Steel Rebar with Hight Quality for Construction

Steel Rebar with Hight Quality for Construction

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 25000 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

Specifications of Steel Rebar with Hight Quality 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
Price	Keep lower operating costs so as to offer competitive price for our clients
Delivery Detail	within 45 days after received advanced payment or LC.
Application	mainly used in construction industry to reinforce concrete structures and so on
Invoicing	Actual or Theoretical Weight Basis as buyer’s request.
Type	Hot rolled steel rebar
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

The production process of Steel Rebar with Hight Quality for Construction:

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 Steel Rebar with Hight Quality 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 Steel Rebar with Hight Quality 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.

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

Payment terms: TT payment in advance or Irrevocable LC at sight.

Trade terms :FOB, CFR, CIF

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

Steel Rebar in stock

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: What makes stainless steel stainless?

A: 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.

Q3: Can stainless steel rust?

A3: 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

defomed bar in testing

deformed bar in stock

Q:How is steel wire rod used in the manufacturing of fishing lines?: Steel wire rod is commonly used in the manufacturing of fishing lines due to its strength, durability, and flexibility. Fishing lines made from steel wire rod can withstand the tension and pressure exerted by large fish, making them ideal for deep-sea and heavy-duty fishing. To create fishing lines, steel wire rod is first drawn into a thin and fine wire. This wire is then coated with a layer of protective material, such as nylon or polymer, to enhance its resistance to corrosion and provide smoothness for casting and reeling. The use of steel wire rod in fishing lines offers several advantages. Firstly, the high tensile strength of the steel wire ensures that the fishing line can withstand the pulling force of a struggling fish, reducing the risk of breakage. Additionally, the durability of steel wire rod makes the fishing line less prone to wear and tear, increasing its lifespan and reliability. Moreover, steel wire rod possesses excellent flexibility, allowing the fishing line to be easily cast and reeled in. This flexibility enables anglers to cast their lines accurately and with ease, increasing the chances of a successful catch. Furthermore, the flexibility of steel wire rod allows the fishing line to absorb sudden shocks or jerks, preventing it from snapping under pressure. In summary, steel wire rod is an essential component in the manufacturing of fishing lines due to its strength, durability, and flexibility. Its properties enable fishing lines to withstand the tension exerted by fish, ensuring a higher success rate in catching fish while also increasing the lifespan and reliability of the fishing line.

Q:How is steel wire rod used in the manufacturing of wire forms for agricultural equipment?: Steel wire rod is used in the manufacturing of wire forms for agricultural equipment as it provides the necessary strength and durability required for these applications. The wire rod is first shaped and formed into specific wire forms such as hooks, clips, springs, and brackets, which are then incorporated into various agricultural equipment components. These wire forms help enhance the functionality and reliability of the equipment by providing structural support, secure connections, and efficient operation.

