Galvanized Steel Coil of Best Quality in China

Galvanized Steel Coil of Best Quality in China System 1

Galvanized Steel Coil of Best Quality in China

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls
1.Structure of Hot-Dip Galvanized Steel Sheet Description：

Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications. Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.

2.Main Features of the Hot-Dip Galvanized Steel Sheet：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Sheet Images

Galvanized Steel Coil of Best Quality in China

4.Hot-Dip Galvanized Steel Sheet Specification

Standard: ASTM, JIS,EN

Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570

Thickness: 0.1mm~5mm

Width: max 2000mm

Coil weight:3-12 MT

Coil ID:508/610mm

Surface structure: zero spangle, regular spangle or minimum spangle

Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed

Packing: Standard seaworthy export package

Technology test results:

Processability	Yield strength	Elongation %	Elongation %	180°cold-bending
Common PV	-	270-500	-	d=0,intact,no zinc removal
Mechanical interlocking JY	-	270-500	-	d=0,intact,no zinc removal
Structure JG	>=240	>=370	>=18	d=0,intact,no zinc removal
Deep drawn SC	-	270-380	>=30	d=0,intact,no zinc removal
EDDQ SC	-	270-380	>=30	d=0,intact,no zinc removal

5.FAQ of Hot-Dip Galvanized Steel Sheet

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2.How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-30 days, but the shipment will depend on the vessel situation.

Q: How are steel coils used in the manufacturing of electrical transformers?: Steel coils are used in the manufacturing of electrical transformers as they provide structural support and act as a core for the transformer. The steel coils are wound with copper wire to create the primary and secondary windings, which help in transferring electrical energy efficiently.

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?: I know of no one who makes steel buckshot. Probably for several reasons. Steel is much lighter than lead. Penetration depends on energy, which is the weight of the pellet vs. the velocity of the pellet, equated into ft.lbs. Steel pellets have to travel much faster to achieve the same energy as a lead pellet. Steel, being lighter, would lose energy much faster downrange. The weight difference would be like teeing up a golf ball, and striking it with a club, and teeing up a ping pong ball and striking it with a club. The distance in flight would be obvious. Steel also, is much harder than lead, and would be hard on the barrel, and choke. It also would not deform, which would cause ricochets. Steel shot was a handicap for waterfowler's when the USFWS made non toxic shot mandatory. Waterfowl are bottom feeders, and they were eating the spent lead pellets, and dying from lead poisoning. Steel shot cut the effective range of a shotgun from 45 yards to around 35, and resulted in many cripples and lost birds. Environmetal, makes a T size shot which is .20 caliber, and is called Hevi-shot. Lead is heavier than steel, and Hevi-shot is heavier than lead. At the same velocity, you have 12 to 15% more energy than lead. and probably 20% better than steel....Hope this helps

Q: I was just thinking, is their a way to make steel qualities inherent in concrete, therefore eliminating the need for re bar?: Mixing hot steel with liquid concrete would be very hazardous to your health. Steal in a molten state would flash the water in the concrete mix into steam and the steam would blow concrete and steel out of your mold. This would be about like being shot with a shotgun. This occurred in a steel mill near me some years ago on a rainy day when some steel splashed from a ladle and landed on a puddle of water, part of the siding was blown off the building and one worker sent to the hospital.

Q: How can I tell the wear resistance, strength, ect from the name of the steel?how could I tell the difference between 420 and 440 steel. what does the HC in 420 HC steel mean? what do the numbers and letters in s30v steel mean?: So what does all that mean in the real world of knives. 420 has very low carbon by blade standards, as such it is just junk steel. There are three grades of 440, A, B and C. The amount of carbon in A is about half of what C has. (carbon is what makes steel get hard). Iron is very much like a sponge in that it can absorb and hold different alloys. These alloys give the iron different attributes, and they can magnify each other. Like a sponge iron can only hold so much, for Chromium it is around 13%. At that point the steel becomes stainless. The drawback is a loss of strength. As a bladesmith my knives are generally 59 to 60 rch, 420 and 440 at its hardest is 59 but at that it is brittle so most makers draw it down to around 57. In my test a knife made of 420 couldn't make 5 slicing cuts through rope (most couldn't make one). 440 averaged between 5 and 10. Compared to the lowest grade of carbon steel I use (5160) which average between 25 to 30 on the same rope. I have tested many stainless blades and the rule always the same, the more chromium past 13% the weaker the blade and the less edge holding ability.

Q: Why can hot rolled coils be placed outside?: Because hot-rolled steel coils are generally used as raw material for semi-finished products, they have to be further used for pickling and cold rolling to make more use. The rust and dust can be removed after pickling

Q: Galvanized Steel or Standard Steel. This will be for the grilling surface.: Steel is not good at all for BBQ grills. But Galvanized will kill you. So if you must use Steel. But for the best use cast iron grates to cook on.

Q: How are steel coils stored to prevent damage?: Steel coils are typically stored in a way that minimizes the risk of damage. They are usually placed on pallets or in racks to keep them off the ground and provide stability. Additionally, they are often secured with bands or straps to prevent movement during storage and transportation. Proper ventilation is also important to prevent moisture buildup, which can cause corrosion. By implementing these measures, the risk of damage to steel coils is significantly reduced.

Q: i need a company that sells strong steel doors because my neighbors apartment was broken into. I need a strong steel door for the outside of the home, where you first enter. please list places in the US, or in NY.: You can find strong steel door here...

Q: Ive been playing with my ping i3 graphite irons for 6 years now and some days i can hit it and some days i cant. Then i tried out my friends irons the other day and he had steel and i was hitting the ball anywhere i wanted it to go..Is that a fluke or is steel irons just better than shaft? I was thinking about trading my graphites for steel, is that a good idea??: Graphite is a lot lighter and will allow you to generate more swing speed and probably greater distance. I hit my graphite clubs about one club longer than my steel shafts. But, my steel shafts are far more accurate. I find I hit a lot more greens in regulation using my steel shafted irons than I do with my graphites. Since accuracy is far more important than distance for most people, I choose the steel shafted irons most of the time. You will NEVER see a professional or a low handicapper using graphite irons for this reason.

Q: What are the different methods of roll forming steel coils?: There are several different methods of roll forming steel coils, including hot rolling, cold rolling, and continuous casting. Hot rolling involves heating the steel above its recrystallization temperature and then passing it through a series of rollers to shape it into the desired form. Cold rolling, on the other hand, is performed at room temperature and involves passing the steel through rollers to increase its strength and improve surface finish. Continuous casting is a method where molten steel is continuously poured into a mold and then cooled to form a solidified strip or slab. These methods offer different advantages and are used in various applications based on the desired properties of the steel product.

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