Hot rolled steel coil for construction GB Q345B

Hot rolled steel coil for construction GB Q345B System 1

Hot rolled steel coil for construction GB Q345B

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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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Product Description

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1.Description of Prepainted Galvanized Steel Coil and Color Coated Galvanized Steel Coil：

1).uses hot dip galvanized metal strip as the base material
2).zinc layer protection, dope on the zinc layer can cover and protect metal strip from rust

3). color coated sheet is light, beautiful and has good anti-erosion performance

4). can be further processed directly, corrugated or formed etc.
5). life span of PPGI is usually 1.5 times longer than that of galvanized steel coil
6). they are mainly applied for construction, decoration, roofing title, wall panel,

furniture, transportation and other industries
7).as a rich experience manufacturer, we provide quality product, competitive price and reliable after-sales service.

2.Specifications of Prepainted Galvanized Steel Coil and Color Coated Galvanized Steel Coil:

1).usage: home appliance manufacturing, decoration and building, special for manufacturing washing machinery, water heater and refrigerator.

2).grade:SGCC(DX51D-Z),SPCC,SPCD,SPCE

3).paint material: Normal polyester(PE, Epoxy)

4).thickness of top coating:20-25um,Thickness of back coating:7-10um

5).package method: Vertical/Horizontal, full wrapped with anti-moist paper inside, iron sheet wrapped outside, and bundled by iron strips

3.Prepainted Galvanized Steel Coil and Color Coated Galvanized Steel Coil Images:

4.Prepainted Galvanized Steel Coil and Color Coated Galvanized Steel Coil Specification:

Grade	Q195,SPCC,SGCC
Standard	GB
Base Plate	cold coil
Coil ID	506mm 508mm
Coil weight	3-8tons(as required)
Thickness	0.2-5.0mm
Width	1000mm-1600mm
Surface processing	galvanized,galvalume,color coating
Product Feature	good performance, highly precise, high straightness, high evenness and surface finishing, uniform thickness, easy for coating process, high tensile strength, high pressing property and low yield point.
packing	Standard export packing. or according to customer's requirements.
Delivery Time	25 days after received your deposite
Application	Building material,roofing,household appliance,tube making,construction
Advantages	1. Expert:Many years’ experience producing and trading on steel coil, cater to customers’ specific needs

	2. Price:competitive factory price

5.PACKING:

6.FAQ

We have organized several common questions for our clients，may help you sincerely：

①How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirement.

②How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.

Hot rolled steel coil for construction GB Q345B

Q:How is steel wire rod stored in a warehouse or distribution center?: To ensure convenient access, safety, and damage prevention, steel wire rod is typically stored in a warehouse or distribution center in a well-ordered manner. It is common practice to store the wire rod in long, cylindrical bundles or coils, the size and weight of which vary based on specific requirements. In order to store the steel wire rod, the warehouse or distribution center employs a combination of racks, shelves, or specially designed storage systems. These storage systems are tailored to accommodate the weight and dimensions of the wire rod bundles or coils, ensuring stability and mitigating potential hazards. In certain instances, wire rods are stacked vertically on racks or shelves, with each bundle or coil placed on top of the other. This vertical storage method optimizes space utilization and facilitates the identification of different types or sizes of wire rod. Alternatively, wire rod may also be stored horizontally on racks or shelves. This approach is frequently employed when the wire rods are too heavy or lengthy to be stored vertically. Horizontal storage facilitates easier handling and guards against deformation or damage to the wire rod. Regardless of the chosen storage method, it is imperative to maintain a dry and well-ventilated environment to prevent corrosion of the steel wire rod. Additionally, proper labeling and documentation play a crucial role in efficiently identifying and tracking the wire rod inventory. Overall, the storage of steel wire rod in a warehouse or distribution center necessitates meticulous planning and organization to ensure efficiency, safety, and the preservation of the wire rod's quality.

