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: I'm talking about the sort of carbon fiber that's used in the auto industry (mostly in supercars).If an object made of steel were to be copied by an exact same object, but made of carbon fiber - how lighter would the carbon fiber object be?For example, if a table is made of steel and it weighs X, how much will it weigh if it were made of carbon fiber?Thanks.: by 6L8

Q: What are the common methods of preserving steel coils?: Some common methods of preserving steel coils include applying protective coatings, such as oil or paint, to prevent corrosion and rust formation. Another method is using VCI (Vapor Corrosion Inhibitor) paper or film, which releases chemicals that prevent oxidation. Additionally, steel coils can be stored in climate-controlled environments or wrapped in moisture-resistant materials to minimize exposure to moisture and humidity, which can accelerate corrosion.

Q: How are steel coils used in the manufacturing of metalworking tools?: The manufacturing of metalworking tools heavily relies on steel coils, which are an essential component in the process. These coils, typically made from high-quality steel, serve various purposes at different stages of production to produce a variety of metalworking tools. Blades and cutting tools, for instance, are one primary application of steel coils in metalworking tool manufacturing. These coils are usually cut into specific lengths and then shaped and sharpened to create blades used for cutting, shaping, and milling different metals. The use of high-quality steel in these coils guarantees durable, strong blades capable of withstanding the demanding conditions of metalworking processes. Another use of steel coils in metalworking tool manufacturing is for the production of drill bits and other types of tooling. The coils are shaped and machined to achieve the desired size and shape of the tool, followed by a hardening and tempering process to enhance their strength and durability. This ensures that the resulting tools can endure the high-speed drilling and cutting operations involved in metalworking. Additionally, steel coils are utilized to construct the bodies and handles of metalworking tools. The coils are typically formed into the desired shape and size using various techniques like bending, rolling, and stamping. These formed pieces are then welded or fastened together to create the final structure of the tool. The high-quality steel used in the coils ensures that the resulting tool bodies and handles possess strength, rigidity, and the ability to withstand the forces and vibrations associated with metalworking operations. In summary, steel coils are crucial in the manufacturing of metalworking tools as they are used to create blades, drill bits, bodies, and handles. These coils provide the necessary strength, durability, and precision required in metalworking processes. Considered an essential raw material, steel coils enable the production of high-quality, reliable, and efficient metalworking tools.

Q: I want to start getting throwing knives and i was wondering what material is best for quality, but still cheap. I also saw some 440 stainless steel knives that i liked and wanted to know if the material was good: Good steel ain't cheap, cheap steel ain't good... If you're just starting out (practicing anyways), I would be less concerned about the material and more concerned about the style and shape of the blade to gain consistency in your technique... When you start getting proficient for competitions and such... then I'd start investigating steel grades... Anyways, here's a summary from the wiki: Type 440—a higher grade of cutlery steel, with more carbon, allowing for much better edge retention when properly heat-treated. It can be hardened to approximately Rockwell 58 hardness, making it one of the hardest stainless steels. Due to its toughness and relatively low cost, most display-only and replica swords or knives are made of 440 stainless. Available in four grades: 440A, 440B, 440C, and the uncommon 440F (free machinable). 440A, having the least amount of carbon in it, is the most stain-resistant; 440C, having the most, is the strongest and is usually considered more desirable in knifemaking than 440A, except for diving or other salt-water applications.

Q: How can the outer diameter and weight of steel coil be converted?: Of course, the calculation is relatively coarse, and the volume has a lot to do with the tension.

Q: What are the quality standards for steel coil production?: The quality standards for steel coil production typically include factors such as dimensional accuracy, surface finish, mechanical properties, chemical composition, and adherence to industry-specific standards and specifications. These standards ensure that the steel coils meet the required strength, durability, and performance criteria, and are suitable for various applications in industries like automotive, construction, and manufacturing.

Q: How are steel coils inspected for paint adhesion?: Various methods and techniques are utilized to inspect the adhesion of paint on steel coils. One commonly employed method is the tape test, which involves pressing adhesive tape onto the painted surface and swiftly removing it. The amount of paint that is lifted off by the tape is then examined to assess the adhesion. If the paint adheres well to the steel, only a minimal amount of paint will be removed. Another method employed is the crosshatch adhesion test. This test entails making parallel cuts on the painted surface using a sharp blade, creating a crosshatch pattern. A piece of adhesive tape is then applied over the cuts and rapidly pulled off. The evaluation of the paint that is removed from the crosshatched area determines the adhesion. Furthermore, a visual inspection is frequently conducted to evaluate the overall appearance and adhesion of the paint. Inspectors search for any indications of cracking, peeling, or bubbling, which may indicate poor adhesion. They also check for any areas where the paint may have chipped or flaked off. Moreover, various laboratory tests can be conducted to assess the paint adhesion on steel coils. These tests may include techniques like the pull-off test, where a specialized device is used to measure the force required to remove a small section of the paint from the surface. Other tests may involve subjecting the painted surface to extreme temperature or humidity conditions to assess the paint's performance under different environmental factors. In summary, a combination of visual inspections, tape tests, crosshatch adhesion tests, and laboratory tests are employed to thoroughly inspect steel coils for paint adhesion. These tests ensure that the paint adheres effectively to the steel surface, resulting in a durable and long-lasting finish.

Q: What are the different packaging options for steel coils?: The different packaging options for steel coils include wooden crates, steel frames, and coil covers.

Q: The knife will be large and thick. Like the Bowie knife Rambo uses in Rambo III. It doesn't need to be flexible or to hold the edge very well. But i need it to be exceptionally strong material and to stop corrosion at least decently. Is Damascus Steel good?Thank you, in advance.: If it does not could desire to hold an part o.k. then 440 stainless could be your appropriate guess. I want severe carbon steel. yet they require alot of cleansing and oiling or they're going to rust.

Q: 1943 steel pennies: You really don't want to do anything to to them. If they're rusty, that's just the way they are now. Store them in a dry place. Cleaning will do more damage than good, and will hurt the value. If it were possible to undo the damage, our cars would never rust, iron pipes wouldn't pit, and everything would be made of steel. Don't let it worry you, they're still worth having.

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