Galvanized Cold Rolled Sheet Coil for building
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 m.t./month
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Brief Introduction
1. Prepainted Galvanized Steel Coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized steel sheets.
2. The base metal for Prepainted Galvanized Steel Coil is HDGI Steel. The finish coats of Prepainted Galvanized Steel Coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.
3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.
4. The color of the Prepainted Galvanized Steel Coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc.
5. The Prepainted Galvanized Steel Coil can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.
Specification
1. Thickness: 0.3-0.8mm
2. Width: 914-1250mm
3. Inner Diameter: 508mm
4. Weight of Steel Coil: 3-15MT
5. Available Dipped Layer: 50-150g/m2
6. Surface Texture: Normal Coated
7. Type of coating structure: 2/1 Coat the top surface of the steel sheet twice, coat the bottom surface once, and bake the sheet twice.
8. Front Side Paint Thickness: 15-25μm (bottom paint+top paint)
9. Back Side Paint Thickness: 5-10μm
Mechanical Properties
1. Mechanical properties of base metals
Grade | Tensile Test | ||
Yield Strength MPa | Tensile Strength MPa | Elongation A80mm % ≥ | |
DX51D+Z | 140-350 | 270-500 | 22 |
DX52D+Z | 140-300 | 270-420 | 26 |
DX53D+Z | 140-260 | 270-380 | 30 |
2. Common performance of front coating
(1). Thickness: ≥20μm
(2). Pencil Hardness: 2H
(3). 60° specular glossiness of coating: >60
(4). 180°bend: ≤3T
(5). Impact: ≥9J
(6). Salt Fog Resistant: ≥500h
(7). Color difference: <3ΔE
- Q: What are the different types of surface defects in steel coils?
- Some of the different types of surface defects in steel coils include scratches, pits, rust, scale, stains, and indentations.
- Q: I know that they have steel shot in smaller sized pellets....say, number 4 shot. I guess it's for waterfowl, etc.Do they make steel buckshot? If not, why not? Would the pellets be too heavy? Wouldn't they have excellent penetration ability?
- No Steel Buckshot ...Yet... The whole idea behind steel shot was because there were a very large number of migratory birds, Geese, Ducks, etc dying after being hit with lead shot and developing infections, and lead poisoning, that ultimately killed or crippled too many birds. The Federal government stepped in and made Steel Shot a requirement for hunting all migratory birds. I think the biggest reason that Steel Buckshot isn't made yet is because it can only be fired out of modern, newly manufactured shotgun barrels and unless you have a shotgun designed to be used with steel shot, it would be damaged along with chokes made for lead shot only..I have no doubts that it's probably coming in the near future....Note* Penetration was never an issue, nor was the weight.........
- Q: I want to buy a chain that will last a long time and that i can wear ALL the time.What are the disadvantages to stainless steel jewelry?Does it look as good as silver?Is there much diference in apperance?
- This Site Might Help You. RE: What Are The Disadvantages Of Stainless Steel Jewelry? I want to buy a chain that will last a long time and that i can wear ALL the time. What are the disadvantages to stainless steel jewelry? Does it look as good as silver? Is there much diference in apperance?
- Q: How is the critical temperature of structural steel affected by fireproofing? What temperatures can fireproofed structural steel withstand?
- I didn't know they fire proofed steel. Usally they would just use a steel with a higher melting point.
- Q: Looking for an insight here into what hiking with steel toe-capped boots would be like, as I saw a nice pair of steel toed magnums that I plan to use for my future hiking (which I will be doing a fair amount of in the future). They seemed fairly comfortable, but I am curious into what others have to say and what might be known of this sort of approach. Thanks in advance.
- Steel toed boots are very heavy compared to hiking boots, after a long hike (especially in rough terrain) the extra weight is gonna tire you out. Steel toes are made for things like construction, or doing a task where extra protection of the toe is needed. So it's not ideal, but whatever floats your boat man (better than wearing tennis shoes). I personally have Converse composite toed boots from my airsofting days and since im too cheap to buy dedicated hike boots, I use it for hiking. Its supposedly made for military use and is much lighter than steel toe. But WAIT!!! lets say you dont have a gun or knife and you run into a pissed off Sasquatch, a steel toe boot too the nutz would do well in puttin the hurt on the dude.
- Q: How are steel coils used in the production of prefabricated buildings?
- Steel coils are commonly used in the production of prefabricated buildings as they are rolled into sheets and cut into specific lengths to create the structural components such as beams, columns, and frames. These steel components provide strength, stability, and durability to the prefabricated building, making it capable of withstanding various environmental and structural loads.
- Q: What is the process for uncoiling and recoiling steel coils?
- The process for uncoiling and recoiling steel coils involves various steps. Firstly, the steel coil is securely placed on a mandrel or a coil car. Next, the coil is unfastened or cut to release the bands holding it together. Then, a suitable uncoiling machine is used to gradually unwind the coil, ensuring it is done in a controlled manner to prevent damage or accidents. Once the desired length of steel is unwound, it can be cut or sheared to the required size. To recoil the steel, it is fed through a recoiling machine that winds it back onto a new core or mandrel. Proper tension is applied during this process to ensure a tightly wound coil. Finally, the recoiled steel coil is secured with bands or straps for transportation or storage purposes.
- Q: is red steel any good??????? not sure im really impressed but im not really into fighting games but it looks cool.... so whats your views guys???????anyone bored of smooth moves yet?anyone think the new sonic is bit cra ppy !!!!!!!!!!! darn them any new goooood games coming oput on the wii??
- red okorder . I think it deservs a rental
- Q: case hardening steel is adviced or thru hardening steel is most suitable?
- I don't know your application, but here is some advice. Case hard provides a hard shell around soft steel, depending on the bake, the case is usually .002-.008 thick. (thousands of an inch) Heat treated steel or tool steel is hard all the way thru. Case hardening, provides toughness with flexibility, however, once it's compromised, the part is scrap. Hardend tool steel is extreemly hard throughout and the harder it is, the more brittle it becomes. The application of the part will help you to determine the material needed. For instance; Plastic injection molds are very hard so the hot plastic wont erode them over years of use. Punch Press dies aren't as hard but are tougher to withstand the shock. Machine bolts are case hardened so they can last, but soft enough to allow some stretching during tightening. Either way, the time in mfg will be about the same. Most tool steels today cut like cheese, but take time to be heat treated. Tool steel will cost a bit more than low carbon steel. Low carbon steel is as machinable, and cheaper, but, again, the baking period is as long or longer than tool steel. There are a lot of materials on the market today that maintain the durability of heatreated steel without having to go thru that process. 4140, ( or chrome/moly) comes to mind. There are also some 400 series stainless that work as well, and others. You need to determine strength, flexibility, ease of mfg, cost and repairability when considering which steel to use.
- 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.
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Galvanized Cold Rolled Sheet Coil for building
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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