Pre Painted Galvanized/Aluzinc Steel Coils of Best Quality Blue Color

Pre Painted Galvanized/Aluzinc Steel Coils of Best Quality Blue Color System 1

Pre Painted Galvanized/Aluzinc Steel Coils of Best Quality Blue Color

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 500 m.t.

Supply Capability:: 20000 m.t./month

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2.Main Features of the Pre-Painted Galvanized/Aluzinc Steel Coil：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3.Pre-Painted Galvanized/Aluzinc Steel Coil Images

Pre Painted Galvanized/Aluzinc Steel Coils of Best Quality Blue Color

4.Pre-Painted Galvanized/Aluzinc Steel Coil Specification

Standard: AISI, ASTM, BS, DIN, GB, JIS

Grade: DX51D, DX52D

Thickness: 0.17-2.0mm

Brand Name: KMRLON

Model Number: coil

Type: Steel Coil

Technique: Cold Rolled

Surface Treatment: Coated

Application: Boiler Plate

Special Use: High-strength Steel Plate

Width: 20-1250mm

Length: customized

commoidty: pre-painted galvanized steel coil

Thickness: 0.13-4.0mm

width: 20-1250mm

zinc coating: 40-180g/m2

printing thickness: top side: 20+/-5 microns, back side: 5-7 microns

color: all RAL color

surface treatment: color coated

coil weight: 4-7 tons

coil ID: 508/610mm

packaging: standard seaworthy packing

5.FAQ of Pre-Painted Galvanized/Aluzinc Steel Coil

1. What’s the application of this product?

Roof, roof structure, surface sheet of balcony, frame of window, etc.

2. What’s the brand of the paint?

We use the best brand of all of the word—AKZO.

3. 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.

4. 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.

5. 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 are steel coils inspected for flatness?: Steel coils are inspected for flatness using various methods, such as visual inspection, measuring the crown or center buckle, and conducting a straight edge test. These techniques help assess any deviations or unevenness in the coil's surface, ensuring that it meets the required flatness standards.

Q:What is the average thickness tolerance for steel coils?: The average thickness tolerance for steel coils can vary depending on the specific industry and application. However, a common average thickness tolerance for steel coils is typically around ±0.005 to ±0.010 inches.

Q:what do you think about producebility of low density steel? for example: can density of 1020 steel (or ony others) be decreased without any loss of other properties.: 1. A method has been developed for magnetic phase analysis of Fermanal type alloys as-quenched and after aging. 2. The upper limit of alloying to ensure the optimal mechanical properties was determined more precisely for steel 9G28Yu9MVB. For rods aged at 550°C for 16 h the aluminum content should not exceed 9.2% and the carbon content 0.92%. 3. To ensure the optimal mechanical properties of the deformed metal it is necessary to obtain a fine-grained single-phase austenitic structure after quenching. The amount of hardening phase after quenching should not exceed 15–20% (saturation magnetization around 1600 G).

Q:How are steel coils used in the production of automotive exhaust systems?: Steel coils are used in the production of automotive exhaust systems as they are shaped and formed into various components such as pipes, mufflers, and catalytic converters. These coils are cut, bent, and welded to create the necessary shapes and sizes required for efficient exhaust flow and noise reduction. Additionally, the strength and durability of steel make it an ideal material for withstanding high temperatures and harsh conditions that exhaust systems endure.

Q:How are steel coils inspected for edge quality using visual inspection?: Steel coils are inspected for edge quality using visual inspection methods to ensure that they meet the required standards and specifications. Visual inspection involves carefully examining the edges of the steel coils to identify any defects or imperfections that may have occurred during the manufacturing process or handling. During the inspection, trained inspectors visually examine the edges of the steel coils for various parameters such as burrs, cracks, uneven edges, roughness, or any other irregularities that could affect the quality and performance of the steel. They use specialized tools such as magnifying glasses, microscopes, or cameras to closely observe and analyze the edges. Inspectors carefully inspect each coil, looking for any signs of defects that could potentially impact the functionality or integrity of the steel. They pay close attention to details, ensuring that the edges are smooth, free from any sharp edges or protrusions, and have consistent dimensions throughout the coil. In addition to visual inspection, inspectors may also use specific testing methods such as dye penetrant testing or ultrasonic testing to further assess the quality of the steel coil edges. These additional tests help to detect any hidden defects that may not be visible to the naked eye. Overall, visual inspection is an important part of the quality control process for steel coils, as it allows for the identification and elimination of any edge defects that could compromise the performance and durability of the steel. By ensuring that the edges meet the required standards, visual inspection helps to maintain the quality and reliability of the steel coils.

