Colored Coated Stainless Steel of Cold Rolled

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
8000 m.t./month
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Colored Coated Stainless Steel:


Standard:

            AISI,ASTM,GB,JIS

Thickness:

              0.25-0.8MM

Technique:

             Cold Rolled

Surface Treatment:

Coated

Application:

         Roofing

Special Use:

         Silicon Steel

Width:

  800-1250MM

Color:

           Ral or according to sample

Packaging & Delivery

Packaging Detail:color steel coil STANDARD EXPORT SEAWORTHY PACKING
Delivery Detail:25 DAYS AFTER DOWN PAYMENT

Specifications

color steel coil
Prime Quality, Quick Delivery, Competitive Price

Prepainted Galvanized Steel Coil (PPGI/PPGL)

 

Base material:                             Hot dipped galvanized steel

Width:                                       available from 800MM to 1250MM

Width Tolerance:                         within 0.02MM

Thickness:                                 available from 0.18MM to 0.80MM

Thickness Tolerance:                   within 0.15MM

Performance:                              Smooth or Matte

Color:                                         according to RAL standard

Lacquer Coating thickness:           according to customer needs

Supply capacity:                          8,000 Metric Ton per month

Our products has good performance on combining force and anti-erosion. We offer fine quality products and best price for our international customers.


