Pre-painted steel

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Steel Specification:

Thickness: 0.2-3.0mm

Width: 600-1500mm

Tolerance for thickness,width,flatness and so on conform to the requirements of JIS G3302 or ASTM A653M/924M

Coil ID can be either 508mm or 610mm, maximum coil OD is 2000mm

The speicfication of ASTM Such as A653m,A924 M and so on have been updated to the latest revisions

Zinc Coating Weight Symbol	AZ/Z 06	AZ/Z 08	AZ/Z 13	AZ/Z 12	AZ/Z 18	AZ/Z 20	AZ/Z 22	AZ/Z 26	AZ/Z 27
Zinc Coating Thickness (mm)	0.013	0.017	0.021	0.026	0.034	0.040	0.043	0.049	0.054
Weight g/㎡ (both sides)	90	120	125	183	244	285	305	345	381
ASTM A 525	G-30		G-40	G-60		G-90			G-115

Q: What is the average surface finish tolerance for steel coils?: The average surface finish tolerance for steel coils can vary depending on the specific requirements and standards set by the industry or customer. Generally, it ranges from 10 to 20 micro-inches (0.25 to 0.5 micrometers), but it is important to consult the relevant specifications for the specific application.

Q: What are the different coil packaging materials used for steel coils?: Different materials are used for packaging steel coils, each with its own unique properties and benefits. Some of the most commonly used materials are as follows: 1. Stretch film is a flexible material that tightly wraps around the coil, providing protection against dust, moisture, and scratches. 2. Steel strapping is a strong and durable option that ensures the coils remain tightly bound during transportation or storage, thanks to its high tensile strength and resistance to breakage. 3. Plastic strapping, on the other hand, is a lightweight and cost-effective alternative to steel strapping. It offers good shock absorption and is resistant to rust and corrosion, making it suitable for smaller or lighter steel coils. 4. Paperboard is an environmentally friendly packaging material that provides a protective layer against dust and minor impacts. It also allows for slight breathability to prevent moisture buildup. 5. Wooden crates are commonly used for large or heavy steel coils, as they offer sturdy support and protection during handling, transportation, or storage. 6. Corrugated cardboard is a versatile and lightweight material suitable for smaller steel coils. It provides cushioning and protection against minor impacts, and it is easily recyclable. The choice of packaging material for steel coils depends on factors such as coil size and weight, transportation requirements, and the desired level of protection. Each material has its own advantages and should be selected based on the specific needs of the steel coil packaging.

Q: What is the average cost of shipping steel coils?: The average cost of shipping steel coils can vary depending on various factors such as the distance, weight, size, and mode of transportation. It is recommended to obtain quotes from shipping companies or freight forwarders to get a more accurate estimate based on your specific requirements.

Q: What are the common applications of cold-rolled steel coils?: Due to its exceptional qualities, cold-rolled steel coils find a wide range of common applications across various industries. The automotive industry extensively uses these coils to manufacture car parts like body panels, chassis components, and structural reinforcements, benefiting from the high strength and excellent formability of cold-rolled steel. Similarly, the construction industry relies on cold-rolled steel coils to fabricate structural elements for buildings and infrastructure. Beams, columns, and other load-bearing components are commonly made from cold-rolled steel due to its superior strength and durability. Appliances and consumer goods manufacturing also make use of cold-rolled steel coils. They are frequently employed to create the outer shells of refrigerators, washing machines, and ovens, thanks to the smooth and consistent surface finish that provides an aesthetically pleasing appearance. Furthermore, the electrical industry utilizes cold-rolled steel coils in the production of electrical enclosures, transformers, and various other components. The excellent electrical conductivity and magnetic properties of cold-rolled steel make it a preferred choice for such applications. In summary, cold-rolled steel coils have diverse applications in industries including automotive, construction, appliances, and electrical. The versatility, strength, formability, and aesthetic appeal of cold-rolled steel make it the favored choice for manufacturers across various sectors.

Q: How do steel coils compare to other materials like aluminum or copper?: When comparing steel coils to other materials like aluminum or copper, it is evident that they possess both advantages and disadvantages. One primary advantage of steel coils lies in their remarkable strength and durability. Steel is renowned for its high tensile strength, enabling it to withstand heavy loads and high stress without any deformation. As a result, steel coils are highly suitable for various applications that demand robust and resilient materials, including construction, automotive manufacturing, and transportation industries. In contrast, aluminum and copper are generally softer and less strong than steel, rendering them less appropriate for heavy-duty tasks. Another advantage of steel coils is their cost-effectiveness. In comparison to aluminum or copper, steel is a relatively inexpensive material, making it a more accessible option for large-scale projects or mass production. Furthermore, steel is highly recyclable, contributing to its cost-effectiveness and sustainability. Nonetheless, steel coils do have some disadvantages when compared to aluminum or copper. One notable drawback is their weight. Steel is significantly denser than aluminum or copper, resulting in heavier steel coils that can be more challenging to handle and transport. This disadvantage can prove to be critical in industries where weight plays a vital role, such as aerospace or electrical applications. Additionally, steel coils are susceptible to corrosion, which is another disadvantage. While aluminum and copper possess natural corrosion resistance, steel is prone to rust and oxidation. Consequently, steel coils require proper protection and coating to prevent corrosion, which adds to the overall cost and maintenance requirements. In conclusion, steel coils offer exceptional strength, durability, and cost-effectiveness when compared to aluminum or copper. However, they are generally heavier and more prone to corrosion. Ultimately, the selection between steel, aluminum, or copper will depend on the specific application, budget, and project requirements.

Q: I have a need to connect various stainless steel tubes and fitting together and was wondering how to do it. I know a TIG welder is an option but have heard rumors that there is a way to solder it in much the same way you affix copper pipe. Perhaps with higher heat and different flux. I need step by step and maybe suppliers of the materials. Thanks in advance and please I do not need the call a plumber answers as I've gotten in the past: ss has to be either welded or brazed you can [solder ] it but it has to be a silver solder, and will not have any strength

Q: What are the different methods of cutting steel coils into sheets?: There are several methods of cutting steel coils into sheets, including shearing, slitting, and laser cutting. Shearing involves a straight blade that cuts through the coil to create individual sheets. Slitting uses circular knives to cut the coil into narrower strips, which are then further processed into sheets. Laser cutting uses a high-powered laser beam to precisely cut the coil into sheets, providing more flexibility in terms of shapes and sizes.

Q: I just want to know why is cold steel katana a very good sword?? How can you tell if a cold steel katana is good or not: Save your money and by a wooden boken. Train with a well balanced wooden one. It is how the great Japanese master started their training. Steel swords are good for display. and perhaps if you become relay good and want to feel the heft and practice cutting straw men and bamboo stalks than invest some money in the real deal for a few hundred $$ at the least.

Q: What are the different methods of skin pass rolling for steel coils?: There are several methods of skin pass rolling for steel coils, including dry skin pass, wet skin pass, and temper rolling. Dry skin pass involves using a roller with a specific surface texture to improve the appearance and flatness of the steel coil. Wet skin pass, on the other hand, involves applying a thin layer of oil or water during the rolling process to enhance the surface finish and prevent oxidation. Temper rolling is a method used to improve the mechanical properties of the steel coil by subjecting it to a controlled amount of cold deformation. Each method is employed based on the desired outcome and specific requirements of the steel product.

Q: I am about to do a welding project and we are instructed to only use mild steel. I want to use found objects like coins, spoons, bottle caps, screws, and other small fasteners. Are these mild steel? What other objects can I use that are mild steel?: Mild steel is what your friends get when they see your mom's cleavage.

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