Prepainted steel Coils, Hot-dipped Galvanized, RAL system, with good corrosion resistance

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Shanghai
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TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
30000 m.t./month

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Product Description:

Dx51d PPGI Prepainted Color Galvanized Steel Coil

ISO System
SGS and BV Audited company.
Industry experience over 10 years.
Management Systems-Internal Software
Finished Product Inventory-More Than 500 Tons.
Raw Material inventory -Over 800 Mertic Tons.
Shipment of goods -More than 30 countries worldwide.
We have the most convenient transport and prompt delivery.
We offer competitive price with best service.
We have high technical production line with top quality products.
We have win high reputation based on best quality products.


Product Description

1, Introduction: Color coated steel coils(sheets), i. e. PPGI, also called prepainted steel coils(sheets), are made of galvanized steel coils(sheets) with polymer coatings as surface. It's a new enclosure material and building board with characteristics of light-weighted, heat preserved&insulated, easily installed with bright colors. 

2, Production Process: Pretreatment(Degreasing)_Drying_Chromating_Paint Basic Oil_Cooling_Drying_Color Coating_Cooling_Film-covering_Rolling Up 

3, Characteristics: 
Good at corrosion resistence. Besides zinc coating of the basic plate of galvanized steel sheet, the color coating as the surface has double lifetime to ensure better anticorrosion effect. 

with excellent cold bending molded manufacturablity, PPGI products can be processed or directly used as final product. As being light-weighted and conveniently transported, they're widly used to replace wood to save energy. 

There're thousands of colors can be chosen as per different application. Any color plays well in decoration. 

No pollution with high recycling rate, PPGI coils and sheets are strongly recommended as enviroment-friendly products by the government. 

4, Appliance: Thanks to the above characteristics, color coated steel coils and sheets are widly used in construction, furniture industry, transportation industry, ect. 

5, eye bands and 4 circumferential bands in steel, galvanized metal fluted rings on inner and outer edges, galvanized.


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Q:Heat treatment of mild steel? Process description macro-micro
Alright, usually whu heat you heat treat mild steel, this is because you would like it stronger than you got it. To do this you must alter the grain structure of the part or in other words, the CRYSTALLITES. Ultimately you'll end up altering the nature of the grains structure changing the tensile strength it can handle, yield strength, and even change the elongation percentage that it can tolerate under load. Heat treatment controls the rate of diffusion, and the rate of cooling within the microstructure to create these elements. Usually what they use to do this is add an element to it to make it stronger such as carbon to increase its rockwell hardness, which by the way the lower you go the harder the part can become. Heat treatment can be used in more ways than this. It can also be used to weaken the parts grain structure. This will lower the parts mechanical properties making it softer and more ductile or easier to manipulate if you have to bend it into a particular shape. Typically if you allow the part to cool after heat treatment it does go through annealing. The part will be heat treated into different stages. The first being the austenitic crystal phase which depending on how hard and strong you want it, will be at its peak. When it is cooled, it will go through a will transform to martensite which is a hard yet brittle crystalline structure. Martenised part will usually be tempered to a certain degree to improve the mechanical properties to what is needed. There is more to this and you can use the link below to read more about it.
Q:Why is iron stronger than steel?
Firstly Iron is not stronger than Steel. You must understand that steel is made with iron. Steel is iron with carbon infused into the crystal lattice; thus making it stronger. Iron was used as the backing because it is more ductile and resilient than steel because steel is stronger and more brittle. So on this basis steel is stronger and better to hit the armor first with more cutting power because it wont yield to softer materials, and iron was suited for the backing because it would allow it to bend as pressure is being applied, but without braking.
Q:What is meant by 440 Steel?
440 is an AISI (American Iron and Steel Institute) material specification. It specifies the precise quantities of carbon and other elements present in the alloy. Here are the constituents of AISI 440 steel: Carbon - 0.6 to 0.75% Chromium - 16 to 18% Manganese - less than 1% Molybdenum - less than 0.75% Phosphorus - less than 0.04% Silicon - less than 1% Sulfur - less than 0.03% Iron makes up the remainder. AISI 440 is a heat-treatable, precipitation-hardening stainless steel.
Q:Where can you get a thick sheet of steel?
Try a local Fastenal store, they can order it for you by the sheet. If that doesnt help, then try a welding or fabricating store.
Q:What metals contain steel?
Metals do not contain steel. Steel is an alloy of purified iron and carbon, and sometimes with other metals, such as nickel, chromium, or molybdenum to make it stainless or to change its hardness or other properties. It's like asking what cereals contain Cheerios. It doesn't really make sense. Other metal alloys contain iron, which is an element and the main ingredient of steel. Maybe you should be asking which metal alloys contain iron? That's more like asking which cereals contain whole grain oats. Now that's a question that can be answered by reading the ingredients labels on your standard boxes of metal alloys :-)
Q:Is my shotgun able to shoot steel?
If it has removable choke tubes, just get a MOD or IMP CYL and it will work. If it is a fixed choke, depending upon how old it is, the barrel may be too thing and steel could damage the barrel. If the shotgun is less than 20 years old and with a MOD or more open choke, you should be good to go.
Q:Can cold rolled galvanized steel coils be acid washed after oxidation?
Hot rolling is made of slabs (mainly continuous billets) as raw materials. After heating, strips are made from roughing mills and finishing mills. From the last finishing mill stand out of the hot strip laminar cooling through to the set temperature, the coiling machine rolled strip steel roll cooled, according to the different needs of users with different finishing line (flat, straightening, transverse or longitudinal, inspection, weighing, packing and marking etc.) processing and become steel, flat steel product volume and slitting.
Q:Why do we galvanise steel?
it prevents the steel from rusting. Zinc rusts too, but more slowly than steel, and it doesn't tend to eat away it's structure. Zinc coatings prevent oxidation of the protected metal by forming a barrier, and by acting as a sacrificial anode if this barrier is damaged. Zinc oxide is a fine white dust that (in contrast to iron oxide) does not cause a breakdown of the substrate's surface integrity as it is formed. Indeed the zinc oxide, if undisturbed, can act as a barrier to further oxidation, in a way similar to the protection afforded to aluminium and stainless steels by their oxide layers.
Q:can I freeze steel?
can't freeze it but ya can make it very cold
Q:Stretching Ears: Acrylic vs Steel?
It depends on your body and what you prefer. If you body is allergic to one of them you would have to chose for another one. If it's not allergic to any, than you can use whatever you like the most, just try both.

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