Zinc Coated Gi Galvanized Steel Coil for Construction

Zinc Coated Gi Galvanized Steel Coil for Construction

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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:Eutectoid Steel: Eutectic steel is used to produce pearlite, bainite, spheroidite and martensite steels. Those steels vary in strength, hardness and ductility. One uses martensite steel for example in razor blade manufacturing. Of course there is no end to the various uses of these steels.

Q:I am trying to make a homemade fender eliminator for my motorcycle and the instructions from the site I found said to use 22 gage weld steel. I went to lowes and all they had was 26 gage sheet metal. What is the difference between the two? Is weld steel less flexible?: 22 gauge steel is thicker than 26 gauge steel. They are saying weld steel but actually mean black steel(mild steel) not galvanized. You will be hard pressed to find 22 gauge black steel unless you go to a local sheet metal shop or go online to find it. The big box stores most likely will not carry 22 ga. black steel. Also not many sheet metal shops don't carry sheet metal that thin unless it is galvanized. Try searching online for 22 gauge mild steel, or black steel, or let your fingers do the walking and try a couple of local metal or welding shops.

Q:How are steel coils used in the production of storage racks?: Steel coils are used in the production of storage racks as they serve as the primary raw material for manufacturing the rack components. These coils are typically cut and formed into various structural shapes, such as uprights, beams, and crossbars, which are then assembled to create the storage rack system. The strength and durability of steel make it an ideal material for supporting heavy loads, ensuring the stability and longevity of the storage racks.

Q:What are the properties of high-strength steel coils?: High-strength steel coils possess several distinct properties that make them highly desirable in various industrial applications. Firstly, these coils exhibit exceptional strength, meaning they have a high tensile strength and can withstand significant amounts of force or weight without deformation or breakage. This property allows them to be used in demanding environments or for heavy-duty purposes. Another key property of high-strength steel coils is their excellent resistance to wear and tear. They have a high level of hardness, which enables them to resist abrasion, impact, and other forms of mechanical stress. This makes them ideal for applications where durability and longevity are crucial, such as in construction, automotive manufacturing, and machinery production. Additionally, high-strength steel coils often possess excellent corrosion resistance. They are typically coated or treated with protective materials to prevent rust or other forms of deterioration caused by exposure to moisture, chemicals, or harsh environmental conditions. This corrosion resistance property ensures the longevity and reliability of the coils, making them suitable for applications in marine environments or outdoor structures. High-strength steel coils also offer good formability, meaning they can be easily shaped or bent without losing their strength or integrity. This property allows manufacturers to create complex or custom shapes for specific applications, enhancing their versatility and adaptability. Lastly, high-strength steel coils are known for their light weight compared to other materials with similar strength properties. This low weight-to-strength ratio makes them a preferred choice in industries where weight reduction is crucial, such as aerospace or automotive manufacturing. It allows for improved fuel efficiency, increased payload capacity, and overall cost savings. In summary, high-strength steel coils exhibit properties such as exceptional strength, resistance to wear and tear, corrosion resistance, formability, and light weight, which make them valuable and versatile materials in various industries.

Q:steel of beam has been rusted ,how can i repair it?: chrome steel is an alloy of iron and different metals, fairly Chromium and vanadium. you do no longer see it with the bare eye yet on the exterior of any chrome steel (SS) there are iron atoms and chromium atoms that are uncovered. in spite of the shown fact that, the chromium reacts preferentially to type an oxide. In essence, think of of chromium sacrificing itself for iron so as that iron won't rust. What a helpful guy huh! it somewhat is reported as passivation purely like maximum responders suggested. in spite of the shown fact that, greater desirable than that the chromium oxide varieties a good shielding layer that varieties a actual barrier combating Oxygen or any oxidant to realize and attack the iron below it. additionally, the chromium oxide shaped isn't FLAKY and porous, so it does not mar maximum of the exterior as an iron oxide (rust) would. For technology project, you won't make it too technical yet you additionally could make a reference or make an ANALOGY of rust prevention to intense college or social circumstances as being there to your pal or classmate yet in real existence, whilst the possibilities are too great, that secure practices afforded via chromium won't be adequate. because of the fact ultimately all steel uncovered to very oxidizing atmospheres will rust. in basic terms somewhat ruin in the exterior is sufficient to initiate the technique of rusting.

