• HDGI/GI Hot-Dipped Galvanized Steel Sheet in Coil/GI Coil/G550/G90 System 1
  • HDGI/GI Hot-Dipped Galvanized Steel Sheet in Coil/GI Coil/G550/G90 System 2
  • HDGI/GI Hot-Dipped Galvanized Steel Sheet in Coil/GI Coil/G550/G90 System 3
HDGI/GI Hot-Dipped Galvanized Steel Sheet in Coil/GI Coil/G550/G90

HDGI/GI Hot-Dipped Galvanized Steel Sheet in Coil/GI Coil/G550/G90

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
500 m.t./month

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The main technology of Galvanized steel sheet is proceeding by the chemistry degrease and electroanalysis with the cold rolled steel coil and sheet ,clean the oils on the surface of steel, sufficiently heated to the proper temperature for zinc coating, pass by level up, strain rectify , and then passivation or annoit etc.. Hot dip zinc is in order to improve anti-erode and prolong the usage period of material, at the same time it can beautify the surface and add arty.

Our hot dip galvanized steel sheet is widely used in such field as light industry, electrical home appliances, motorcar and construction.

 

 

Base material:

 

cold rolled steel coil   hot roll steel coil

Steel type:

low carbon mild steel, extra lower carbon mild steel, low alloy steel, high strength steel

Zinc coating weight:

60-275g/m2, Al-Zn: 60-180g/m2

Thickness:

0.15-1.5mm

Width:

20-1250mm

Internal Diameter:

508mm, 610mm

Quality standard:

EN10142, EN10326, EN10169,JIS3302, ASTMA755M, GB/T12754

Steel Grade

DX51D, DX52D, DX53D, S220GD, S250GD, SGCC

Surface Finish:

Normal spangle, Minimized spangle ,Skin-passed spangle, No spangle

Surface Treatment:

Chromate-passivated (C),Oiled (O),Chromate-passivated + Oiled (C+O),Untreated (U),Anti-finger treatment,Phosphate treated(P)

Weight of coil:

