• Prepainted Galvanized steel Coil of Good Quality System 1
  • Prepainted Galvanized steel Coil of Good Quality System 2
  • Prepainted Galvanized steel Coil of Good Quality System 3
Prepainted Galvanized steel Coil of Good Quality

Prepainted Galvanized steel Coil of Good Quality

Ref Price:
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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
1000 m.t./month

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Item specifice

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
0.1-5.0
Length:
2000
Net Weight:
3-7

1.Structure of Prepainted Galvanized steel Coil

With Gi as base metal, after pretreatmet (degrease and chemical treatment) and liquid dope with several Layers of color, then after firing and cooling, finally the plate steel is called pre-painted galvanized steel ( PPGI) .

2.Main Features of Pre-painted Galvanized steel Coil

• Smooth and flat surface

• High strength

• Good formability

• Workability, durability

• Excellent heat resistance performance

• Good visual effect

• Excellent process capability

 

3.Pre-painted Galvanized steel Coil Images

Prepainted Galvanized steel Coil of Good Quality

 

 

4. Pre-painted Galvanized steel Coil Specification

Standard: ASTM, GB,JIS,JIS G3302 ASTM 755 EN10169

Width: 1250,600-1250mm

Thickness: 0.13mm~3.0mm

Grade: DX51D CGCC CS

Coil weight:3-7MT

Coil ID:508/610mm

5.FAQ of Prepainted Galvanized steel Coi

We have organized several common questions for our clientsmay help you sincerely

1.How do you control your quality

We have established the international advanced quality management systemevery link from raw material to final product we have strict quality testWe resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

 

2. what is your moq

 Normally our moq is 25per size ,but it is up to different size

 

 

3.how long we will receive the goods

After receiving your deposit or workable lc ,our normal shipment date is 15-20days,and it takes around 28 days to reach your port of destination. But is up to different destination

 

 

4.How do you control your quality

We have established the international advanced quality management systemevery link from raw material to final product we have strict quality testWe resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

 

 

 

