• Wholesale 8.5mm steel wire rod in coils from Bao Steel System 1
  • Wholesale 8.5mm steel wire rod in coils from Bao Steel System 2
Wholesale 8.5mm steel wire rod in coils from Bao Steel

Wholesale 8.5mm steel wire rod in coils from Bao Steel

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
500000 m.t./month

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Item specifice

Standard:
GB
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Black
Steel Grade:
Q235
Certification:
ISO,SGS
Thickness:
6.5
Length:
coil
Net Weight:
2500

Steel Grade: Q195/235, SAE1006-1018B   Standard: ASTM, GB

Diameter: 5.5mm, 6.5mm, 7mm,8mm,9mm,10mm,12mm,14mm   

Type: Drawn Wire    Alloy or Not: Alloy    Brand Name: HSKY 

Technique: Hot Rolled    Place of Origin: China Mainland

Chemical Composition:(Please kindly find our chemistry of our material based on SAE1006B and SAE1008B as below for your information)

High carbon/Low carbon/common carbon Steel wire rod

With boron for rebate tax

Grade

SAE1006B SAE1008B SAE1018B

Package

In coil ,in bundle,

Coil weight

about 2000kg-3000kgs

Size:

5.5mm  6.5mm  8mm  10mm  12mm   14mm  16mm

Types

High Carbon ,Low carbon ,Common carbon

Exported Country

South Korea,Vietnam,Indonesia,Myanmar,Philippines and Afrca,Ect

Delivery term:

within 30 days after receive the LC

Payment Term:

LC at sight ,LC 30-120 days after B/L date, TT payment


The Standard of Physical Properties:

Grade

Chemical Composition(%)

C

Mn

Si

S

P

Cr

SAE1006

0.03~O.07

≤0.32

≤0.30

≤0.045

≤0.040

>0.30

Mechanical properties

Yield strength(N/mm2)

Tensile strength(N/mm2)

Elongation(%)

250-280

350-380

≥32

 

Grade

Chemical Composition(%)

C

Mn

Si

S

P

Cr

SAE1008

0.10max

0.3~O.50

0.15max

0.050max

0.040 max

0.30 min

Mechanical properties

Yield strength(N/mm2)

Tensile strength(N/mm2)

Elongation(%)

≥195

315-430

≥30


Usage and Applications of Steel Wire Rod in Coil:

After hot-rolled the products shaped into coil and delivery as finished product, including round, square, rectangular, hexagonal and so on, Since most of the products are round, it is generally called wire rod. Steel wire rod is widely used in construction and manufacturing. Steel wire rod is mainly used for reinforcement of reinforced concrete and welded structure or reprocessed (roberts, nail etc) materials, especially used to produce wire drawing, welding electrode, nails,spring, electronic, precise machinery parts and so on.


Packaging & Delivery of Steel Wire Rod in Coil:

Packaging Detail: products are packed in coil and then shipped by container or bulk vessel

Each coil weight: 2-3MT

Delivery Detail: within 45 days after received deposit or LC.

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

Trade terms: CFR, CIF

 