1-8 MT

Package method

Vertical, Horizontal


Q:How are steel coils recycled?
Steel coils can be recycled through a process that involves melting them down in a furnace, removing impurities, and then shaping the molten steel into new coils or other steel products. This recycling method helps conserve resources, reduce waste, and significantly cut down on energy consumption compared to producing steel from raw materials.
Q:How are steel coils inspected for chemical composition?
The chemical composition of steel coils is examined using spectroscopy, a process that involves the utilization of a spectrometer. This instrument analyzes the light emitted or absorbed by a sample to determine its chemical makeup. Normally, a small portion of the coil is taken and prepared for analysis in the case of steel coils. This portion is then placed in the spectrometer, where a beam of light is emitted onto it. The light interacts with the atoms and molecules in the sample, causing specific wavelengths of light to be emitted or absorbed. The spectrometer measures the intensity of the emitted or absorbed light at different wavelengths and generates a spectrum, which is essentially a distinct fingerprint for the sample. This spectrum is then compared to a database of known spectra for various elements and compounds to ascertain the chemical composition of the steel. Through spectroscopic analysis, the presence and concentration of different elements like carbon, manganese, phosphorus, sulfur, and other trace elements in the steel can be identified. These elements have a significant impact on the steel's properties, strength, and suitability for different applications. Ensuring that the steel complies with the required specifications and standards, inspection for chemical composition is crucial in the steel industry. Any deviation from the desired chemical composition can potentially compromise the steel's performance and result in structural failures or other defects. In conclusion, spectroscopy offers a highly precise and dependable method for examining the chemical composition of steel coils. This aids in maintaining the quality and integrity of the steel products.
Q:What are the different coil slitting methods used for steel coils?
Steel coils can be slit into smaller, narrower coils using various methods. These methods serve the purpose of cutting the coils to suit specific applications. 1. The most commonly used method for coil slitting is blade slitting. Circular knives or blades are employed to cut the steel coil into narrower strips. These blades are placed at predetermined intervals and usually attached to a rotating shaft. As the coil passes through the blades, their circular motion slices through the coil, resulting in the desired narrower strips. 2. Another method, known as rotary shear slitting, involves the use of two sets of rotary shear knives to cut the steel coil. These upper and lower sets of knives rotate in opposite directions, creating a scissor-like cutting action. As the coil is fed through the shearing blades, the sharp edges of the knives slice through the coil, producing the desired narrower strips. 3. Sliding shear slitting is yet another method utilized for coil slitting. This method involves a stationary upper knife and a moving lower knife to cut the coil. The lower knife moves back and forth across the coil while the upper knife remains fixed. As the coil passes through the moving knife, it is cut into narrower strips. 4. Crush slitting is a less common method employed for coil slitting. In this method, the steel coil is fed through a set of rollers equipped with blades. Although the blades are not sharp, the pressure exerted by the rollers crushes and fractures the coil, resulting in the creation of the desired narrower strips. 5. Laser slitting is a modern and precise method used for coil slitting. It utilizes a laser beam to cut through the steel coil. The laser beam is directed onto the coil, and its high intensity melts and vaporizes the steel, creating a narrow slit. Laser slitting offers high accuracy and a clean cut, making it suitable for specialized applications. Each of these coil slitting methods possesses its own advantages and limitations. The choice of method depends on factors such as the type of steel, desired strip width, production volume, and required precision. Manufacturers select the most suitable method based on their specific requirements and the properties of the steel coils they are processing.
Q:What is the standard diameter of steel coils?
The standard diameter of steel coils can vary depending on the specific industry and application. However, in general, the standard diameter of steel coils typically ranges from 24 inches to 72 inches. This range allows for easy handling, transportation, and storage of the coils. It is important to note that different industries may have their own specific requirements for steel coil diameters based on factors such as equipment compatibility, production processes, and logistical considerations.
Q:I have a steel garage, it looks worn out hauled away? How can I maintain / repair it?
The entire garage is steel? Garage door? Are you able to open and close it without too much trouble? If so, just keep it lubricated. You could paint the door to improve its appearance.
Q:What are the different grades of steel used in coils?
There are several different grades of steel that are commonly used in coils, including low carbon steel, high carbon steel, stainless steel, and advanced high-strength steels. Each grade has its own unique properties and is chosen based on the specific requirements of the application, such as strength, corrosion resistance, and formability.
Q:Is there any other way of testing whether or not you have a 1944 Steel penny that won't damage the penny. The magnet test doesn't seem to work cause even when I try to get a 2007 penny to stick to the magnet...it won't. So is there some kind of magnet needed? Like power wise or anything like that, if not then I need to know what are other ways of testing the 1944 penny.
This Site Might Help You. RE: 1944 Steel Penny? Is there any other way of testing whether or not you have a 1944 Steel penny that won't damage the penny. The magnet test doesn't seem to work cause even when I try to get a 2007 penny to stick to the magnet...it won't. So is there some kind of magnet needed? Like power wise or anything...
Q:Well im currently doing a project. Wanna help me? Because trust me, i really need it. You know how steel was created in China? If you didnt, you just learned something newww(: but anyways got any info on that? Websites? or just info from websites? Well lemme know because if its the best you get Best Answer Easy points right? (: Okay thanksss (:
Steel is created in a primitive way whenever iron oxide ore (red dirt) is mixed with wood and burned. Seemingly everyone has a pet theory how their own selected country was the first to notice and do it on purpose. Regards, Larry.
Q:I noticed that Jimmy Page finger picked on a steel acoustic guitar on quite a few tracks like Stairway to heaven and other ones and I was wondering how did he do it? I know it is more difficult to finger pick on a steel acoustic because of the rougher steel strings and higher tensions so I was wondering do they make specific strings that allow for fingerstyle playing? Also Randy Rhoads finger picked a steel acoustic on Dee along with a Classical guitar.
First okorder /... In truth their are many, many players who finger pick acoustic guitars, once you get the hang of the various picking patterns it's not extremely difficult to do. There aren't really any specific strings that are required to finger pick. It will mostly come down to the players preference and the type of music they are doing. It is actually more difficult to finger pick an electric guitar since you have less room between the strings and the pickup so you will find that a lot of times you will hit the pickup with the metal finger pick which can be a bit disturbing but practice helps. Pat SImmons of the Doobie Brothers uses finger picks on a Gibson ES335 all the time.
Q:Why is steel used for building purpose and not any other metal?
Steel is used for building purpose because of its steadfast quality. The steel has an intense resistance which renders it completely immune to dangers of corrosion, climatic variations, weather fluctuations and other environmental hazards, thereby making it the most suitable metal for exterior surface of the building. Internal structure of steel also helps the building to have strength at the core which enables it to stand erect for a longer time.

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