Q:How do steel coils withstand extreme temperatures?: The unique composition and manufacturing process of steel coils enable them to endure extreme temperatures. Steel, the primary material in coils, consists of iron and carbon, forming an alloy with exceptional thermal properties. With a high melting point of up to 2,500 degrees Fahrenheit (1,370 degrees Celsius), steel remains structurally stable even in intense heat. Additionally, the annealing process is commonly applied to steel coils. This involves heating the steel to a specific temperature and gradually cooling it down. By relieving internal stresses, annealing enhances the steel's resistance to thermal expansion and contraction. It also reduces internal defects, thereby improving the overall strength and durability of the steel, enabling it to better withstand extreme temperatures. Furthermore, protective coatings are often applied to steel coils to provide additional resistance against temperature fluctuations. These coatings, such as galvanized or zinc coatings, act as a barrier between the steel and the external environment. They effectively prevent oxidation, corrosion, and other forms of degradation that can occur when exposed to extreme heat or cold. In conclusion, the ability of steel coils to withstand extreme temperatures can be attributed to the inherent properties of steel, the annealing process that relieves internal stresses, and the protective coatings that offer an extra layer of resistance. These factors work in harmony to ensure that steel coils maintain their structural stability and performance, even in the most challenging temperature conditions.

Q:How is the demand for steel coils influenced by the construction sector?: The demand for steel coils is heavily influenced by the construction sector. As construction activities increase, so does the demand for steel coils as they are essential for various construction applications such as structural components, roofing, and reinforcing materials. Conversely, when construction activities decline, the demand for steel coils also decreases. Therefore, the construction sector plays a crucial role in driving the demand for steel coils.

Q:How are defects in steel coils detected and resolved?: Defects in steel coils are typically detected through various non-destructive testing methods such as visual inspection, ultrasonic testing, magnetic particle testing, and eddy current testing. Once a defect is identified, it is resolved through processes like grinding, polishing, welding, or cutting out and replacing the affected area. The specific resolution method depends on the type and severity of the defect, ensuring that the steel coils meet the required quality standards before further processing or usage.

Q:Search the internet for 'Frost Clipper Knife'. This knife comes in either stainless or carbon steel. I have a friend who has one (stainless steel) and he is very impressed with it, but I have heard that Carbon Steel blades are better? Discuss...: If your talking about a folding pocket knife, I think that it's basically six one way and a half dozen the other. I actually do prefer stainless for my pocket knives. I don't want to oil a knife to the degree I feel carbon requires, only to then stick it my pocket to attract dirt to the knife and oil to my pants. I'm the exact opposite on sheath knives though. I like 1095 carbon steel, plain edge sheath knives. I'll thrash on them HARD, and I rarely have major edge problems. Of course, I require them to be coated with some kind of powder coat or the like, because they can rust, but I do try and keep them clean and dry when in the sheath, so they won't pit the uncoated edge. My reasons for this sheath knife preference is multi-fold. First, these knives are simply affordable. I don't spend $80 dollars on a outdoors sheath knife. I use the tool too hard to want to spend more. I don't like the more traditional stainless steels such as AUS-8, 420HC, and 440C (not to mention the HORRENDOUS 440A) because I feel that the all else being equal, a stainless blade will bend before a carbon blade will break. I also think that carbon holds an edge at least as well, if not better, than traditional stainless, and it's much easier to hone. I don't know much about these new laminates, other than the very hard, but not so tough. They seem to be POSSIBLY too brittle for my use. That, combined with the fact that they cost a FORTUNE, means that I just won't be considering them.

Q:Steel is a mixture of Iron Carbon . So , is steel a metal or non - metal ?: Steel is an alloy mostly made of metallic elements. You really wouldn't classify steel as a metal or a nonmetal. That terminology is mostly used with pure elements.

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