Wholesale 8.5mm steel wire rod in coils from Bao Steel

Wholesale 8.5mm steel wire rod in coils from Bao Steel


Q:How is the dimensional accuracy of steel wire rod ensured?
The dimensional accuracy of steel wire rod is ensured through a series of manufacturing and quality control processes. Firstly, the steel wire rod is produced using a continuous casting or hot rolling method, where the dimensions are closely monitored and controlled. This initial process ensures that the diameter and shape of the wire rod are within the desired tolerances. Once the wire rod is formed, it undergoes various mechanical treatments such as drawing, annealing, and cooling. These processes further refine the dimensions and improve the mechanical properties of the wire rod. Drawing involves pulling the wire rod through a series of dies with progressively smaller diameters, which helps in achieving the desired diameter with high precision. During the manufacturing process, regular inspections and measurements are carried out to ensure the dimensional accuracy of the wire rod. This includes using advanced measurement techniques such as laser-based measuring systems or optical scanners to check the diameter, roundness, and surface quality of the wire rod. Additionally, quality control procedures are implemented to ensure that the wire rod meets the required dimensional standards. This involves taking samples at regular intervals and measuring their dimensions to verify compliance with the specified tolerances. Any deviations from the desired dimensions are identified and appropriate corrective actions are taken to maintain the dimensional accuracy. Overall, the dimensional accuracy of steel wire rod is ensured through a combination of precise manufacturing techniques, mechanical treatments, regular inspections, and quality control procedures. These measures guarantee that the wire rod meets the dimensional requirements for its intended applications.
Q:What are the different sizes and dimensions of steel wire rod?
Steel wire rods come in various sizes and dimensions, typically ranging from 5.5mm to 14mm in diameter. The length can vary, but commonly it is around 6 to 12 meters. These dimensions can be adjusted based on specific requirements and applications.
Q:How is steel wire rod used in the production of wire for brush bristles?
Steel wire rod is an essential material in the production of wire for brush bristles. Wire rod serves as the primary raw material that is used to manufacture the wires needed for brush bristles. To begin the production process, steel wire rod is first selected based on its specific properties, such as strength, flexibility, and durability. The chosen rod is then processed through a series of manufacturing steps to transform it into the desired wire for brush bristles. The first step involves drawing the steel wire rod through a series of dies, which gradually reduce its diameter while increasing its length. This process is known as wire drawing and is repeated multiple times to achieve the desired thickness and strength of the wire. After wire drawing, the wire is further processed to improve its properties. This may include heat treatment to enhance its strength and flexibility, or surface treatments like galvanization or coating to provide corrosion resistance. Once the wire has undergone these treatments, it is then cut into lengths suitable for brush bristles. At this stage, the wire can be further manipulated to develop specific brush bristle characteristics. For example, the wire may be twisted or crimped to enhance its cleaning or brushing capabilities. Finally, the wire is attached to the brush base or handle to complete the production of brush bristles. The wires are typically secured using specialized machinery or techniques such as stapling or binding. In summary, steel wire rod plays a crucial role in the production of wire for brush bristles. It serves as the basic material that undergoes various manufacturing processes, including wire drawing, heat treatment, and surface treatments, to transform it into the required wire for brush bristles.
Q:How is steel wire rod used in the production of wire mesh screens?
Steel wire rod is a crucial component in the production of wire mesh screens. Wire mesh screens are widely used in various industries, such as construction, mining, agriculture, and manufacturing, for their durability and versatility. The steel wire rod is the starting material for manufacturing wire mesh screens. It is typically made from low carbon steel and undergoes a series of processes to transform it into the final product. First, the steel wire rod is drawn through a series of dies to reduce its diameter and increase its length. This process, known as wire drawing, results in long continuous strands of thin steel wire. These wire strands are then further processed through a series of machines to give them the required shape and dimensions. The wire is woven or welded together to form a grid-like pattern, creating the wire mesh screen. The wire mesh screens can be customized with different opening sizes, wire diameters, and weaving patterns to meet specific application requirements. For instance, screens used in construction applications may have larger openings to allow for better airflow, while screens used in mining may have smaller openings to filter out particles of specific sizes. The steel wire rod used in the production of wire mesh screens ensures the screens are strong and durable. Steel is known for its high tensile strength, which makes the screens capable of withstanding heavy loads, impacts, and harsh environmental conditions. Additionally, steel wire rod provides excellent corrosion resistance, which is crucial for wire mesh screens used in outdoor applications or industries where exposure to moisture, chemicals, or other corrosive substances is common. In conclusion, steel wire rod plays a vital role in the production of wire mesh screens by providing the necessary strength, durability, and corrosion resistance. These screens are widely used in various industries for their versatility and ability to meet specific application requirements.
Q:What is a steel wire rod?
It is a kind of round steel produced in the traditional double rolling mill and modern high-speed wire mill, mainly used in the construction industry and the raw material of deep processing. The material is mainly made of Q235/195/215 and other low, medium and high carbon steel
Q:What are the storage and handling requirements for steel wire rod?
The storage and handling requirements for steel wire rod typically include storing the rods in a dry and covered area to prevent moisture and rust formation. They should be kept away from corrosive chemicals and substances. The rods should be handled with proper lifting equipment and stored in a way that avoids any bending or damage to the product. Additionally, it is important to maintain proper documentation and labeling to ensure traceability and easy identification of the wire rods.
Q:What are the different types of surface defects that can occur in steel wire rod?