Q:What are the different methods of coil flattening for steel coils?: Coil flattening for steel coils can be achieved through various methods, each having its own advantages and limitations. Some commonly employed techniques are as follows: 1. Roller leveling: By passing the steel coil through a series of rollers that exert pressure, this method flattens the coil. The rollers can be adjusted to achieve the desired level of flatness. Roller leveling is a versatile approach capable of handling a wide range of coil sizes and thicknesses. 2. Precision leveling: This method employs a more advanced leveling machine that applies pressure to specific areas of the coil to eliminate any waviness or defects. Precision leveling is commonly used for high-quality steel coils that require exceptionally flat surfaces. 3. Stretch leveling: Also known as tension leveling, this technique involves stretching the steel coil beyond its yield point, causing permanent deformation and flattening. Stretch leveling is frequently used for thinner gauge coils and effectively eliminates coil set and crossbow defects. 4. Temper rolling: This method subjects the steel coil to a controlled low-temperature heat treatment followed by cold rolling. The combination of heat and cold rolling helps relieve internal stresses and improve flatness. Temper rolling is particularly suitable for coils that require enhanced surface quality. 5. Laser flattening: This advanced method utilizes laser technology to selectively heat and flatten specific areas of the coil. Laser flattening is highly precise and capable of correcting localized defects or unevenness. However, due to its higher cost, it is typically used for smaller coils. It is essential to consider various factors, such as desired flatness requirements, coil dimensions, material properties, and production budget, when selecting the most appropriate coil flattening method.

Q:I have a tiara and it oxidized and I'm not sure what material it is. I know it it isn't metal so i was wondering if is steel? Also if it's steel, can I do something to clean it?: Yes - Steel can oxidize, its most commonly called rust Steel is a metal. Depending on the level of oxidation, you might be able to polish it with very fine steel wool. If is is really bad, then you might need a chemical cleaner such as Naval Jelly, which can be found at the hardware store. But the Naval Jelly might discolor the metal, so then you might need to polish it afterward to return its finish.

Q:What is stainless steel coil used for?: Stainless steel coil is commonly used in various industries for manufacturing a wide range of products such as appliances, automotive parts, cookware, construction materials, and even surgical instruments. Its corrosion-resistant properties and durability make it an ideal material for these applications.

Q:What are the different methods of surface cleaning for steel coils?: There are several different methods available for surface cleaning of steel coils. The choice of method depends on the specific requirements and conditions. 1. Mechanical Cleaning: This method involves the use of mechanical tools such as wire brushes, sanding discs, or abrasive pads to physically remove dirt, rust, or other contaminants from the surface of the steel coils. It is commonly used for light cleaning and can be done manually or with the help of automated equipment. 2. Chemical Cleaning: Chemical cleaning involves the use of various cleaning agents or solvents to dissolve or loosen contaminants from the surface of steel coils. This method is effective for removing oil, grease, or stubborn dirt. Different chemicals can be used depending on the type of contaminants and the desired level of cleaning. It is important to follow safety guidelines and use appropriate protective equipment when using chemical cleaners. 3. Power Washing: Power washing or pressure washing utilizes a high-pressure water jet to remove loose particles, dirt, or contaminants from the surface of steel coils. This method is effective for large-scale cleaning and can be combined with chemical cleaners for enhanced results. It is important to adjust the water pressure according to the type of surface and use appropriate nozzles to prevent damage. 4. Pickling: Pickling is a chemical cleaning method that involves the immersion of steel coils in an acidic solution, typically a mixture of hydrochloric acid and sulfuric acid. This process removes scale, oxides, and other impurities from the surface of the steel. Pickling is commonly used for heavy-duty cleaning and preparation of steel coils before further processing or coating. 5. Electrolytic Cleaning: Electrolytic cleaning utilizes an electric current to remove contaminants from the surface of steel coils. The coils are immersed in an electrolyte solution, and the application of a direct current causes the contaminants to dissolve or dislodge from the surface. This method is particularly effective for removing rust or corrosion and can be used in conjunction with other cleaning methods. It is important to consider factors such as the type and condition of the steel coils, the level of cleanliness required, and any specific industry standards or regulations when choosing the appropriate method of surface cleaning. Regular maintenance and cleaning of steel coils are essential to ensure their longevity, performance, and resistance to corrosion.

Q:Monopolistic competition means all of their products are identical like things in supermarket like milk. There are no high barriers to entry. Oil and steel are all same in all industries.: That okorder /

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