PRIME GALVANIZED STEEL COIL JIS G 3302 SGCC WITH LOW PRICE

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Product Description:

Prime Galvanized steel coil

Packaging & Delivery

Packaging Detail: seaworthy export package

Delivery Detail: on request

Specifications

1. more than 10 years’ experience on this field

2. advanced equipments

3. competitive price

4. soonest delivery

Product Description :

Commodity

Hot dip galvanized steel coil

Technical Standard: JIS 3302 / ASTM A653 / EN10143/ GB/T 2518

Grade：DX51D/ S250,280,320GD,SGCC,SGHC,SGH340,SGH400,SGH440,G450,G550

Types:Commercial / Drawing / Deep Drawing / Structural quality

Width: 900mm/1000mm/1219mm/1200mm/1220mm/1250mm

Thickness: 0.2mm~4.0mm

Type of coating: galvanized

Zinc coating: Z40-275g/m2,Z40-Z450g/m2

Surface treatment: zero spangle / regular spangle/ big spangle

ID coil: 508mm or 610mm

Coil weight: 3-10/MT per coil

Package: Properly packed for ocean freight exportation in 20''container

Application:: home appliances, constructions, building, machineries

Our Advantages :

1. Expertise:
   More than 10 years of manufacture: we know how to properly handle every step of production.
2. Competitive price:
We can offer competitive prices to our customers.
3.  Accuracy:
We have excellent technicians and leaders, which can ensure our products are exactly what you want.
4.  Materials:
All galvanized steel coils are made of high-quality raw materials.
5.  Certificate:
Our products are certified by ISO9001.
6. Productivity:
We have large-scales of production lines,, which can guarantee all your orders will    be finished in earliest time.

Hr CGL Technical Process:

Coil loading-> uncoiling-> cutting-> welding-> entry accumulator-> Heating and deoxidization-> galvanizing-> air cooling->water quenching-> air dryer-> tension leveler-> Passivation->air dryer->exit accumulator-> oiling-> cutting-> recoiling->coil unloading-> packing

The furnace heating style: improved Sendzimir heating technology

Hourly output: max.76.3t/h

Process after coating: tension leveling, Passivation or oiling

Our Service

Our quality

Test Equipments of Prepainted Galvanized Steel Coil : Salt-spray tester; Atomic absorption spectrophotometer; Rockwell typer hardness tester; Tensile test machine; Metrohm titration; Laboratory Bend test machine.

Our packing

Properly packed for ocean freight exportation in 20''container, galvanized metal fluted rings on inner and outer edges, galvanized metal & waterproof paper wall protection disk, galvanized metal & waterproof paper around circumference.

R&D department

R&D department concentrates on researching and developing reliable products with best quality. The quality department test and control every process of production to guarantee the best quality of products

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Q:Steel tonnage?: Find the volume of steel and then multiply that by the density of the steel.

Q:Why is steel denser than wood?: Steel is basically a mixture (not the compound) of iron and carbon. Iron, by itself is an element and so is carbon. The atoms of Iron are larger in size compared to carbon. All the atoms of all the elements, smaller or larger, are spherical. If naturally a solid, the atoms of all such elements have voids as their atoms are closely packed. You can imagine a basket of oranges; you could see that void or empty space (which I am speaking about) between four or more of the oranges put together. Now, when heated to more than about 1500 degrees celcius, Iron melts and atoms in molten form increase space between themselves. Raising the teperature to 1800 degree celcius, carbon is mixed with iron. At this stage it causes the spherical carbon atoms to fill in the spaces present amongst the spherical atoms of the iron. On cooling, already dense iron becomes denser because no space is left there between its atoms. This denser form of iron + carbon has become steel in which carbon is not more than 3 to 4% of the total volume. Wood is nothing but a fallen and dried tree's part. When green and alive, tree's stem and branches have pores in there texture, which are fillled with water and other biological fluids necessary for the life of the plant. When dried all the fluids, especially water gets evaporated. and the pore are empty now. The term Density, means mass divided by volume (kg / cubic meters). Iron + Carbon (the steel) so tightly packed and Iron having very high atomic weight is surely denser than wood with just carbon and a few other elements with no significant role to play in the mass calculation; particularly if their are empty pore spaces filled with air only. Imagine the mass (which common people mistakingly call the weight) in kilograms of a peice of steel with dimensions of 1 meter cube and imagine the same for the dried wood. What do you think---which one is denser?

