Hot Rolled GB Standard Deformed Steel Rebars for Construction

Hot Rolled GB Standard Deformed Steel Rebars for Construction System 1

Hot Rolled GB Standard Deformed Steel Rebars for Construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

OKorder is offering Hot Rolled GB Standard Deformed Steel Rebars 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 GB Standard Deformed Steel Rebars 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.

1. Supporting members, most commonly in the house raising industry to strengthen timber bears under houses. Transmission line towers, etc

2. Prefabricated structure

3. Medium scale bridges

4. It is widely used in various building structures and engineering structures such as roof beams, bridges, transmission towers, hoisting machinery and transport machinery, ships, industrial furnaces, reaction tower, container frame and warehouse etc.

Product Advantages:

Hot Rolled GB Standard Deformed Steel Rebars 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:

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:

High Quality Hot Rolled Equal Angle Steel Bars for Strcuture are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

1. Supporting members, most commonly in the house raising industry to strengthen timber bears under houses. Transmission line towers, etc

2. Prefabricated structure

3. Medium scale bridges

Product Advantages:

High Quality Hot Rolled Equal Angle Steel Bars for Constrcution 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:

Specifications of Hot Rolled GB Standard Deformed Steel Rebars for Construction:

Standard	GB UK USA	HRB335 HRB400 HRB500 G460B, B500A, B500B,B500C GR40, GR60
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length	6M, 9M,12M or as required
Packing	Export standard packing: wrapped by wire rod in bundles
Each bundle weight	2-3MT, or as required
Trade terms	FOB, CFR, CIF
Payment terms	TT payment in advance or Irrevocable LC at sight.
Delivery Detail	within 45 days after received advanced payment or LC.
Brand name	DRAGON

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

Diameter(mm)	Section area (mm²)	Mass(kg/m)	Weight of 12m (kg)	Pcs/ton
6	28.27	0.222	2.664	375.38
8	50.27	0.395	4.74	210.97
10	78.54	0.617	7.404	135.06
12	113.1	0.888	10.656	93.84
14	153.9	1.21	14.52	68.87
16	201.1	1.58	18.96	52.74
18	254.5	2.00	24	41.67
20	314.2	2.47	29.64	33.74
22	380.1	2.98	35.76	27.96
25	490.9	3.85	46.2	21.65
28	615.8	4.83	57.96	17.25
32	804.2	6.31	75.72	13.21
36	1018	7.99	98.88	10.43
40	1257	9.87	118.44	8.44
50	1964	15.42	185.04	5.40

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

JISG3112 SD390	Chemical Composition
	C	Mn	Si	S	P
	0.22	1.38	0.4	0.014	0.022
	Physical capability
	Yield Strength(N/cm²)		Tensile Strength(N/cm²)		Elongation (%)
	620		≥400		21

The production process of Steel Rebar

1-Waling beam furnace 2-Roughing rolling group 3-Intermediate rolling train

4-Finishing rolling group 5-Water-cooling device 6-Walking beam cooler

7-Finishing equipment(including the cold scale shear,short feet collection system,

automatic counting device,bundling machine, collect bench)

Usage and Applications of Hot Rolled GB Standard Deformed Steel Rebars for Construction:

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 Hot Rolled GB Standard Deformed Steel Rebars for Construction:

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.

Price: Keep lower operating costs so as to offer competitive price for our clients

Deformed Steel Rebars according to Korean standard

Deformed Steel Rebars

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 bent or shaped on-site?: Yes, steel rebars can be bent or shaped on-site using specialized tools and equipment such as rebar benders and rebar cutters. This allows for flexibility in construction projects to meet specific design requirements and ensure proper reinforcement placement.

Q:How do steel rebars contribute to the strength of concrete?: The strength of concrete is enhanced in various ways by steel rebars. Firstly, they increase the tensile strength of concrete, which is otherwise relatively low. Although concrete is excellent at withstanding compression, it is weak when it comes to resisting tension. This is where steel rebars come into play. By embedding them within the concrete, they provide extra strength and help prevent cracks from forming and spreading. Secondly, the bond between concrete and the reinforcement material is improved by steel rebars. The ribbed surface of the rebars creates a better grip with the concrete, ensuring a stronger bond. This bond is crucial as it allows the concrete and steel to work together, distributing the loads and minimizing the risk of structural failure. Furthermore, the overall durability and longevity of concrete structures are increased by steel rebars. They are resistant to corrosion, which is a major concern in coastal or high humidity areas. The corrosion resistance of rebars ensures that the concrete remains structurally sound for a longer period, reducing maintenance costs and extending the lifespan of the structure. In addition to their strength-enhancing abilities, steel rebars also contribute to the structural stability of concrete elements. They help reinforce critical areas such as beams, columns, and foundations, where high loads and forces are present. By providing additional support and reinforcement, steel rebars help prevent excessive deflection, bending, or failure of these elements under heavy loads. To summarize, steel rebars are crucial in enhancing the strength of concrete structures by improving tensile strength, bond strength, durability, and overall structural stability. Incorporating them into concrete elements is essential to ensure the longevity and safety of various construction projects.

