Galvanized Cold Rolled Sheet Coil for building

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
36 m.t.
Supply Capability:
30000 m.t./month

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Product Description:

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

 

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Q:how to tell if its stainless steel?
Stainless steel should be non-magnetic.
Q:What is the difference between cold rolled strip and cold rolled steel coil?
Cold rolled steel strip: the width is below 900mm! Cold rolled steel coil: the width is above 1000mm! Materials and purposes are not very different, basically the same!
Q:What is Steel's weakness in Pokemon games?
look okorder.com
Q:stainless steel refrigerator that doesn't leave fingerprints?
Stainless Look vs Stainless in refrigerators usually refers to true Stainless Steel versus Satina. There's pluses and minuses both ways actually. With true Stainless, you have the exact match to the rest of the kitchen (because Satina is only used on refrigeration), but it is more prone to fingerprints, and is not magnetic. The Satina finish has a good look when not directly near a Stainless appliance, and does not show fingerprints and will accept magnets, but is not an exact match to stainless. My usual recommendation is that if you have a kitchen full of Stainless products, stick with the true Stainless Steel. If the refrigerator is more isolated, or is the only thing you want to have a Stainless look, you may want to consider Satina. If you put a lot of magnets on the refrigerator, I'd also recommend to go Satina. And since you don't want fingerprints, the Satina steel might come to your liking.
Q:I want to make a stainless steel chess set and need help...?
stainless steel is really hard to work with and will be really expensive to pour as not too many foundries do that. As far as tools go, I know that for e.g.drilling stainless steel cobalt bits are best, but even they don't last for very long. If you use normal drill bits stainless steel will ruin them. So how much metal working skills do you have? I would suggest to use a material you have experience with. Or make a chess set from nuts and bolts. You can buy them from stainless steel and the assembly is easy. See links for a few examples and/or use google to find more.
Q:Does mild steel rust?
Mild steel is an alloy. It is the most common form of steel. Mild steel (a so-called carbon steel) is a general term for a range of low carbon (a maximum of about 0.3%) steels that have good strength and can be bent, worked or can be welded into an endless variety of shapes for uses from vehicles (like cars and ships) to building materials. The carbon does not stop the material rusting or corroding. In addition to iron, carbon, and chromium, modern stainless steel may also contain other elements, such as nickel, niobium, molybdenum, and titanium. Nickel, molybdenum, niobium, and chromium enhance the corrosion resistance of stainless steel. It is the addition of a minimum of 12% chromium to the steel that makes it resist rust, or stain 'less' than other types of steel. The chromium in the steel combines with oxygen in the atmosphere to form a thin, invisible layer of chrome-containing oxide, called the passive film. The sizes of chromium atoms and their oxides are similar, so they pack neatly together on the surface of the metal, forming a stable layer only a few atoms thick. If the metal is cut or scratched and the passive film is disrupted, more oxide will quickly form and recover the exposed surface, protecting it from oxidative corrosion.
Q:when was steel first made?
Even in very early iron, a small amount of steel was produced by carburization, where the iron picks up carbon by laying in hot coals before quenching. This produces a thin layer of steel on the surface of the iron. By about 300 BC Damascus steel was being produced by the crucible method on the Indian subcontinent, and the Romans used steel from Noricum. In the first century BC the Chinese were melting cast iron and wrought iron together to make steel.
Q:where did WTC steel go?
some of the steel was recycled into a warship. I am not sure at what you are trying to get at with the forensic analysis of the steel. There is no conspiracy involving the towers outside of planes crashing into them despite what a lunatic fringe want you to think.
Q:Galvanized Steel Poisoning?
Galvanized Poisoning
Q:Judge Quality of Steel?
The quality of the alloy can be very well be judged by its appearance and lustrous surface. The more luster on the surface the more refine will the steel be. To judge its tenacity and endurance, the alloy can be subjected to a series of procedures involving stress and shock. The reaction to these processes can determine whether the steel be fit for the purpose required.

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