Hot Dipped Galvanized Steel Coil for Building Materials

Hot Dipped Galvanized Steel Coil for Building Materials

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Model NO.:Hot Dipped Galvanized Steel Coil

Surface Treatment:Galvanized

Certification:ISO, SGS, BV, RoHS, IBR

Technique:Cold Rolled

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

Application:Roofing, Wall, Corrugated, Structure...

Edge:Mill

Stock:Stock

Steel Grade:Dx51d, SPCC, SGCC, CGCC, S350gd

Name:Hot Dipped Galvanized Steel Coil

Thickness:0.14-1.2mm

Width:600-1250mm

Surface:Oiled, Galvanized, Chromated

Zn Coating:40-275GSM

Spangle:Zero, Small, Big, Regular

Coil Weight:3-10tons

Coil ID:508/610mm

Certificate:BV, ISO

Test:QA-QC-Mtc

Export Markets:Global

Additional Info.

Packing:Standard Export Package

Standard:0.14-1.2mm*762-1250mm

HS Code:7905000000

Production Capacity:30000 Tons/Year

Product Description

1. Galvanized steel coil simple introduction:

Galvanized steel coil means that steel coils has gone through a chemical process
To keep it from corroding, so this protective metal, zinc layers, does not get rusty as easily. The coating also gives the steel a more durable, hard to scratch finish.

(1)Thickness:0.14-1.2mm
(2)Width:600-1250mm
(3)Material:SGCC,DX51D,S350GD,SPCC,CGCC
(4)Zn:40-275gsm
(5)Surface:oiled,chromated
(6)Application: Corrugated,Wall,Roofing,Structure and so on

2. Galvanized steel coil technical processing:
1)Uncoiled and sheared
2)Cleaned using a caustic solution, which can remove oil/grease, dirt, and paint
3)Entry looper to revised and then annealing furnace
4)Steel is dipped into the molten zinc bath
5)Cooled in a quench tank to reduce its temperature
6)Post treatment and crimper

3. Galvanized steel coil quality control:
Strict procurement process---skillful technical workers---final products inspection
(resistance to corrosion, salt spray test, exposure test, machinability, thermal resistance)
---standard packing

4. Galvanized steel coil advantages:

1)Zinc coating has good adhesion
2)Resistant to corrosive factors
3)High strength&quality
4)Strict quality control system
5)Standard export sea-worthy packing

5. Why choose us?

1).Advantages: We have two production line of PPGI and two lines for the galvanized steel coil, total yearly output is about 500000mt Also we have 56 professional salesperson from three international sales department, a group of technical engineers
And skillful quality control inspector.

2). Special technology support: We have two production line of pre-painted steel coil
And two lines for the galvanized steel coil, total yearly output is about 500000mt. In
Order to meet our customers new requirements, We also can manufacture the special
Products, such as Printed, Filmed, Pressed, Matte steel coil and the full hard G550
Galvanized steel and galvalume steel.

3). Conform the international quality standard: All products for export, according to the
International quality standard of Europe, Japan, Russia and America to produce.

Hot Dipped Galvanized Steel Coil

Q: What are the different types of steel coil welding methods?: There are three main types of steel coil welding methods: continuous welding, spot welding, and seam welding. Continuous welding involves joining the edges of steel coils continuously, creating a seamless weld. Spot welding involves applying a series of localized welds at regular intervals along the coil edges. Seam welding is a combination of continuous and spot welding, where a continuous weld is created by intermittent spot welds.

Q: How are steel coils used in the production of roofing and siding?: Roofing and siding materials heavily rely on steel coils as a vital element. These coils, crafted from high-quality steel, undergo several processes to convert them into the final products used in roofing and siding. To start with, the steel coils are unwound and flattened to obtain a smooth steel sheet. Subsequently, this sheet is thoroughly cleansed to eliminate any impurities or contaminants. The cleansing procedure involves treating the steel's surface with chemicals and rinsing it meticulously to ensure a spotless and sleek surface. Following this, the steel sheet receives a protective layer to enhance its durability and resistance against corrosion. This coating can be executed through various techniques such as hot-dip galvanizing, electro-galvanizing, or applying a metallic or organic layer. The preferred method of coating depends on the desired properties and aesthetic requirements of the roofing or siding material. After the coating process, the steel sheet is shaped and formed into the desired structure and profile. For roofing purposes, the steel sheet is commonly corrugated or shaped into interlocking panels. This facilitates easy installation and guarantees a secure and weather-resistant roofing system. Similarly, for siding applications, the steel sheet can adopt various profiles like horizontal or vertical panels, shingles, or shakes. Once the steel sheet is formed, it may undergo additional treatments to improve its performance. This can involve applying a protective coat of paint or other finishes to enhance its appearance and resistance against fading, chipping, or scratching. The steel coils can also be embossed or stamped with patterns or textures to provide aesthetic appeal. In conclusion, steel coils play a vital role in the production of roofing and siding materials. They offer strength, durability, and weather resistance, making them an ideal choice for safeguarding structures from the elements. Furthermore, steel coils provide versatility in terms of shape, profile, and finish, allowing for a wide range of design options for roofing and siding applications.

Q: What is the major disadvantage of hardened steel? Do you think this form of iron would be wear resistant and retain a sharpened edge?: The major disadvantage of hardened steel is that it is very brittle unless it is tempered. Hardened steel would be wear resistant, and would hold an edge as long as you don't cut anything harder than a boiled egg - the impact of the knife on a cutting board would shatter it.