Q:How is steel wire rod used in the production of tire cords?: Steel wire rod is an essential component in the production of tire cords. Tire cords are reinforcements that are embedded within the rubber of tires to provide strength and support. Steel wire rod is first processed through a series of steps to transform it into the desired form for tire cord production. The steel wire rod is initially hot rolled to reduce its diameter and increase its length. This process adds strength and flexibility to the wire rod, making it suitable for tire cord applications. After hot rolling, the wire rod is further processed through a heat treatment known as patenting. This heat treatment enhances the wire's mechanical properties, such as tensile strength and elasticity, ensuring it can withstand the demanding conditions experienced by tires. Once the steel wire rod has been appropriately processed, it is then drawn through a series of dies to achieve the desired diameter and surface finish. This drawing process further enhances the wire's strength and surface quality, ensuring it meets the stringent requirements for tire cord production. The drawn steel wire rod is then coated with a layer of brass or zinc to improve its adhesion to the rubber compound used in tire manufacturing. This coating also provides corrosion resistance, extending the lifespan of the tire cords. Finally, the coated steel wire rod is twisted into cord structures with multiple strands, forming the tire cord. These cords are then embedded into the rubber during the tire manufacturing process. The tire cords provide essential reinforcement, helping the tire withstand the internal pressure, external forces, and provide stability during vehicle movement. In summary, steel wire rod is a crucial material used in the production of tire cords. Through a series of processing steps, including hot rolling, heat treatment, drawing, and coating, the wire rod is transformed into high-strength and durable cords. These cords are then embedded within the rubber of tires to provide essential reinforcement and support, ensuring the tires can withstand the challenging conditions they encounter on the road.

Q:What are the main factors influencing the supply and demand of steel wire rod?: There are various primary factors that affect the supply and demand of steel wire rod. 1. Economic expansion: The general economic growth of a nation or region plays a significant role in determining the demand for steel wire rod. As the economy expands, there is typically an increase in construction and infrastructure projects, which drives up the demand for steel wire rod. 2. Construction and infrastructure ventures: The construction industry is one of the major consumers of steel wire rod. The demand for steel wire rod is influenced by the quantity and size of construction and infrastructure projects, such as buildings, bridges, roads, and railways. The greater the number of construction projects, the higher the demand for steel wire rod. 3. Automotive sector: The automotive industry is another major consumer of steel wire rod. The demand for steel wire rod in this industry is influenced by factors such as consumer demand for automobiles, technological advancements, and government regulations related to automotive safety and emissions. The production of automobiles requires steel wire rod for various components, including suspension systems, engine parts, and reinforcements. 4. Manufacturing domain: The demand for steel wire rod is also influenced by the overall manufacturing sector. Steel wire rod is used in various manufacturing processes and industries, such as machinery, appliances, electrical equipment, and furniture. The level of manufacturing activity and the demand for goods produced by these industries affect the demand for steel wire rod. 5. Availability and cost of raw materials: The supply of steel wire rod is influenced by the availability and cost of raw materials, particularly iron ore and scrap metal. Changes in the availability or cost of these raw materials can impact the production and supply of steel wire rod. Additionally, fluctuations in energy prices, transportation costs, and other input costs can also affect the supply of steel wire rod. 6. International trade and tariffs: Global supply and demand for steel wire rod are influenced by international trade and tariffs. Trade policies and tariffs imposed by countries can impact the import and export of steel wire rod, which in turn affects the supply and demand dynamics. Trade disputes and protectionist measures can disrupt the global steel wire rod market and create uncertainties in supply and demand. In summary, the supply and demand of steel wire rod are influenced by economic growth, construction and infrastructure ventures, the automotive sector, the manufacturing domain, availability and cost of raw materials, and international trade and tariffs. These factors interact with each other and can fluctuate over time, resulting in changes in the supply and demand dynamics of steel wire rod.

Q:How does the elongation of steel wire rod vary with different heat treatment processes?: The elongation of steel wire rod is influenced by different heat treatment processes. Heat treatment involves subjecting the steel wire rod to specific temperatures and cooling rates to alter its structure and properties. One common heat treatment process for steel wire rod is annealing. During annealing, the wire rod is heated to a high temperature and then slowly cooled. This process relieves internal stresses and allows for the formation of a more uniform and ductile microstructure. As a result, the elongation of the steel wire rod typically increases after annealing. The increased elongation is due to the reduction in brittleness and the improved ability of the material to deform without fracturing. On the other hand, another heat treatment process called quenching and tempering involves rapid cooling followed by reheating and slow cooling again. Quenching hardens the steel wire rod, making it stronger and more resistant to deformation. However, this process can also make the material more brittle, reducing its elongation. The subsequent tempering process relieves some of the brittleness while maintaining the strength, resulting in a moderate elongation. In summary, the elongation of steel wire rod varies with different heat treatment processes. Annealing increases elongation by improving ductility and reducing brittleness, while quenching and tempering can result in a moderate elongation by balancing strength and brittleness. The specific heat treatment process chosen for steel wire rod depends on the desired mechanical properties and performance requirements for its intended application.

Q:What are the common applications of half-hard steel wire rod?: Half-hard steel wire rod has a wide range of applications due to its unique properties. Some common uses include manufacturing of springs, fasteners, wire ropes, and wire mesh. Additionally, it is also utilized in the construction industry for reinforcement purposes and in the automotive industry for producing components like nuts, bolts, and screws.