Q:What are the different types of steel wire rod surface defects and their detection methods?: There are various types of steel wire rod surface defects that can occur during the manufacturing process. These defects can significantly affect the quality and integrity of the wire rod, making it essential to detect and address them before they cause any further issues. Here are some common types of steel wire rod surface defects and their detection methods: 1. Scale: Scale refers to the presence of oxide layers on the surface of the wire rod. It can occur due to exposure to high temperatures during production. Scale can be detected visually by examining the wire rod's surface for discoloration or by performing a simple scratch test to check if the scale flakes off easily. 2. Cracks: Cracks in the surface of the wire rod can be caused by various factors such as improper cooling, excessive stress, or material defects. Visual inspection is the most common detection method, where the wire rod is examined for visible cracks or fracture lines. Additionally, non-destructive testing techniques like magnetic particle inspection or ultrasonic testing can be employed for more accurate and reliable crack detection. 3. Pitting: Pitting is the formation of small depressions or cavities on the wire rod's surface due to corrosion or mechanical damage. Visual inspection is usually sufficient to detect pitting, as it appears as small, localized areas with irregular surfaces or indentations. However, if pitting is not easily visible, techniques like dye penetrant inspection or eddy current testing can be used for a more detailed examination. 4. Surface roughness: Surface roughness refers to an uneven or irregular texture on the wire rod's surface. It can occur due to improper manufacturing processes or inadequate quality control. Visual inspection can detect surface roughness by examining the wire rod for inconsistencies in the smoothness or by using a profilometer to measure the roughness quantitatively. 5. Inclusions: Inclusions are non-metallic substances (e.g., slag, dirt, or oxide particles) embedded in the wire rod's surface. They can cause weak spots or affect the wire rod's mechanical properties. Visual inspection can detect large inclusions, while microscopic examination or techniques like X-ray inspection can identify smaller or subsurface inclusions. 6. Coating defects: If the wire rod has a coating, defects like peeling, blistering, or uneven thickness can occur. Visual inspection is generally sufficient to detect these defects, but additional techniques like ultrasonic testing or electrical conductivity measurements can be employed for a more comprehensive assessment. It is important to note that while visual inspection is commonly used, more advanced techniques like non-destructive testing (NDT) methods can provide more accurate and reliable detection of surface defects. Employing a combination of these methods can ensure the identification and rectification of any surface defects in steel wire rods, ultimately enhancing their quality and performance.

Q:What are the different surface cleaning methods used for steel wire rod?: There are several surface cleaning methods commonly used for steel wire rod, including mechanical cleaning, chemical cleaning, and electrolytic cleaning. Mechanical cleaning involves using abrasive materials or equipment to physically remove dirt, rust, and other contaminants from the surface of the wire rod. Chemical cleaning involves using chemical solvents or cleaners to dissolve or loosen dirt and contaminants, which can then be rinsed or wiped away. Electrolytic cleaning utilizes an electrical current and an electrolyte solution to remove surface impurities through a process called electrochemical cleaning. Each method has its own advantages and is chosen based on the specific requirements and conditions of the steel wire rod.

Q:What are the different formability testing methods for steel wire rod?: Steel wire rod can be evaluated for its behavior using various formability testing methods. These methods aim to determine the wire rod's ability to deform and bend without cracking or breaking. Some commonly used formability testing methods for steel wire rod include the following: 1. Cupping test: A blank of the steel wire rod is placed in a shallow die, and a controlled force is applied to deform the material. The depth of the formed cup before cracking or fracturing occurs is measured to assess the formability of the wire rod. 2. Erichsen test: This test involves using a hemispherical punch to deform the steel wire rod until a crack or fracture appears. The maximum punch depth before failure is measured and serves as an indicator of the wire rod's formability. 3. Tensile test: Widely utilized, this test evaluates the mechanical properties of materials, including the formability of steel wire rod. The wire rod is subjected to tension until it fractures, and parameters such as elongation, reduction in area, and ultimate tensile strength are measured and analyzed. 4. Bend test: The wire rod is bent to a specified angle, and the surface is examined for cracks or fractures. The angle at which the wire rod fails to maintain its original shape indicates its formability. 5. Flattening test: This test involves flattening the wire rod between two parallel plates until it fractures. The maximum load or pressure required for failure is measured and used as an indicator of formability. 6. Hole expansion test: This test evaluates the wire rod's ability to expand without cracking when subjected to a punching force. The maximum hole diameter that can be achieved without failure is measured, indicating the wire rod's formability. These formability testing methods assist manufacturers and researchers in determining the suitability of steel wire rod for various applications, such as automotive components, construction materials, and manufacturing processes. By understanding the wire rod's formability characteristics, engineers can make informed decisions regarding material selection and process optimization.

Q:How is steel wire rod used in the production of tire reinforcement materials?: Steel wire rod is used in the production of tire reinforcement materials as it provides strength and durability to the tires. The wire rods are typically embedded in the tire's rubber compound, forming a strong and flexible structure that helps to support the tire's tread and sidewalls. This reinforcement helps to enhance the tire's overall performance, including its resistance to punctures, stability, and traction on the road.