Q:
The quality of steel coils is determined by various factors including the chemical composition, mechanical properties, surface finish, and dimensional characteristics of the coils. Additionally, factors such as the manufacturing process, heat treatment, and adherence to industry standards and specifications also play a significant role in determining the quality of steel coils. Thorough testing and inspection procedures, such as visual inspections, hardness tests, tensile strength tests, and non-destructive testing methods, are employed to ensure the quality and reliability of steel coils.
Q:
The main raw materials used in making steel coils are iron ore, coal, and limestone.
Q:
Steel coils are available in various finishes, each with its own unique characteristics and advantages. Some of the most commonly used finishes include the following: 1. Hot-dip galvanized: In this finish, the steel coil is immersed in molten zinc, creating a protective layer that prevents rust and corrosion. It offers excellent durability and long-term protection against harsh environmental conditions. 2. Electro-galvanized: Similar to hot-dip galvanizing, this finish involves using an electric current to apply a thin layer of zinc onto the steel coil. It provides good corrosion resistance and aesthetics, making it suitable for different applications. 3. Galvannealed: This finish combines the benefits of galvanizing and annealing processes. The steel coil is first galvanized and then annealed, resulting in a matte grey appearance with enhanced paint adhesion. Galvannealed finishes are commonly used in the automotive and appliance industries. 4. Pre-painted: Also known as coil coating, this finish includes applying a layer of paint onto the steel coil before it is formed into its final product. Pre-painted finishes offer a wide range of colors, textures, and gloss levels, allowing for customization and improved aesthetics. 5. Stainless steel: Steel coils can also be finished with a layer of stainless steel, which provides excellent resistance to corrosion, heat, and chemicals. Stainless steel finishes are often used in applications that require hygiene, durability, and a high-quality appearance, such as in the food and beverage industry. 6. Cold-rolled: To achieve this finish, the steel coil is passed through a series of rollers at room temperature, resulting in a smooth and polished surface. Cold-rolled finishes offer improved dimensional accuracy, surface quality, and flatness, making them suitable for applications that require tight tolerances and a refined appearance. 7. Metallic coated: In this finish, a layer of metallic coating, such as aluminum or zinc-aluminum alloy, is applied to the steel coil. Metallic coated finishes provide excellent corrosion resistance, lightweight properties, and aesthetic versatility. The choice of finish for steel coils depends on specific application requirements, considering factors such as corrosion resistance, aesthetics, durability, and cost-effectiveness. It is important to consult industry experts and manufacturers to determine the most suitable finish for a particular project.
Q:
Steel coils are protected during transportation through various measures to ensure their safety and prevent damage. One common method is the use of high-quality packaging materials such as heavy-duty plastic wrapping or waterproof paper. These materials provide a protective barrier from external elements like moisture, dust, and debris. Additionally, steel coils are often placed on wooden pallets or skids to elevate them from the ground and prevent direct contact with surfaces that could potentially cause scratches or dents. To further safeguard the coils, they are securely strapped or banded to the pallets using strong, corrosion-resistant metal strapping or bands. This helps to keep the coils in place and prevent any movement or shifting during transportation, minimizing the risk of damage. Moreover, steel coils are often loaded and secured onto flatbed trailers or shipping containers using specialized equipment like coil cradles, coil racks, or coil bunks. These devices are designed to hold the coils firmly in place and distribute the weight evenly to avoid any stress or strain during transit. In addition to physical protection, steel coils may also undergo various surface treatments before transportation to prevent corrosion. This can include applying a protective coating or oiling the coils to create a barrier between the steel and the surrounding environment. This process helps to prevent rust or other forms of corrosion during transit, especially when the coils are exposed to adverse weather conditions or long shipping durations. Overall, a combination of proper packaging, secure strapping, and appropriate loading techniques are employed to protect steel coils during transportation, ensuring their safe arrival at their destination without any significant damage.
Q:how simple is it to take it scrape steel and recyle it. does annybody know the process . i want to do this but first i need some basic information. as far as i know first to melt the steel and in a furness on high heat and than give the shape that customer wants. how right or wrong am i . i want to start on a very small scale.
Wow, Not sure there is a small scale.....Consider getting a truck,and picking up and collecting scrap metal.You can haul it to your local recycling center, get paid for it ..and let them do the melting and forging. Basics needed to know for this is: Separate Brass, copper, aluminum,cast iron (brake drums,rotors,old sinks and tubs) Car radiators are either copper or aluminum and they pay real well now. There is also a class called SHREDDER this is anything that is not in another category, and literally anything metal, Electrical motors pay good too.
Q:
There are several methods of pickling steel coils, including acid pickling, electrolytic pickling, and mechanical pickling. Acid pickling involves immersing the coils in a bath of acid, typically hydrochloric or sulfuric acid, to remove any scale or impurities on the surface. Electrolytic pickling uses an electric current to dissolve the scale and impurities from the steel coils. Mechanical pickling involves using abrasive materials or mechanical brushes to physically remove the scale and impurities from the surface of the coils.
Q:
Steel coils have distinct advantages over materials like aluminum or copper in certain applications. Steel is generally more affordable, readily available, and has higher tensile strength compared to aluminum or copper. It also offers better resistance to corrosion and is highly durable, making it suitable for heavy-duty applications. However, aluminum and copper have their own unique properties that make them preferable for specific uses, such as electrical conductivity or lightweight construction. Ultimately, the choice between steel coils and other materials depends on the specific requirements and intended application.
Q:
There are several coil slitting methods commonly used for steel coils. These methods are employed to cut larger steel coils into smaller, narrower coils that are suitable for specific applications. 1. Blade Slitting: This is the most common method used for coil slitting. It involves using circular knives or blades to cut the steel coil into narrower strips. The blades are set at predetermined distances and are usually mounted on a rotating shaft. The coil is passed through the blades, and the circular motion of the blades slices through the coil, creating the desired narrower strips. 2. Rotary Shear Slitting: In this method, two sets of rotary shear knives are used to cut the steel coil. The upper and lower sets of knives rotate in opposite directions, creating a scissor-like cutting action. The coil is passed through the shearing blades, and the sharp edges of the knives slice through the coil, producing the desired narrower strips. 3. Sliding Shear Slitting: Sliding shear slitting is another method used for coil slitting. In this method, a stationary upper knife and a moving lower knife are used to cut the coil. The lower knife moves back and forth across the coil, while the upper knife remains stationary. The coil is passed through the moving knife, which cuts it into narrower strips. 4. Crush Slitting: Crush slitting is a less common method used for coil slitting. In this method, the steel coil is passed through a set of rollers equipped with blades. The blades are not sharp, but the pressure exerted by the rollers crushes and fractures the coil, creating the desired narrower strips. 5. Laser Slitting: Laser slitting is a modern and precise method used for coil slitting. It involves using a laser beam to cut through the steel coil. The laser beam is directed onto the coil, and its high intensity melts and vaporizes the steel, creating a narrow slit. Laser slitting offers high accuracy and a clean cut, making it suitable for specialized applications. Each of these coil slitting methods has its advantages and limitations, and the choice of method depends on factors such as the type of steel, desired strip width, production volume, and required precision. Manufacturers select the most appropriate method based on their specific requirements and the properties of the steel coils they are processing.
Q:aLSO, DOES STEEL C45 REFER TO THE CARBON IN IT?ALSO, WHAT IS AIRCRAFT GRADE PLYWOOD AND WHERE DOES ONE GET IT
chromium nickle steel aka stainless steel exact amount of chrome and nickle will determine type/grade numbers Check the google for steel type/grade Never head of aircraft grade, however,, there is marine grade - normally baltic birch with waterproof glue and no defects i.e. knots, etc. Very strong (also quite expensive) but worth it for the correct applications
Q:
Steel coils are renowned for their remarkable strength and durability, rendering them among the most robust materials obtainable in the market. In comparison to alternative materials like aluminum or plastic, steel coils demonstrate unparalleled strength and resilience against deformation or breakage. Due to the elevated tensile strength of steel, coils can withstand substantial loads, thereby rendering them perfect for diverse industrial uses, encompassing construction, automotive manufacturing, and the production of heavy machinery. Moreover, steel coils possess exceptional fatigue resistance, enabling them to endure repetitive stress and strain without compromising their structural integrity. This strength advantage positions steel coils as the preferred choice for applications that prioritize reliability and safety.

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