Q:Can steel rebars be recycled after the demolition of a structure?: Yes, steel rebars can be recycled after the demolition of a structure. Steel is one of the most commonly recycled materials in the world, and rebars are no exception. During the demolition process, rebars are typically removed from the structure and separated from other materials such as concrete. The rebars are then collected and sent to a recycling facility where they are processed and melted down. The melted steel can be used to create new rebars or other steel products, reducing the need for virgin steel production and conserving valuable resources. Recycling rebars not only helps to reduce waste and minimize environmental impact but also contributes to the circular economy by promoting the reuse of materials.

Q:How do steel rebars affect the overall cost of a construction project?: Steel rebars can significantly affect the overall cost of a construction project. They are essential for providing structural strength and reinforcement to concrete structures, ensuring durability and safety. The cost of steel rebars depends on factors such as quantity, grade, and market price fluctuations. However, since rebars are often a major component in construction projects, their cost can significantly impact the overall budget, making it crucial to carefully estimate and manage their use to ensure cost-effectiveness.

Q:What is the cost of steel rebars?: Different factors, including steel grade, market conditions, and location, can cause the price of steel rebars to vary. Generally, the price ranges from $500 to $800 per metric ton. Nevertheless, it is crucial to consider that prices can change due to factors like supply and demand, raw material expenses, and any taxes or tariffs imposed on steel imports. To obtain the most accurate and current pricing information, it is advisable to reach out to local suppliers or consult market reports.

Q:Are steel rebars suitable for reinforcement in historical monuments?: Steel rebars can be suitable for reinforcement in historical monuments, as they are strong, durable, and provide structural stability. However, it is important to consider the specific requirements and conditions of each monument, as their use can potentially impact the historical integrity and aesthetic value. It is crucial to consult with experts in conservation and restoration to ensure the proper and sensitive use of steel rebars in historical monument reinforcement.

Q:The difference between rebar and crescent: The thread and Crescent are 45 degrees diagonally raised, the thread is straight, crescent shaped arc, like a watermelon rind.

Q:How do steel rebars affect the overall crack width of concrete structures?: Steel rebars affect the overall crack width of concrete structures in several ways. Firstly, rebars provide reinforcement to the concrete, making it stronger and more resistant to cracking. The presence of rebars helps distribute the tensile forces within the concrete, preventing cracks from spreading and widening. This is because when the concrete is subjected to tensile stress, the rebars take on a significant portion of the load, reducing the stress on the concrete itself and minimizing crack formation. Moreover, the use of rebars also influences the spacing and size of cracks in concrete structures. By adding rebars at specific intervals and in appropriate sizes, engineers can control the crack width of the concrete. The rebars act as barriers that limit the width of cracks by providing resistance to the tensile forces acting on the concrete. This is particularly important in structures that are exposed to heavy loads or external forces, as it helps maintain the structural integrity and durability of the concrete. Additionally, steel rebars can also affect the propagation of cracks in concrete structures. When cracks do occur, the presence of rebars can help prevent the cracks from extending further. The rebars act as anchors, holding the cracked sections of the concrete together and preventing the cracks from spreading. This is crucial in ensuring the overall stability of the structure and minimizing the risk of structural failure. In summary, steel rebars play a vital role in influencing the overall crack width of concrete structures. They enhance the strength of the concrete, distribute tensile forces, control crack spacing and size, and prevent crack propagation. By incorporating rebars into concrete structures, engineers can effectively manage and reduce the formation and severity of cracks, ensuring the longevity and safety of the structures.

Q:How do steel rebars affect the durability of concrete in freeze-thaw cycles?: The durability of concrete in freeze-thaw cycles can be greatly enhanced by steel rebars. When exposed to freezing and thawing conditions, concrete undergoes expansion and contraction. During freezing, the water inside the concrete pores freezes and expands, exerting pressure on the surrounding concrete matrix. This can lead to cracks and deterioration of the concrete. However, the inclusion of steel rebars in the concrete can help alleviate these problems. Steel has a lower coefficient of thermal expansion compared to concrete, meaning it expands and contracts less with temperature changes. This property allows the steel rebars to absorb the stresses generated during freeze-thaw cycles, preventing significant damage to the concrete structure. Furthermore, steel rebars also reinforce the concrete, increasing its overall strength and toughness. This reinforcement helps distribute the stresses caused by freeze-thaw cycles more evenly throughout the concrete, reducing the likelihood of crack formation or propagation. Moreover, steel rebars act as a barrier against water penetration into the concrete. Moisture is a major contributor to freeze-thaw damage. The steel rebars assist in creating a more impermeable concrete structure by reducing the size and number of cracks, preventing water from entering and causing further deterioration. To sum up, steel rebars play a vital role in enhancing the durability of concrete in freeze-thaw cycles. Their ability to absorb stresses, reinforce the concrete, and prevent water penetration significantly reduces the potential for damage and extends the lifespan of the concrete structure.

Q:What is the difference between the actual weight and the actual weight of the steel thread?: As for the calculation of it, big steel mills are GB, generally within 70-80 thousandths of the difference, a little less than 30-40 kilograms of good, bad 80-90 kilograms. Science is the brand superscript weight, the actual weight is weighing several pounds, no difference multiplied by the coefficient, the factory difference is not the same, for example, Xilin Iron and steel will be multiplied by (1-0.06 or 0.07)

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