Q:How is steel wire rod used in the manufacturing of wire for solar panels?: Steel wire rod is used in the manufacturing of wire for solar panels as it provides strength and durability to the wires. The steel wire rod is first drawn into thin strands and then coated with a protective material to prevent corrosion. These wires are then used in the construction of solar panels to connect the photovoltaic cells and carry the electrical current generated by them.

Q:How is steel wire rod used in the manufacturing of wire for telecommunications cables?: Steel wire rod is an essential component in the manufacturing of wire for telecommunications cables. The process begins with the production of steel wire rod, which is a long, cylindrical billet made of steel. This wire rod is then processed and transformed into a wire that is suitable for telecommunications cables. To manufacture wire for telecommunications cables, the steel wire rod undergoes several steps. Firstly, it is cleaned and descaled to remove any impurities that may affect the quality of the wire. The wire rod is then heated and passed through a series of rollers to reduce its diameter and increase its length. This step is known as wire drawing and is crucial in achieving the desired thickness and strength of the wire. Once the wire has been drawn to the required size, it is further processed to ensure its quality and reliability. The wire is annealed, a process in which it is heated and slowly cooled to relieve internal stresses and enhance its flexibility. This makes the wire more suitable for handling and installation in telecommunications cables. After annealing, the wire is coated with a layer of insulation material, such as polyethylene or polyvinyl chloride (PVC). This insulation provides electrical insulation and protects the wire from external factors that may damage its conductivity, such as moisture or extreme temperatures. The final step in the manufacturing process is to twist multiple wires together to form a cable. Steel wire rod is used as the core strength member within the cable, providing structural support and tensile strength. This ensures that the cable can withstand the tension and bending forces it may encounter during installation and operation. In summary, steel wire rod is a crucial component in the manufacturing of wire for telecommunications cables. It undergoes a series of processes, including cleaning, wire drawing, annealing, and insulation, to create a wire that is suitable for use in telecommunications applications. The strength and reliability of steel wire rod make it an ideal choice for providing the necessary structural support and durability required in telecommunications cables.

Q:How is steel wire rod used in the manufacturing of wire rope slings for marine applications?: Steel wire rod is a crucial component in the manufacturing of wire rope slings for marine applications. It serves as the raw material used to create the wire strands that form the core and outer layers of the wire rope. The steel wire rod undergoes a series of processes such as drawing, stranding, and closing to form the wire rope sling. The strength and durability of the wire rope sling depend on the quality of the steel wire rod used. It ensures that the wire rope sling can withstand heavy loads, harsh marine environments, and provide a reliable lifting solution for various marine applications.

Q:What are the different types of steel wire rod surface defect characterization methods?: There are several different types of steel wire rod surface defect characterization methods, including visual inspection, magnetic particle inspection, ultrasonic testing, eddy current testing, and dye penetrant testing. These methods help identify and classify various surface defects such as cracks, pits, scratches, and surface discontinuities in steel wire rods.

Q:How is steel wire rod used in the manufacturing of wire forms for jewelry?: Steel wire rod, an essential material in jewelry manufacturing, is used to create intricate wire shapes and structures commonly found in earrings, necklaces, bracelets, and rings. To transform the steel wire rod into a workable material, it undergoes a series of steps. The first step involves drawing it through a die to reduce its diameter and achieve the desired thickness. This process, known as wire drawing, ensures that the steel wire rod becomes thin and pliable enough to be molded into intricate shapes. Once the wire rod has been drawn, skilled artisans use specialized tools like pliers, hammers, and mandrels to bend, twist, and shape it into different designs. The wire forms can range from simple loops or spirals to more complex and intricate designs, depending on the desired jewelry piece. The strength and durability of the steel wire rod make it ideal for creating wire forms that withstand regular wear and tear. It provides the necessary support for gemstones, beads, and other decorative elements that may be added to the jewelry piece. Additionally, its resistance to corrosion ensures that the wire forms remain intact and retain their shape over time. Moreover, steel wire rod often serves as a base material for plating with precious metals like gold or silver. The wire forms are coated with a thin layer of the desired metal, enhancing their aesthetic appeal and giving them a luxurious finish. This plating process adds value to the jewelry piece and makes it more visually appealing to customers. In conclusion, steel wire rod plays a vital role in jewelry manufacturing, allowing artisans to create intricate and durable wire shapes. Its malleability, strength, and resistance to corrosion make it an ideal material for crafting stunning and unique jewelry pieces that are both aesthetically pleasing and long-lasting.

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