PPGI Prepainted galvanized Steel Coil (PPGI/PPGL) /Roofing steel

PPGI Prepainted galvanized Steel Coil (PPGI/PPGL) /Roofing steel System 1

PPGI Prepainted galvanized Steel Coil (PPGI/PPGL) /Roofing steel System 2

PPGI Prepainted galvanized Steel Coil (PPGI/PPGL) /Roofing steel

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Quick Details

Standard:	AISI,ASTM,GB,JIS	Grade:	CGCC, DX51D	Thickness:	0.25-0.8MM
Place of Origin:	Zhejiang China (Mainland)	Brand Name:	CNBM	Type:	Steel Coil
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.

COLOR COATING LINE
A Dual Uncoiler
B Stitcher
C Bridles
D Entry Accumulater
E Degreasing & Chemical Section
F Prime Coater
G Prime Oven
H Prime Water Quench
I Finish Coating
J Finish Back Coater
K Finish Oven
L Finish Water Quench
M Exit Accumulater
N Recoiler

Q: What are the different methods of stretch leveling steel coils?: There exists a variety of methods for stretch leveling steel coils, each possessing their own unique advantages and applications. 1. Roller Leveling: This method entails passing the steel coil through a sequence of rollers that apply pressure to stretch and flatten the material. It is a widely utilized technique for leveling steel coils and grants excellent control over the leveling process. Roller leveling proves suitable for thin and medium gauge steel coils. 2. Tension Leveling: In this approach, high tension forces are applied to the steel coil via a set of bridle rolls. The tension aids in elongating and flattening the material, resulting in a level and stress-free coil. Tension leveling proves particularly effective for thicker and harder steel coils. 3. Laser Leveling: Laser technology is harnessed in this method to assess and rectify any imperfections present in the steel coil. A laser scanner diligently scans the surface of the coil and detects variations, which are subsequently adjusted by a laser beam. Laser leveling provides exceptional precision and is suitable for leveling delicate and high-value steel coils. 4. Stretcher Leveling: This method involves exceeding the yield point of the steel coil, leading to permanent deformation and the elimination of residual stresses. Stretcher leveling is commonly employed for heavy gauge coils and is capable of achieving substantial improvements in flatness. 5. Tensionless Leveling: As the name implies, tensionless leveling is executed without the application of tension to the steel coil. Instead, hydraulic or pneumatic pressure is employed to stretch and flatten the material. This method is ideal for delicate or sensitive steel coils that may be susceptible to damage under high tension forces. Each method of stretch leveling steel coils possesses its own set of advantages, such as control, precision, or suitability for specific types of steel coils. The selection of the appropriate method relies on factors such as the thickness, hardness, and quality requirements of the steel coil, as well as the desired flatness and surface finish.

Q: What is stainless steel 316, and what are its properties and uses?: For machined aspects 416 cautioned. For welded aspects 316 is cautioned. besides the shown fact that 316 supplies a greater advantageous corrosion resistance. oftentimes the only benefit for 416 is machinability others than that 316 is greater advantageous

Q: How are steel coils used in the manufacturing of storage cabinets?: Steel coils are used in the manufacturing of storage cabinets as they provide the raw material for forming the cabinet's metal components. Coils are unrolled, cut, and shaped into the necessary panels, shelves, and doors, which are then assembled to create the cabinets. The strength and durability of steel make it an ideal material for these cabinets, ensuring they can safely store and organize various items.

Q: What is the weight of a typical steel coil?: The weight of a typical steel coil can vary depending on its size and thickness. However, a common range for the weight of a steel coil is between 5 to 15 tons.

Q: How are steel coils processed before they are used in manufacturing?: Steel coils undergo several processing steps before they are used in manufacturing. The first step is called pickling, where the coils are immersed in an acid bath to remove any surface impurities, such as rust or scale. This helps to improve the surface quality of the steel. After pickling, the coils go through a process called cold rolling. This involves passing the coils through a series of rollers to reduce their thickness and improve their dimensional accuracy. Cold rolling also enhances the mechanical properties of the steel, making it stronger and more durable. Next, the coils are annealed, which involves heating them to a specific temperature and then slowly cooling them. Annealing helps to relieve internal stresses in the steel and improves its formability and ductility. Following the annealing process, the coils may undergo additional surface treatments, such as galvanizing or coating. Galvanizing involves applying a layer of zinc to protect the steel from corrosion, while coating can involve applying various types of paint or polymer to enhance the steel's appearance or provide specific functionalities. Once the coils have been processed and treated, they are typically cut into smaller sheets or strips, depending on the manufacturing requirements. These sheets or strips can then be used in various manufacturing processes, such as stamping, forming, welding, or fabrication, to create a wide range of products, including automotive components, appliances, construction materials, and many others. In conclusion, steel coils undergo a series of processing steps, including pickling, cold rolling, annealing, and surface treatments, before they are ready to be used in manufacturing. These processes improve the quality, strength, and formability of the steel, allowing it to be transformed into a variety of products.