Q:deflection calculations in a steel cylinder?: In most engineering calculations we have to make some assumptions about ideal behavior of a material otherwise we would not be able to simplify our equations to manageable sizes. Your steel cylinder (which I'll call a pipe) is made of a certain type of steel. That steel type has property tolerances listed in a steel manual to help you know about your steel before you begin. You'll need to know the cross-sectional area of the pipe and the weight of the TV to determine an average stress on the pipe. Obviously the weight of the TV is the force it generates. The force is its mass x gravitational acceleration. Since we typically think of steel as an elastic material, we think of it stretching like a rubber band or a spring. You pull it down with a TV and it deflects a certain amount, and will return to its original length when the TV is removed. It is typical to assume that all steel, regardless of its strength, has the same value for this elastic property. It is commonly referred to as the elastic modulus. This value will help you determine what type of strain occurs under what type of stress. So, once you have the stress, you can get the strain by using the elastic modulus. Once you have the strain you can determine the deflection based on the pipe length. Having the steel properties will help you determine how close your TV comes to stressing the pipe to its yield stress. If you reach a yield stress, your steel will deflect, but when you take the TV off it will not return to its original shape. I hope I've helped outline some of the things you'll need to do for the project, I tried not to give away specifics so that you can actually engage your brain around the project. Enjoy, learn a lot, and realize that this skill could easily turn into a career where you are designing projects that when done correctly save people's lives every day of the year.

Q:Is steel lighter than iron?: Steel Lighter

Q:how to make a unique piece of steel?: If you really want to do this, you should be getting some books on steel metallurgy rather than asking on Yahoo. ASM sells a Metallurgy for the non-metallurgist that would be a good introduction. Most university libraries will have the full ASM handbook that includes detailed information for different grades of steel (vol 1), heat treatment and surface hardening (vol 4), testing (vols 8-12), and casting (vol 15). A reference for continuous cooling transformation diagrams will also help in designing a heat treatment process. If you want to make something stronger than most commercial steels, you'll need to get into nanotechnology and unconventional steel processing methods like powder metallurgy. You can increase the strength of steel by about 1000% by reducing the grain size from 50 micron (typical for conventional processing methods) to 100 nm (achievable through high-energy ball milling). Though you'd also need to customize the chemistry to stabilize the grain size during the necessary thermal processing, I believe zirconium works well with iron.

Q:Are scandium revolvers as durable as steel?: You know, I've kind of wondered about that too. Admittedly Scandium is a rather durable material, no contest there... but from the perspective of a machinist who has played with said Scandium in the past... it seems to *flake* on the blanchard grinders... hell, even fly cutting it acts kinda weird. I like steel because it's predictable, it has a fatigue point that is predictable... and when that fatigue point is met (limits of elastic modulus met by repetitive stress/strain exertions) it's fairly obvious. You get cracking, warping, and sometimes stretch marks... (yes, you can get *stretch marks* on steel). Scandium... I don't know. I don't know if it'll start cracking when it finally fatigues... or if it'll just let go all at once. Anyways, I don't think I'd worry too much about your revolver. It'll hold up I'm very sure (they've been around for years and people have put many, many rounds through them). Call me odd, but I'm a fan of steel. It's conventional, inexpensive (relatively speaking), and utterly durable.

Q:drilling through stainless steel shelving.?: Just put drops of water at the spot of drilling to keep your drill bit cool. The reason your drill bit gets dull is because it gets hot and melts.You may need to re sharpen your drill bit or purchase a new one.

Q:Why are properties of steel not identical?: Grade 440C is one of the highest strength stainless steels. It is also very wear resistant. Good for use as ball bearings and other high wear applications. 400C has the highest carbon content of the 440 steels. 440A and 440B are identical but have lower carbon contents and have lower strengths and higher corrosion.

Q:Graphite or Steel Shafts for irons for a begginer?: The traditional answer was that graphite because the shafts weigh less than steel increase club head speed and would help improve distance for folks with slower swing speeds. The sacrifice was that graphite was less accurate than steel. That is all out of date thinking these days. So much has changed. Composite graphite shafts are now more stable and accurate than before while steel shaft technology has produced lighter steel shafts than before. That being said, I still recommend the graphite unless you are young and still growing. If you are young, then you will most probably grow into the steel shafts. By that I mean that your ability to swing the club faster should improve as you grow physically and learn to swing the club even better.

Q:steel residential homes and solar energy?: Sun energy technologies is not as commonplace as it's photovoltaic cousin, but is nevertheless an important piece in the actual sun power bigger picture. Solar thermal uses solar power in order to heat either drinking water or even atmosphere, that is after that transferred via collectors within order to it's location. With all the actual challenges we're dealing with in respect within order to global warming and also the stunning increase in air pollution caused by green house gas, solar energy as well as also the techniques utilized to funnel it have become vitally important to our long term which of our planet.

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