Galvanized Steel Plate Rolling for Building Materials

Galvanized Steel Plate Rolling for Building Materials

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 10000 m.t./month

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Packaging & Delivery

Packaging Detail:	Fully seaworthy export packing. Each coil is wrapped in water-proof paper.Fixed with steel strips.
Delivery Detail:	about 12 days

1) Thickness: 0.16 - 2.0mm

2) Width: 914 - 1,250mm

3) Lacquer: according to customer's needs

4) The color-coated steel coil is produced by hot-galvanized steel and color-coatedwith the

paint produced according to the American standards

5) The combining force between the galvanized steel and the paint is very strong

6) The surface is polished

7) Coat fabric 2/2 (two coats for top / two coats for bottom), 2/1 (two coats fortop / single

coat for bottom), 1/1 (single coat for top / single coat for bottom)

8) Available colors: grey, bright red, sky blue, ivory white, yellow or customizedaccording to

customers' request

9) Can be used in building material field, galvanized wire steel tape and all otherfields

10)

Base steel: DX51D ,Q195, Q215, Q235, Q345, Q195L, 08, 08AL, SPCC, SPCD, ST12, ST37, DC01, DC02 and DC03

IN THE MEANTIME, WE COULD MAKE FORMING MACHINES FOR STEEL SHEET, WE COULD DO ANY MODELS AS CUSTOMERS' REQUESTS.

Q:What are the common welding defects in steel coils?: During the welding process, various defects can occur in steel coils. These defects encompass: 1. Porosity: Gas entrapment during welding results in small holes or voids in the weld metal. This defect weakens the weld and increases its vulnerability to corrosion. 2. Insufficient fusion or incomplete penetration: Inadequate fusion between the base metal and weld metal or incomplete penetration of the joint leads to this defect. A weak or brittle weld is the consequence. 3. Cracks: Cracks can manifest in the weld metal or the heat-affected zone (HAZ) of the base metal. They are caused by factors like high stress levels, improper cooling, or insufficient preheating. Cracks significantly reduce the weld's strength and integrity. 4. Undercutting: Excessive melting of the base metal at the weld's toe creates a groove or depression known as undercutting. This defect weakens the weld and concentrates stress, potentially leading to failure. 5. Excessive spatter: The welding arc expels small droplets of molten metal, which can land on the steel coil's surface. Too much spatter results in a rough or uneven surface finish and necessitates additional cleaning or grinding. To minimize these welding defects in steel coils, it is vital to ensure proper weld preparation, including thorough cleaning to remove any contaminants from the steel's surface. Moreover, utilizing the correct welding parameters, such as appropriate heat input and travel speed, helps minimize defects. Regular inspection and quality control measures also aid in detecting and addressing defects before they escalate into more serious issues.

Q:What are the different types of steel coil packaging materials?: There are several different types of steel coil packaging materials, including steel strapping, stretch film, plastic wrap, metal bands, and wooden crates. These materials help protect and secure steel coils during transportation and storage.

Q:What are the different methods of annealing steel coils?: Steel coils can be annealed using various methods, each with its own advantages and applications. Full annealing, process annealing, and spheroidize annealing are the main methods. The most common method is full annealing, wherein the steel coils are heated above their critical point (usually between 800 and 900 degrees Celsius or 1472 and 1652 degrees Fahrenheit) and then slowly cooled in a controlled manner. This process refines the grain structure of the steel, making it softer and more ductile. Full annealing is employed to relieve internal stresses, enhance machinability, and improve the overall mechanical properties of the steel. Process annealing, sometimes called subcritical annealing or stress relief annealing, is used to reduce the hardness and brittleness of steel coils. It involves heating the coils below their critical point (typically between 550 and 650 degrees Celsius or 1022 and 1202 degrees Fahrenheit) and then slowly cooling them. This method relieves internal stresses that may have developed during previous manufacturing processes like cold working or welding. Process annealing is commonly used to enhance the formability and toughness of steel coils. Spheroidize annealing is a specialized form of annealing that softens high carbon and alloy steels. It entails heating the steel coils slightly below their critical point (usually between 650 and 700 degrees Celsius or 1202 and 1292 degrees Fahrenheit) and holding them at that temperature for an extended period. This allows the carbides within the steel to transform into rounded or spheroidal shapes, thereby increasing machinability and ductility. Spheroidize annealing is frequently employed in the production of cutting tools, bearings, and other applications that require improved machinability. In addition to these main methods, there are variations and specialized techniques like recrystallization annealing, intercritical annealing, and solution annealing. Each method has specific parameters and temperature ranges. The choice of annealing method depends on factors such as the type of steel, desired mechanical properties, and intended application of the steel coils.

Q:I live in Dubai. I want to make a damascus steel sword and have no idea where to get the steel or what sort of steel I should get.First to adress the access of my steel...I need to get some low carbon and high carbon steel for the Damascus....what sort of steel is recommended for this? Also where would I be able to get my hands on it (Internet options e.g websites or locations)THANKS: Damascus Steel Swords For Sale

Q:Several reading methods of steel tape measure: Direct reading method when measuring the steel tape zero scale alignment measurement starting point, proper tension (stretching force with steel tape tension or tension on the calibration ruler identification shall prevail, with the spring balance measure), direct reading measurement end point corresponding to the scale scale.

Q:Are steel coils used in shipbuilding?: Yes, steel coils are commonly used in shipbuilding. They are used primarily for the construction of the ship's hull and other structural components due to their strength, durability, and ability to withstand harsh marine environments.

Q:I'm looking for the weight of different types of steel and haven't found anything helpful!!thank you: Category Material Density Metal Steel, tool 7.715 Metal Wrought Iron 7.75 Metal Carbon Tool Steel 7.82 Metal Steel, cold-drawn 7.83 Metal Carbon Steel 7.84 Metal Steel, C1020, HR 7.85 Metal Pure Iron 7.86 Metal Soft Steel (0.06% C) 7.87 Metal Stainless Steel, 304 8.03 Metal Stainless 18Cr-8Ni 8.03 I looked up specific gravity mild steel. This might get you pointed in the right direction.

Q:Is Stainless steel called that because.....a. Its stains lessORb. Its virtually stainless (it can't stain).Lol do you know the correct answer?????: a. is the correct answer. It will still show tea and coffee stains. I find using baking soda is a good way to clean it and freshens the drains of the sinks as well. If cleaning your refrigerator a glass cleaning spray works well, just be sure to dry it thoroughly.

Q:How are steel coils inspected for flatness variations?: Steel coils are inspected for flatness variations using various methods such as visual inspection, measurement techniques, and automated systems. Visual inspection involves trained personnel visually inspecting the coil's surface for any irregularities or deviations from flatness. Measurement techniques involve using precision instruments such as straight edges, feeler gauges, or laser sensors to measure the flatness at different points along the coil's length. Automated systems use advanced technologies like laser scanning or optical sensors to quickly and accurately detect any flatness variations in the steel coils. These inspections help ensure that the coils meet the required flatness specifications and quality standards.

Q:Can steel coils be used in architectural applications?: Yes, steel coils can be used in architectural applications. Steel coils are commonly used in the construction industry due to their strength, durability, and versatility. They can be shaped, formed, and fabricated into various architectural components such as roofs, walls, facades, and structural elements. Additionally, steel coils can be coated or painted to enhance their aesthetic appeal and protect them from corrosion, making them a popular choice in architectural designs.

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