Q: What are the common coil diameters available for steel coils?: The common coil diameters available for steel coils typically range from 24 inches to 72 inches.

Q: What are the challenges in storing and handling steel coils?: Storing and handling steel coils present several challenges, including their sheer weight and size, which can make transportation and storage difficult. The coils need to be stored in a way that prevents damage and deformation, as steel coils are susceptible to rust, corrosion, and scratching. Additionally, ensuring proper ventilation and moisture control is crucial to prevent the growth of mold or moisture-related damage. Safety precautions must also be taken during handling and transportation to avoid accidents or injuries.

Q: With the Reduced weight of steel,wouldn't the projectile be at a much higher velocity when fired causing more damage?I mean l couldn't steel be worked to seal the bore,not damage the rifling and still cheap enough to mass produce,and be light enough to carry much more ammo.: Okay one side note before going into the main issue. Steel is really really hard on rifle barrels. Okay, so the most common lead 9mm bullet weighs 124 grains. If all that was wanted was higher velocity, you could switch to a 115 grain bullet (which some people do), or even a 90 grain bullet if you are a reloader. (You see 90 grain bullets for 380 acp ammo, that same bullet could be reloaded onto a 9mm cartridge) But velocity alone doesn't give power. That's why a 115 grain 9mm bullet going at it's standard velocity does less damage than a 45 acp's 230 grain bullet going at it's standard velocity, because it weights twice as much and yet is going only a little bit slower But now go out to your front yard and grab a ping-pong ball and a rock about the same size. Throw them both as hard as you can. The ping-pong ball while lighter didn't go very far did it. See, the ratio of surface area to overall weight of ping-pong ball is very high, so air resistance works on it a LOT. And that is what makes lead so great for projectiles. It is dense so you have a very small surface area per unit of weight meaning that a steel bullet may beat lead in initial velocity but just 50 feet out the lead bullet would be going pretty much the same speed and at 100 yards out the steel would be dramatically slower. Note this is the same reason why 'secret sniper ice bullets' would never work even if you could get it to not melt...it's just too light. Ever hear of tanks and airplanes firing DU ammo? That stands for Depleted Uranium, it is something that is even more dense than lead which is why it makes an even better bullet than lead

Q: where can you find carbon steel in los angeles?? what store?? preferabbly 01 carbon steel: All steel has carbon in it, usually less than 1%. The fancy steels that have enough other elements mixed in are generally called alloy steels. So, carbon steel usually refers to the most basic cheap steel. A36 is a kind of carbon steel that meets specific standards of the A36 specification. I don't know what 01 carbon steel is. Steel is available all over Los Angeles so just look in the phone book yellow pages under steel or metal. If you are near El Monte, my favorite place is Industrial Pipe and Steel, lots of cheap scrap, used machinery, and a huge industrial hardware store built right in. There is a place in Gardena called MK Metals. There's a great place just north of the Burbank airport (can't remember the name) and one in Harbor City called Action Metals (big on recycling). No sense driving all over. Just check the phone book. Two very common carbon steels just go by the terms hot rolled and cold rolled. Hot rolled is the cheapest and softest and still has the mill scale attached so the surface is a little rough and uneven, but this is by far the most commonly used. Cold rolled (usually the AISI 1018 grade) has been work hardened and rolled flat and smooth. It's slightly more expensive but stronger and prettier. If you are going to cut away some of the thickness and you want the steel to remain flat, you probably want hot rolled steel because sometimes the cold rolled steel (CRS) will warp. It does that because the steel is already prestressed from the cold rolling process and when you cut away some of the pre-stressed material the forces holding the material flat are no longer balanced.

Q: How are steel coils used in the production of steel chains?: Steel coils are used in the production of steel chains by being unwound and fed into a machine that shapes and forms the individual links of the chain. The steel coils provide the raw material needed to create the strong and durable chains, ensuring they have the necessary strength and integrity for various applications.

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