Q:Is there a difference between hot rolled and cold rolled steel coils?
Yes, there is a difference between hot rolled and cold rolled steel coils. Hot rolled steel coils are produced at high temperatures and have a rougher surface, while cold rolled steel coils are produced at lower temperatures and have a smoother surface. Additionally, hot rolled steel coils are typically used for applications that require less precise dimensions and a more cost-effective option, while cold rolled steel coils are ideal for applications that require higher precision and a superior finish.
Q:All of my friends say that if a car made of mostly carbon fiber would crash into a full steel car, or vice versa, the steel car would be DESTROYED and the carbon fiber would drive away, if not, easily repairable.
Ok, your friend is wrong. Carbon fiber can outperform steel in many applications. It is lighter and stronger in tension. Compression, however, is not a property carbon fiber composites do well under. The strength of carbon fiber composites comes from the design, or layup, of the fibers. When the layers are properly orientated the composite can do very well. But, it can’t handle stress from any direction, only the directions it’s designed to be used in. Now, back to the car crash… A crash is a situation involving high amounts of crushing forces and shockwaves that would travel around the vehicle. If the impact itself didn’t crush the composite, the shock waves could cause hidden damage, such as delimitation, in areas that may not even be close to the impact area. As for it being easy to fix, well that is also dead wrong. Unlike steel, carbon fiber composites can’t be welded, straightened, or bent into place. Once a composite has sustained damage it usually needs to be replaced. Closing thoughts… Keep this in mind, it’s not the fibers themselves that are so weak, it’s the glue holding them together. As of today, the only way to make these strong light weight components is to glue them together. They do a good job doing what they are designed to do, but fail easily with impact and compression loading.
Q:How are steel coils used in the production of building systems?
Steel coils are used in the production of building systems as they provide a cost-effective and versatile material for various construction applications. These coils are often processed and shaped into different components, such as beams, columns, and roofing materials, to meet the structural requirements of buildings. The strength and durability of steel make it an ideal choice for constructing high-rise buildings, industrial facilities, and other structures that require stability and longevity.
Q:What is the type of stainless steel used in knifes.
If your talking about a folding pocket knife, I think that it's basically six one way and a half dozen the other. I actually do prefer stainless for my pocket knives. I don't want to oil a knife to the degree I feel carbon requires, only to then stick it my pocket to attract dirt to the knife and oil to my pants. I'm the exact opposite on sheath knives though. I like 1095 carbon steel, plain edge sheath knives. I'll thrash on them HARD, and I rarely have major edge problems. Of course, I require them to be coated with some kind of powder coat or the like, because they can rust, but I do try and keep them clean and dry when in the sheath, so they won't pit the uncoated edge. My reasons for this sheath knife preference is multi-fold. First, these knives are simply affordable. I don't spend $80 dollars on a outdoors sheath knife. I use the tool too hard to want to spend more. I don't like the more traditional stainless steels such as AUS-8, 420HC, and 440C (not to mention the HORRENDOUS 440A) because I feel that the all else being equal, a stainless blade will bend before a carbon blade will break. I also think that carbon holds an edge at least as well, if not better, than traditional stainless, and it's much easier to hone. I don't know much about these new laminates, other than the very hard, but not so tough. They seem to be POSSIBLY too brittle for my use. That, combined with the fact that they cost a FORTUNE, means that I just won't be considering them.
Q:I know that the steel is significantly harder than when air cooled, but why is the quenched steel harder?
When steel is slowly cooled, lots of carbon diffusion takes place because it is not very soluble in steel at room temperature. The carbon is in solution at high temperatures, and is rejected out of the lattice as it cools. And when this happens, the microstructure will consist of ferrite and pearlite, and the lattice structure will be base centered cubic (bcc). If it is cooled fast enough, then the carbon gets trapped in the interstitial sites of the lattice and distorts it to a body centered tetragonal (same as bcc, but elongated in one direction) This elongation strains the lattice and makes it harder. Also, when cooled fast enough the atoms do not have time to diffuse like they normally would and they shear into place. This forms the hard phase of martensite that is desired of heat treated steel. But then it must be tempered back some because it is too brittle.
Q:What are the different types of steel coil storage systems?
There are several different types of steel coil storage systems, including coil racks, coil cradles, coil saddles, and coil tongs.
Q:How are steel coils used in the manufacturing of exhaust manifolds?
Steel coils are used in the manufacturing of exhaust manifolds as they are rolled into specific shapes and sizes to form the primary structure of the manifold. The coils are cut, bent, and welded together to create the required geometry, ensuring the exhaust gases flow smoothly and efficiently from the engine. Additionally, the steel coils provide the necessary strength and durability to withstand high temperatures and the harsh conditions of the exhaust system.
Q:How are steel coils coated for added protection?
To enhance their durability and resistance to corrosion, steel coils undergo a process known as coil coating, wherein a protective layer is applied onto their surfaces. There are several methods employed to coat steel coils, but the most commonly used one is the continuous coil coating process. Under this process, the steel coil is unwound and extensively cleansed to eliminate any contaminants or impurities on its surface. This step ensures proper adhesion of the coating material. Once the steel coil is cleansed, it undergoes a pre-treatment to enhance its surface properties. Typically, this involves the application of a chemical solution or a conversion coating onto the coil's surface. The aim of this step is to create a surface that is receptive to the coating material and improves its adhesion. Following the pre-treatment, the steel coil is coated with a protective layer, which can be in the form of liquid paint, powder coating, or a combination of both. The coating material is applied evenly onto the coil's surface using techniques like roll coating, spray coating, or electrostatic coating. Once the coating is applied, the steel coil is cured or dried using heat or, in some cases, ultraviolet light. This curing process ensures a strong bond between the coating material and the steel surface, resulting in the desired protective properties. The coated steel coil then undergoes inspection to ensure quality control measures like thickness, adhesion, and appearance are met. If the specifications are satisfied, further processing may take place, involving cutting, slitting, or forming the coil into the desired shape or size. In conclusion, the process of coating steel coils for added protection involves thorough cleansing, pre-treatment, application of a protective coating, curing, and quality control. This ensures that the steel coils exhibit excellent resistance to corrosion, abrasion, and other environmental factors, making them suitable for a wide range of applications across various industries.
Q:How are steel coils inspected for width variations?
Steel coils are inspected for width variations using specialized equipment such as laser or optical sensors that measure the width of the coils at regular intervals. These sensors provide accurate and precise measurements, allowing inspectors to identify any variations in width across the length of the coil.
Q:How are steel coils used in the manufacturing of electrical transformers?
Steel coils are used in the manufacturing of electrical transformers as they provide structural support and act as a core for the transformer. The steel coils are wound with copper wire to create the primary and secondary windings, which help in transferring electrical energy efficiently.

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