There are several types of surface defects that can occur in steel wire rods. These defects can significantly affect the quality and performance of the wire rod. Some of the common surface defects include: 1. Scale: Scale refers to the presence of oxide layers on the surface of the wire rod. It is caused by the reaction of the steel surface with oxygen during the manufacturing process. Scale can negatively impact the mechanical properties and surface finish of the wire rod. 2. Surface cracks: These are visible cracks that appear on the surface of the wire rod. Cracks can occur due to various reasons such as improper cooling, excessive rolling, or inadequate quality control measures. Surface cracks can weaken the wire rod and reduce its durability. 3. Pits: Pits are small depressions or cavities on the surface of the wire rod. They can occur due to the presence of impurities or non-metallic inclusions in the steel. Pits can affect the wire rod's surface finish and make it more susceptible to corrosion. 4. Decarburization: Decarburization is the loss of carbon from the surface layer of the wire rod. It can occur during the heating or cooling process and is often caused by improper heat treatment. Decarburization can reduce the wire rod's strength and hardness. 5. Surface scratches: Scratches are visible marks or lines on the surface of the wire rod. They can occur during the handling, transportation, or processing of the wire rod. Surface scratches can affect the wire rod's appearance and potentially lead to stress concentration points. 6. Laminations: Laminations are thin layers or separations within the wire rod. They can occur during the casting or rolling process and are often caused by improper rolling conditions or the presence of non-metallic inclusions. Laminations can weaken the wire rod and reduce its mechanical properties. These are just a few examples of the surface defects that can occur in steel wire rods. It is crucial for manufacturers to implement effective quality control measures to detect and minimize these defects to ensure the production of high-quality wire rods.
Q:How is the surface roughness of steel wire rod controlled during manufacturing?
The surface roughness of steel wire rods is controlled during manufacturing through various processes and techniques. One of the primary methods used is the selection of appropriate raw materials. High-quality steel with a specific chemical composition and controlled impurities is chosen to ensure a smoother surface finish. During the manufacturing process, the wire rod undergoes several mechanical treatments to achieve the desired surface roughness. These treatments include hot rolling, cold drawing, and heat treatment. Hot rolling is the initial step where the steel is heated and passed through a series of rolling mills. This process helps in reducing the surface roughness by eliminating surface defects and improving the overall surface finish. Cold drawing is another crucial step that involves pulling the wire rod through a series of dies at room temperature. This process further refines the surface finish and reduces the roughness by removing any residual scale or imperfections. Heat treatment is often employed after the cold drawing process to enhance the mechanical properties of the wire rod. It involves controlled heating and cooling cycles, which can also help in improving the surface finish by reducing any remaining surface irregularities. Additionally, surface treatments such as pickling, shot blasting, or chemical cleaning may be employed to remove any remaining oxide layers or contaminants on the surface of the wire rod. These treatments further reduce the surface roughness and enhance the overall appearance of the product. Regular quality control inspections and measurements are conducted during the manufacturing process to ensure that the desired surface roughness specifications are met. These inspections may include visual inspections, dimensional measurements, and surface roughness testing using instruments such as profilometers. In summary, the surface roughness of steel wire rods is controlled during manufacturing through careful selection of raw materials, mechanical treatments like hot rolling and cold drawing, heat treatment, surface treatments, and rigorous quality control measures. These techniques ensure that the final wire rod product has a smooth surface finish and meets the required specifications.
Q:How is steel wire rod straightened after the rolling process?
Steel wire rod, after the rolling process, typically does not have a perfect straightness. To rectify this, there are multiple methods that can be utilized. One commonly used method is known as the straightening process, which includes passing the wire rod through a sequence of straightening rolls or dies. The initial set of rolls, through which the wire rod is fed, is usually inclined at an angle. As the rod passes through these rolls, it is bent in the opposite direction of its original curvature. The angle of the rolls is adjusted accordingly to gradually straighten the rod. This process is repeated with multiple sets of rolls, each set slightly altering the angle to further straighten the wire rod. Another method employed for straightening steel wire rod is the rotary straightening process. In this method, the wire rod is guided through a series of rotating straightening rolls. These rolls are often positioned at various angles to effectively straighten the rod. As the rod moves through the rolls, it undergoes bending forces that counteract its initial curvature, resulting in a straightened wire rod. Furthermore, there exist specialized machines and equipment designed specifically for straightening steel wire rod. These machines employ different mechanisms, such as hydraulic or mechanical systems, to apply controlled bending forces to the rod and straighten it. Overall, the process of straightening steel wire rod involves the application of controlled bending forces through sets of rolls or specialized machines. This gradual process serves to eliminate any curvature, resulting in a straightened wire rod that meets the necessary specifications.
Q:What are the common material specifications for steel wire rod?
The common material specifications for steel wire rod are typically determined by the specific requirements of the industry or application in which the wire rod will be used. However, there are some general material specifications that are commonly found in steel wire rod. One of the most important material specifications for steel wire rod is its chemical composition. Steel wire rod is typically made from carbon steel, which contains varying amounts of carbon and other alloying elements such as manganese, silicon, and sulfur. The exact composition of the steel wire rod will depend on the desired mechanical properties and the intended application. Another important material specification for steel wire rod is its size and shape. Steel wire rod is generally produced in coils with diameters ranging from a few millimeters to several centimeters. The specific size and shape of the wire rod will depend on the requirements of the end product, such as the desired strength, flexibility, and conductivity. Furthermore, the mechanical properties of the steel wire rod are also specified. These properties include the tensile strength, yield strength, and elongation, which determine the wire rod's ability to withstand forces and deformations without breaking. The mechanical properties are typically achieved through specific manufacturing processes and heat treatments. Other common material specifications for steel wire rod may include surface quality requirements, such as smoothness, cleanliness, and absence of defects. Additionally, certain industries or applications may have specific requirements for corrosion resistance, electrical conductivity, or thermal conductivity, which would also be specified. It is important to note that the exact material specifications for steel wire rod can vary significantly depending on the specific industry or application. Therefore, it is crucial to carefully review the requirements and consult industry standards or experts to ensure the appropriate material specifications are met for the intended use of the steel wire rod.

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