel rebars enhance the durability of the building, preventing cracks and deterioration over time. This is essential for maintaining a comfortable indoor environment as it helps to prevent water leaks, moisture penetration, and the growth of mold or mildew. By preventing these issues, steel rebars contribute to maintaining a healthy and comfortable living space for the occupants. Moreover, steel rebars are often used in the construction of high-rise buildings, which are prone to thermal expansion and contraction. By reinforcing the concrete structure, steel rebars help to minimize the effects of temperature changes, reducing the risk of structural damage and ensuring a consistent indoor temperature. This contributes to a comfortable environment for the occupants, as it helps to regulate the temperature and prevents drafts or heat loss. Furthermore, steel rebars also play a crucial role in fire resistance. Concrete structures reinforced with steel rebars have a higher fire resistance compared to other materials. This is because steel has a high melting point and does not burn, providing additional time for occupants to evacuate the building in the event of a fire. This increased fire resistance contributes to the overall occupant comfort by enhancing their safety and reducing the risk of injuries or fatalities. In conclusion, steel rebars contribute significantly to the overall occupant comfort of a building by providing stability, durability, thermal regulation, and fire resistance. Their role in reinforcing concrete structures ensures the safety, longevity, and functionality of the building, ultimately creating a comfortable and secure environment for the occupants.

Q: What is the impact of steel rebars on the overall acoustic performance of a structure?: Steel rebars have a minimal impact on the overall acoustic performance of a structure. While they may conduct sound vibrations to some extent, the effect is typically negligible compared to other factors such as wall materials, insulation, and construction techniques.

Q: Can steel rebars be used in the construction of underground parking garages?: Yes, steel rebars can be used in the construction of underground parking garages. Steel rebars provide reinforcement and strength to the concrete structures, making them suitable for use in underground parking garages where durability and load-bearing capacities are important.

Q: Can steel rebars be used in tunnels or underground transportation systems?: Tunnels or underground transportation systems can indeed utilize steel rebars. These rebars are frequently employed in construction projects, including tunnels and underground transportation systems, owing to their durability and high tensile strength. By providing reinforcement to concrete structures, they enhance their structural integrity and prevent cracking or collapsing. In underground environments where moisture and other corrosive elements may exist, the resistance to corrosion exhibited by steel rebars is particularly crucial. Moreover, steel rebars can be easily fabricated and installed, making them a practical option for construction projects with tight schedules. All in all, steel rebars constitute a dependable and widely utilized material in tunnels and underground transportation systems, ensuring the safety and durability of the structures.

Q: Can steel rebars be used in bridge construction projects?: Steel rebars are frequently utilized in bridge construction projects. They serve as reinforcement in concrete structures, including bridges, thereby enhancing their load-bearing capacity and ability to withstand tension, compression, and bending forces. Moreover, steel rebars possess remarkable durability, enabling them to endure harsh environmental conditions, which is essential for ensuring the longevity and structural soundness of bridges. Furthermore, their malleability allows for easy shaping and bending, facilitating the construction process and accommodating specific design requirements. In conclusion, steel rebars are highly esteemed in the field of bridge construction due to their exceptional mechanical properties and reliability.

Q: How are steel rebars used in flat slabs and beams?: Steel rebars are used in flat slabs and beams to enhance the structural integrity and strength of concrete. They are embedded within the concrete to provide reinforcement and prevent cracking or failure due to tensile forces. Rebars help distribute the load evenly across the structure, increasing its load-bearing capacity and improving overall durability.

Q: 32 of the rebar is one meter multiple: Weight per metre (Kg) = diameter of reinforcing bar (mm) * diameter of steel bar (mm) * 0.00617=32*32*0.00617=6.318

Q: What is the average weight of a steel rebar?: The average weight of a steel rebar can vary depending on its size and length. However, a common average weight for a typical steel rebar is around 0.75 pounds per foot.

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