Zinc Coated Gi Galvanized Steel Coil for Building

Zinc Coated Gi Galvanized Steel Coil for Building

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Model NO.:roofing sheet

Surface Treatment:Galvanized

Technique:Cold Rolled

Standard:ASTM, JIS, GB, AISI, DIN, BS, GOST

Steel Grade:Q235

Grade:Dx51d / Dx52d/ Dx53D/ S250,280,320gd

Width:914, 1000, 1200, 1219, 1220, 1250

Base Material:Galvanized or Gavalume, Steel

Thickness:0.14mm to 1.5mm

Zinc Coating:40-150GSM

Length:up to The Thickness

Lacquer:Top Side15-25 Micro,Back Side 5 Micro

Surface:Passivation Unoiled Free Spangle Passivated

Export Markets:Global

Additional Info.

Trademark:STW or OEM

Packing:Export Seaworthy Packing

Standard:According to Your Requirement

Production Capacity:20000 Metric Tons/Month

Product Description

Specifications;
1.     Aluzinc coating mass: 30g-275g/sqm
2.     Coil weight:4-6 tons per coil
3.     Edge treatment: Mill edge or cut edge.
4.     Technical treatment: Bright annealed, flatting, cold harden.
5.     Surface treatment: Annealed, bright finish, dull/bright finish, slit edge.
6.     Spangle: Normal/small/big/zero spangle.
7.     Delivery terms: FOB / C&R / CIF
8.     Supply Ability: 30000MT/month
9.     Application: The construction industry: The roof structure, keel, grill, Clapboard, ceilings, fire shutter doors, etc; The light industry, the Automobile, agriculture, animal husbandry, fishery, casing of household Electronic application, civilian smoke stack, etc.
10.   Delivery time: Within 30 days after the receipt of L/C or Signed the contract or according to customer's requirement.
Special design available according to requirement; Anti-corrosion And high-temperature resistant with black painting; All the production process Are made under the ISO9001: 2000 strictly

MOQ	50MT
What knid of color we can offer	RAL not only RAL, we can provide the color according to customer' s sample
What is the paint?	PE, PVDF
What is the original material for color-coated coil? Galvanized steel coil/cold rolled coill?	PPGI(raw material GI), GI(raw material CRC) CRC( raw material HRC)
Surface	Regular/mini/zero spangle, chromated, skin pass, dry etc.
Coil Inner Diameter	508mm
Strength of material ?	G550= 550 mpa, normally around 280 mpa
what is the range of width we can do	750mm, 762mm, 914mm, 1000mm, 1200mm, 1219mm, 1220mm, 1250mm
Thickness of the zinc coating	Z40 to Z275
which color is most popular?	Blue in China, brown, red, green in oversea market
The weight of each coils?	Normally 5Tons. We can customized 3-6Tons
What is the leadtime?	Normally for coils we can delivery it within 25-30 days. Depends on the quantity
How many years of the paint would be lasting?	Different zinc, paint coating would lead to different result, and the environment has great impact on the life time of painting.
Applications	With excellent cold bending molded manufacturablity, good decoration effect, strong anti-corrosion ability, galvanized steel coils and sheets are also pollution-free and easily recycled. Accordingly, they can be used as final products and basic plates of color coated steel coils and widely applied in construction, home appliances, decoration, ect.

Q:What are the challenges in coil blanking for high-strength steel?: Coil blanking for high-strength steel poses several challenges due to the unique properties of this material. One of the main challenges is the high tensile strength of the steel, which makes it more difficult to cut and blank compared to conventional steel grades. The high-strength steel is typically harder and less malleable, leading to increased tool wear and higher cutting forces. This requires the use of specialized cutting tools that are capable of withstanding these extreme conditions. Additionally, the increased cutting forces can lead to more vibration, which may affect the accuracy and quality of the blanks. Another challenge is the spring-back effect that high-strength steel exhibits after cutting. This means that the material tends to revert to its original shape, making it difficult to achieve precise dimensions and tolerances in the blanks. This issue requires careful consideration and adjustment of the cutting parameters to minimize the spring-back effect. Moreover, high-strength steel often has a higher carbon content, which can result in increased work hardening during the blanking process. Work hardening causes the material to become even harder and more brittle, making it more prone to cracks and fractures. To overcome this challenge, proper lubrication and cooling techniques are crucial to reduce heat buildup and minimize the risk of cracking. Furthermore, the increased strength of the steel may also affect the overall production efficiency. The higher cutting forces and tool wear mean that the cutting speeds may need to be reduced, leading to longer processing times. This can impact the productivity and throughput of the coil blanking process, requiring careful optimization and planning. In summary, the challenges in coil blanking for high-strength steel include increased cutting forces, tool wear, spring-back effect, work hardening, and reduced production efficiency. Overcoming these challenges requires specialized cutting tools, precise cutting parameters, proper lubrication and cooling techniques, and careful optimization of the production process.

