Best Quality Cold Rolled Steel Coil JIS G 3302

Best Quality Cold Rolled Steel Coil JIS G 3302 System 1

Best Quality Cold Rolled Steel Coil JIS G 3302 System 2

Best Quality Cold Rolled Steel Coil JIS G 3302 System 3

Best Quality Cold Rolled Steel Coil JIS G 3302

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 22222 m.t./month

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1.Structure of Cold Rolled Steel Description：

The raw material of cold rolled steel coil/sheet is high quality hot rolled product, and after pickling continuous rolling, degreasing, annealing,skin pass,slitting and cut to length line etc. Along with it many kinds of new technology and new process of global cold rolling production have been applied. Therefore the quality of the goods could be guaranteed. The product is widely used in outdoor and interior decoration, furnishing manufacturing, home appliance, automobile etc.

2.Main Features of the Cold Rolled Steel：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3.Cold Rolled Steel Images

Best Quality Cold Rolled Steel Coil JIS G 3302

2.Cold Rolled Steel Specification

Standard:AISI,ASTM,DIN,GB,JIS,JIS G3302 ASTM 653M EN10142

Grade: Q195~Q345

Thickness: 0.16mm~1.5mm,0.16-1.5mm

Width: 1250,600-1250mm

Coil weight:3-12 MT

Coil ID:508/610mm

Chemical composition:

0.150

0.476

11.231

12.50

0.900

0.039

0.010

5.FAQ of Cold Rolled Steel

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

1.How 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 requirements.

2.How 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.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.

Q: How long do steel strips typically last?: Steel strips can typically last for several decades, depending on various factors such as the quality of the steel, the environment they are exposed to, and the level of maintenance they receive.

Q: How are steel strips processed for fastening?: Steel strips are processed for fastening through various methods such as cutting, shaping, and joining. These processes involve techniques like shearing, stamping, bending, and welding to create the desired shape and form of the steel strips. Additionally, surface treatments such as galvanization or coating may also be applied to enhance their durability and resistance to corrosion. Overall, the processing of steel strips for fastening involves a combination of mechanical and chemical processes to ensure their optimal performance in various applications.

Q: Can steel strips be used in automotive suspension systems?: Yes, steel strips can be used in automotive suspension systems. Steel strips are commonly used as leaf springs in certain types of suspension systems, such as those found in trucks and older vehicles. These strips provide the necessary strength and flexibility to support the weight of the vehicle and absorb shocks and vibrations.

Q: How do steel strips handle wear and tear?: Steel strips are highly durable and resistant to wear and tear. They can withstand heavy loads, abrasion, and impact without losing their structural integrity. Additionally, steel strips can be treated with various coatings or surface treatments to enhance their resistance to corrosion and other forms of deterioration. Overall, steel strips are known for their long lifespan and ability to handle wear and tear effectively.

Q: How are steel strips used in the production of fasteners?: Due to their durability and strength, steel strips are frequently utilized in the manufacturing of fasteners. These fasteners, including screws, nails, bolts, and rivets, necessitate a robust material capable of securely holding objects together. Steel strips offer the essential strength and resilience to endure the pressure and tension often encountered by fasteners. In the manufacturing process, steel strips are typically cut into smaller fragments and molded into the desired shape for the specific type of fastener being produced. For instance, screws necessitate a threaded section for secure fastening, while nails are usually straight with a pointed tip. The steel strips are then commonly subjected to various treatments to enhance their properties. Heat treatment, for example, can enhance the steel's hardness and resilience, rendering it more resistant to deformation and wear. Coating the steel strips with substances like zinc or chromium can also enhance their resistance to corrosion, which is crucial for fasteners as they are frequently exposed to severe environmental conditions. Once the steel strips are appropriately shaped and treated, they undergo a fabrication process to form the final fastener. This may involve techniques such as cold forging, where the steel strip is compressed into the desired shape under extreme pressure. Cold heading, another prevalent method, is employed to shape the head of a screw or bolt. In summary, steel strips play a critical role in fastener production by providing the necessary strength, durability, and versatility required for a wide range of applications. Their ability to withstand high levels of stress and resist corrosion makes steel strips an ideal material choice for fastener production, ensuring the reliability and longevity of the end product.