Q: How are steel coils processed before being used in manufacturing?: Before steel coils are used in manufacturing, they undergo a series of processing steps. Initially, the steel coil is uncoiled from a large spool, a process that is typically carried out using a machine known as a decoiler. Once the coil is uncoiled, it is carefully inspected for any defects or damages. Following inspection, the steel coil is subjected to a process called leveling. This involves passing the coil through a set of rollers to eliminate any unevenness or waviness in the steel. By doing so, the leveling process guarantees that the coil has a uniform thickness and a flat surface, which is crucial for subsequent processing. The subsequent step involves thoroughly cleaning the steel coil to eliminate any impurities it may have, such as rust, oil, or dirt. Typically, this is accomplished by running the coil through a cleaning line, where it is treated with chemicals and water sprays. Through this cleaning process, the surface of the coil is thoroughly cleansed of any contaminants that could potentially compromise the quality of the final product. Once the cleaning process is complete, the steel coil may undergo additional processes tailored to the specific requirements of the manufacturing process. For instance, the coil may undergo annealing to enhance its ductility and reduce its hardness. Annealing entails heating the coil to a specific temperature and gradually cooling it. This process serves to alleviate internal stresses and enhance the mechanical properties of the steel. Upon completion of all necessary processing steps, the steel coil is now ready to be utilized in the manufacturing process. It can be further processed into various forms and shapes, such as sheets, plates, or strips, depending on the specific requirements of the manufacturing process. These processed steel coils find application in a wide array of industries, including automotive, construction, appliances, and machinery.

Q: hi, i have a steel block with an unussual composition. does anyone know if this is any particular type?c- .6%, si - .33%, mn - .6%, sulphur - .014%, phosphorous - .013%, ni - 1.69%, Cr, 1.07%, molybdenum - .67%: You have opened a can of worms. Specific types of steel vary not only by composition but by the way they were made, their physical properties and their morphology (microscopic structure). The composition you have given would fit for High Carbon Steel and Medium Carbon Steel. Go to the reference I've given, it allows you to put in 3 of the components of your alloy and then it gives you a list of possibilities. You can open each candidate individually and see the full composition. Hours of fun. :)

Q: Are steel coils affected by temperature changes?: Yes, steel coils are indeed affected by temperature changes. Steel is known to expand and contract with temperature fluctuations. When exposed to high temperatures, steel coils expand, and when subjected to low temperatures, they contract. These thermal expansions and contractions can cause changes in the dimensions and shape of the steel coils, which can potentially affect their performance and functionality.

Q: Where are the coils and the steel plates used? Where did the steel plate come from?: The use of steel coils, refrigerators, washing machines, household appliances, and other industries, parcels are winding.Steel plates can also be found everywhere: airplanes, guns, trains, ships, space shuttles, spaceships, automobiles, etc..Steel plate through mining - sintering - iron smelting - smelting - forming.

Q: What are the common thickness tolerances for steel coils?: The common thickness tolerances for steel coils usually range from +/- 0.001 to +/- 0.005 inches, depending on the specific industry standards and customer requirements.

Q: hi i was doing a little history project on guns. i was just wondering if anyone could help me find out what material was used before steel and why this material wasnt as good as steel ( its faults)thanks for your help: The most common was bronze, which was the strongest material that could be cast, at least until the industrial revolution. Until that time, furnaces which could reach temperatures hot enough to melt steel did not exist. The only way to work with steel would have been forging, which means hammering it into shape while red-rot. Obviously, this is not a very practical method for making large thick-walled cannons (though it was done on occasion. Small arms such as pistols and muskets could be easily made of steel by hand forging.) The most practical way to make cannons was pouring molten bronze which melts at significantly lower temperature than steel. Cast iron was also used. Note that Cast Iron contains 3%-7% carbon, compared to steel which only contains between 2% to 0.2% carbon. Due to the excessive carbon content of cast iron, it's melting point is about 500 degrees lower than steel enabling it to be melted with pre-industrial furnaces. Unfortunately, cast iron is also brittle, unlike steel or bronze. This means that a defective or cracked casting could easily explode, sending iron shrapnel everywhere. (Also, maiming and killing the gun crew, an experienced gun crew was as valuable as the cannon itself!) For this reason. Cast iron cannon were usually considered a cheap, risky alternative to expensive but durable bronze.

Q: Is there a chemical that can be applied (spraid, brushed, adhere) to a steel surface to decrease the heat conductive properties of the metal (so it doesn't heat up as quickly)?Thanks in advance!: There is, but I don't know what it is made out of. It is probably some fireproof, foam material which acts like insulation. I doubt it is designed to resist abrasion however. Most things which adhere to metal surfaces are not flameproof, and those which do resist fire are not good insulators. For example, the ceramic coating of appliances like stoves and washing machines adhere very well and are fire resistant, but do not insulate. It was the failure of the steel insulation which caused the collapse of the world trade centers. The impact of the airplane tore away all the insulation on the supporting struts of the building and then the fire caused the steel to soften and break. Steel was once insulated by wrapping it in asbestos cloth and then applying plaster over this to form a shell. It did not actually adhere to the steel but it did insulate it, and was fireproof. However asbestos is a cancer hazard and a lot of old buildings are being stripped of their asbestos as a safety precaution. The asbestos can be replaced with fiberglass which is usually duct taped together.

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