Q:What are the different methods of galvanizing steel coils?: There are several methods of galvanizing steel coils, including hot-dip galvanizing, electro-galvanizing, and continuous galvanizing.

Q:How do steel coils contribute to the aerospace manufacturing industry?: Steel coils are essential in the aerospace manufacturing industry as they are used to produce various components, such as aircraft bodies, wings, and landing gear. These coils provide the necessary strength, durability, and resistance to extreme conditions required for aerospace applications. Additionally, steel coils can be easily shaped and welded, enabling manufacturers to create complex and precise structures, thereby enhancing the safety and efficiency of aircraft.

Q:how do i quinch steel? i heard instead of water oil will actually make it harder... wat ways are best for wat steels? and how do i tell wat kind of steel i have?... i will be doin this with my poket knife..: boy what a though question ! let me explain. when you rapidly cool a steel from high temperatures(depending on steel type) with water or oil or other means , it is called quenching. it depends on the steel type to say if it is better to quench it with oil or water but basically in water you will have a harder steel rather than oil. for some steels if you do this you will ruin it's properties ! you can't totally tell what kind of steel do you have until you get it analyzed with Quantometer analyzer with a pocket knife it is more like an estimation and it can't be trust able generally if you can scratch the steel with your knife it means it is not a hard steel and it might not be expensive. I hope that helps but for more information i need to know more !

Q:So I want to get my 3+ wood shafted with a dynamic gold shaft because i need a stiffer shaft but dont want to spend much on it.I've never swung a steel shafted wood, but I hear that it is more consistent that graphite....Plus, since the cost of steel is only $15 compared to the $65 graphite, not to mention installation charges.So yeah...... How good is steel for fairway woods?BTW, my swing speed is about 95 but i can amp it up to 110 (with control, that is): i take advantage of a three timber off the tee while a motive force could bypass in the process the fairway on a dogleg, or while the fairway gets narrower the further you hit it. Use it to get as close to to a par 5 in 2 as i will, or perhaps even attain a par 5 in 2. Use it to make up floor in case you permit out a rigidity, every time the photos demands me to hit it between 220 and 235 it quite is approximately how some distance I hit my 3 timber. I additionally carry a 5 timber which I hit approximately 2 hundred to 215 and extremely severe so it lands comfortable. i do no longer carry any hybrids regardless of the undeniable fact that as I nevertheless like to hit long irons.

Q:I have two theories, which one's correct?My book says that steel is made up of 98% iron and 2% carbon.98% of iron's molar mass (55.85 g/mol) is 54.733.2% of carbon's molar mass (12.01 g/mol) is .2402.If you add them up that gives you that steel has a molar mass of 54.97 g/mol.However, steel's chemical formula is Fe(3)CThat would make it's molar mass 179.56 g/mol.( Because 3(55.85) + 12.01 = 179.56 )Which one is correct?: Steel is an alloy - a mixture not a compound; it doesn't have a chemical formula. Only elements and compounds have molecular weights, not mixtures that aren't composed of a uniform molecule, so neither answer is correct.

Q:Why does steel with several composites have a greater hardenability from quenching than low carbon steel alloys?Any help would be great: Bit tricky to explain and I don't know muh about it but steel on its own has lost of gaps in it ( the molecular structure) and when carbon is added thos gaps are filled, I think of it like this: it is easier to punch through expanded polystyrene( with all the little balls) than unexpanded(just a lump of plastic) as the balls are not properly joined and have air pockets between them.

Q:I'm a hiker and cook on a camp fire with a canteen cup. So which would be a better material for cooking on a campfire with, aluminum or stainless steel?: I added a few more pieces. Love the glass lids. I have a couple pieces of Le Creuset, but it is too heavy even before the food goes in and I don't like dealing with it. I regret buying the Le Creuset now---should have just bought the Lodge Enameled Cast Iron stuff for about a fourth of the cost. I do have a Lodge 5 qt. dutch oven that I use to deep fry and it is a nice piece and easy to clean. The LC dutch oven does a nice job when I want stew-type recipes.

Q:I'm trying to bend stainless steel spoons, forks knives etc. for an art project. Will heating them help bend them into certain shapes or will heat only strengthen it? What is the best way to bend stainless steel?: We are regular buyers of such bends.

Q:How are steel coils used in the manufacturing of pipes?: Steel coils are used in the manufacturing of pipes by being uncoiled and fed into a pipe-making machine. The steel is then shaped and welded to form a continuous pipe, which is cut and shaped to the desired length and diameter.

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