Q:How is steel wire rod tested for resistance to hydrogen embrittlement?: Steel wire rod is typically tested for resistance to hydrogen embrittlement using a variety of methods, including the slow strain rate test (SSRT) and the hydrogen permeation test. These tests involve subjecting the wire rod to controlled levels of hydrogen exposure and measuring the resulting mechanical properties and hydrogen absorption rates. Additionally, the wire rod can also undergo microscopic examination to identify any signs of hydrogen-induced cracking or embrittlement.

Q:How is steel wire rod used in the manufacturing of wire for suspension bridges?: The manufacture of wire for suspension bridges relies heavily on steel wire rod, a vital component. Initially, a steel mill uses a technique called hot rolling to produce the wire rod. This involves heating the steel and passing it through a series of rollers to shape it into a long, continuous rod. The rod is then cooled and cut into shorter lengths, which are further processed to create wire for suspension bridges. During the manufacturing process, the steel wire rod undergoes several steps. Firstly, it is cleaned and coated with a protective layer to prevent corrosion. Next, it is drawn through a set of dies, gradually reducing the wire's diameter while increasing its length. This drawing process strengthens the wire and enhances its tensile strength, making it suitable for suspension bridges. Once the wire has been drawn to the desired size, additional processing is carried out to meet the specific requirements of suspension bridge construction. This may involve heat treatment to improve mechanical properties, such as fatigue resistance and flexibility. After processing, the wire is spooled onto large reels and transported to the construction site. There, it is unwound from the reels and used to form the main cables of the suspension bridge. These cables consist of multiple strands of steel wire twisted together to provide the necessary strength and stability. The selection of steel wire rod for suspension bridge manufacturing is based on its high strength, durability, and resistance to environmental factors like corrosion. It undergoes rigorous testing and quality control measures to ensure it meets the required specifications and standards. In summary, steel wire rod is a crucial element in the construction of suspension bridges. It provides the strength and stability needed to support the bridge's weight and withstand external forces. The use of steel wire rod in suspension bridge construction is essential for ensuring the safety and longevity of these structures.

Q:How are steel wire rods used in the production of wire hangers for hanging clothes?: Steel wire rods are an essential component in the production of wire hangers for hanging clothes. These rods are typically made from high-quality, durable steel, which provides the necessary strength and rigidity to support the weight of garments. The first step in the production process involves cutting the steel wire rods into the desired length for the hangers. This can be done using specialized machinery or through manual cutting methods. Once the rods are cut, they are then bent into the familiar hanger shape, typically using a combination of automated bending machines and skilled workers. The steel wire rods are manipulated and shaped to form the top hook of the hanger, which allows it to be hung on a closet rod or other hanging mechanisms. Additionally, the rods are bent to form the curved body of the hanger, which provides a secure and stable structure for hanging clothes. After the basic shape of the hanger is formed, the steel wire rods may undergo additional processes to improve their functionality and aesthetics. This may include coating the rods with a layer of protective material, such as plastic or vinyl, to prevent rusting and provide a smooth surface for hanging delicate fabrics. The hangers can also be painted or coated with a variety of colors or finishes to match different branding or aesthetic preferences. Overall, steel wire rods play a crucial role in the production of wire hangers for hanging clothes. Their strength, durability, and versatility make them an ideal material for creating hangers that can support a wide range of garments. Whether it's in homes, retail stores, or laundry facilities, wire hangers made from steel wire rods are a staple tool for organizing and displaying clothes.

Q:Round in high wire and ordinary line what is the difference?: P line: refers to the use of "ordinary mill (usually open-train double wire rod rolling mill)". The rolling speed of 20-60 meters per second, per root weight (disc) in 0.4-0.6 tons (market show is generally three root six head is a market), in the rolling process can only be cooled by air cooling or air cooling line to ensure product performance.Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Of which: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts. Round bars larger than 25 millimeters are used mainly for making mechanical parts or for seamless steel tubes.

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