Q: How are steel strips processed for laser cutting?: Steel strips are processed for laser cutting through a series of steps to ensure accurate and precise cutting. First, the steel strips are cleaned and prepped to remove any dirt, oils, or other contaminants that may affect the laser cutting process. This is done through a thorough cleaning process, often involving degreasing and surface preparation. Once the steel strips are clean, they are then placed onto a specialized laser cutting machine. The machine is equipped with a high-powered laser that emits a focused beam of light. The steel strip is positioned in such a way that the laser beam can accurately cut through the material. Before the cutting process begins, the operator sets the parameters for the laser cutting machine. This includes specifying the desired cutting depth, speed, and any specific patterns or shapes that need to be cut. The operator may also make adjustments to the laser power and focus to ensure optimal cutting results. Once the parameters are set, the laser cutting machine begins the cutting process. The laser beam rapidly heats and melts the steel strip along the designated cutting path, creating a narrow kerf. The high-energy laser beam allows for precise cutting, resulting in clean and accurate edges. During the cutting process, the machine may also use assist gases, such as oxygen or nitrogen, to help enhance the cutting efficiency and quality. These gases can assist in the removal of molten metal and debris from the cutting area, preventing any interference with the laser beam and ensuring a clean cut. After the laser cutting is complete, the steel strips are carefully inspected for any imperfections or inconsistencies. Any remaining debris or burrs are removed, and the strips may undergo further processing, such as deburring or surface treatments, depending on the specific application requirements. Overall, the process of laser cutting steel strips involves thorough cleaning, precise machine setup, and the use of a high-powered laser beam to accurately cut through the material. This advanced technology allows for efficient and precise cutting, resulting in high-quality steel strips that can be used in various industries and applications.

Q: Are steel strips used in the production of medical instruments?: Yes, steel strips are commonly used in the production of medical instruments. Steel strips are often used to construct various components of medical instruments such as surgical instruments, dental instruments, and diagnostic tools. The use of steel strips provides durability, strength, and corrosion resistance, making them suitable for medical applications.

Q: How are steel strips tested for tensile strength?: Tensile testing is the method used to test the tensile strength of steel strips. This method involves applying a force to the strip until it breaks, while measuring the force required for the break. Typically, this testing is done using a specialized machine called a tensile testing machine. To conduct the test, a sample of the steel strip is prepared in a specific shape and size, usually in the form of a dog bone-shaped specimen. The specimen is then securely clamped into the grips of the tensile testing machine. One grip is attached to the upper part of the machine, while the other grip is attached to the lower part. Once the specimen is in place, the machine gradually applies an increasing force in the opposite direction of the clamps. This force causes the steel strip to stretch and elongate until it eventually fractures. Throughout this process, the machine records the applied force and the corresponding elongation of the strip. The recorded data is then plotted on a stress-strain curve, which illustrates the relationship between the applied force (stress) and the resulting deformation (strain) of the steel strip. By identifying the maximum force the strip can withstand before breaking, the tensile strength of the strip can be determined. Tensile testing provides valuable information about the mechanical properties of the steel strip, including its ultimate tensile strength, yield strength, and elongation. These properties are crucial in determining the suitability and quality of the steel strip for specific applications in industries such as construction and manufacturing.

Q: How are steel strips used in the construction of buildings?: Steel strips are commonly used in the construction of buildings for various purposes such as reinforcement, framing, and cladding. They provide structural integrity, support, and durability to the building, enhancing its strength and stability. Steel strips are often used in concrete beams and columns to increase their load-bearing capacity, and they can also be used to create frameworks for walls and roofs. Additionally, steel strips are frequently employed as cladding material to protect the building from external elements and provide an aesthetically pleasing appearance.

Q: How do steel strips compare to other metal alloys?: Steel strips are a type of metal alloy that are widely used in various industries due to their exceptional properties and performance. When comparing steel strips to other metal alloys, several factors come into play. Firstly, steel strips have a unique combination of strength and ductility. This means they can withstand heavy loads and resist deformation, making them ideal for applications that require structural integrity and durability. In contrast, some other metal alloys may have higher strength but lack ductility, making them more prone to cracking or breaking under stress. Secondly, steel strips exhibit excellent corrosion resistance. Thanks to the addition of elements such as chromium, nickel, or zinc, they can form a protective oxide layer that prevents rust and corrosion. This makes steel strips highly suitable for outdoor or harsh environments where exposure to moisture, chemicals, or extreme temperatures is common. Other metal alloys may require additional coatings or treatments to achieve similar levels of corrosion resistance. Furthermore, steel strips are known for their versatility and cost-effectiveness. The wide range of available grades and finishes allows for various applications, from construction and automotive to packaging and manufacturing. Additionally, steel is one of the most recycled materials in the world, making it an environmentally friendly choice. On the other hand, certain metal alloys may be more expensive or less readily available, limiting their applicability and increasing production costs. Lastly, it is worth noting that different metal alloys have their own unique properties and strengths. For instance, aluminum alloys are lightweight, have excellent thermal conductivity, and are often used in aerospace or electrical applications. Titanium alloys offer exceptional strength-to-weight ratio and high corrosion resistance, making them suitable for biomedical implants and aerospace components. Copper alloys possess excellent electrical and thermal conductivity, making them ideal for electrical wiring and heat exchangers. In conclusion, steel strips have a distinct set of advantages when compared to other metal alloys. Their combination of strength, ductility, corrosion resistance, versatility, and cost-effectiveness make them a preferred choice in many industries. However, the selection of a specific alloy ultimately depends on the requirements of the application, considering factors such as strength, weight, conductivity, and resistance to specific environmental conditions.

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