color coated hot dipped galvanized coil

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Product Description:

hot dipped galvanized coil


3.Material:Q195,Q235,Q235B,Q215,DX51D,SPCC, SGCC 
4.Zinc coating:60-275G/M2

5.Surface Structure:  galvanized ,zero spangle, regular spangle or normal spangle 

6.Surface treatment:  chromated and oiled, chromated and non-oiled


Main characteristics :

1.strong corrosion resistance

2.surface quality

3.conducive to deep processing

4.economy and practicality



1) Pre-galvanized steel tubes and pipes.

2) Galvanized steel channels and profiles.

3) Armoring cable.

4) Construction,the manufacturing of cars, ships, containers and household electric appliances,other industries usage




ASTM A653, JIS G3302,GB/T3830-2006


SPCC SGCC  Q195 Q235 Q215 DX51D




600-1250mm(usual size:762mm,914mm,1000mm,1200mm,1219mm,1220mm,1250mm,)

Base metal

Galvanized steel coils

Zinc coating


Coil ID


Coating thickness

Top:17-25um back:5-8um

Color options

Ral number or as per your request


Standard seaworthy export packing: 3 layers of packing, inside is kraft paper, water plastic film is in the middle and outside GI steel sheet to be covered by steel strips with lock, with inner coil sleeve.


Within 10-15days after signing contract



Payment terms


Monthly supply

5,000MT per month


10 MT


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Q:Major disadvantage of hardened steel?
a disadvantage is the fact that the cold forming capability of this steel
Q:What is the weight of a molecule of steel?
Steel is an alloy consisting mostly of iron with a little Carbon thrown in. Steel is not a molecule, therefore, it does not have a molecular weight. Steel contains atoms of iron and carbon in a crystal lattice, along with various other alloying elements such as manganese, chromium, vanadium, and tungsten.
Q:Does steel contain nickel?
Yes. Different alloys contain differing amounts.
Q:Steel or Nylon strings for my guitar?
Musical style speaks volumes when it comes to this issue. Those who want high volume will be unhappy with unamplified nylon string guitars. From my perspective, the basic difference between steel and nylon is this: steel strings ring and nylon strings resonate. The volume produced by steel is generally much greater than nylon but, to my way of thinking, the sound resonance produced by the wood of your guitar is largely masked by steel strings. If you have a decently made guitar (generally, around a thousand dollars and up), the sound interplay between the wood and the strings in a nylon guitar is magical across the entire frequency range. With a steel string guitar, the sound produced by the vibrating string overpowers the wood resonance at all but low frequencies. Personally, I'll take a nylon string guitar any day for the sensitivity gained from the interplay between wood and vibrating string.
Q:will a stainless steel gun rust?
Yes, stainless steel will rust. It is not rust proof, it is rust resistant. You still should oil your gun after you shoot it.
Q:where is steel obtained?
Iron and carbon is call mild steel, low carbon steel or high carbon steel depending on the percentage of carbon use , higher the carbon is used the tougher the steel is .but as far as I vaguely remember, in high carbon steel its only 3% of less carbon. Iron in its pure state is called wrought iron which is soft. Then there are Tool steel, High speed steel [drill bits and cutting tools are made]. Spring steel. [springs ] are made. Then we have alloy steel is another
Q:Why should you heat thicker steel before welding?
For most mild steel, it is not necessary to preheat the steel, even in thick sections. Preheating, as well as maintaining interpass temperatures is sometime used when welding high-strength or high-performance steels. This reduces the likelihood of weld cracks. Mild steel is ductile enough that weld cracks aren't usually a problem. Preheating reduces the speed at which the weld cools and solidifies. in high-strength steels, this produces a more ductile microstructure in the weld and heat affected zone, thus reducing the possibility of hot and cold cracks. This also may improve some of the mechanical properties of the H.A.Z., such as impact toughness. The slower cooling rate allows more time for hydrogen to diffuse out of the weld, reducing the potential for hydrogen embrittlement. Hydrogen is produced when water vapor reacts with the steel at high temperatures, producing iron oxide and hydrogen gas. Some steels can be damaged by even relatively small amounts of hydrogen. Electrodes used in flux core arc welding and in shielded metal arc welding often contain fluxes which tend to absorb moisture from the air. Also, rust and mill scale contain water molecules which are chemically bound to the iron atoms. Note that hydrogen embrittlement is generally not an issue with mild steel, due to it's low carbon and alloy content. Preheating also reduces shrinkage stresses, due to the slower cooling rate. This is beneficial in parts which are heavily restrained, or where distortion is a particular concern.
Q:Steel - Building Purpose!!!!?
Steel is used over most other metals due to its desireable properties for buildings. To name a few: strength, hardness, ductility, conductivity, flexability, weight, ability to shape/mold, non-combustability, weather resistance and cost Many other metals have the same properties, only on different scales. For instance, copper may be an excellent conductor, howwever it's expensive and not very weather resistant. Aluminum may be flexible, moldable, but not very strong. The list goes on and on..
Q:Prefabricated Steel Buildings.......!?
It really depends upon the environment and the construction techniques used. Steel that is painted or coated will without maintenance eventually rust. I would expect this tendency to be exacerbated in a humid or shore environment. Heat may tend to cook a steel house and the structure does not add much thermal mass. Construction techniques tend to be fairly quick a part of the construction is essentially prefabricated. Work done in a factory will almost always be cheaper than work done in the field, all things being equal. Concrete can be fairly hi tech with lots of equipment or as seen in many parts of the world fairly low tech with lots of laborers. It is easy to change the characteristics of concrete depending upon how it is mixed, reinforced, and treated during the curing process. Because it is applied in a relatively fluid state it can flow around obstructions like bedrock and be formed up into interesting shapes. A concrete structure can be cooler as it provides thermal mass, and a heat sink. It's resulting rigidity may make it more subject to earthquakes than steel. We do really need to be smarter in constructing our homes to make them fit the land and not only the general environment but our particular micro environment.
Q:difference between steel and fiberglass?
Why not go one better. An aluminum mesh would be lighter than both for the same size and would not need to be painted. It would probably be more expensive than the steel however.

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