Supply Hot-Dip Galvanized Steel Sheet/Coil

Supply Hot-Dip Galvanized Steel Sheet/Coil System 1

Supply Hot-Dip Galvanized Steel Sheet/Coil

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls

1.Structure of Hot-Dip Galvanized Steel Sheet Description：

Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications. Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.

2.Main Features of the Hot-Dip Galvanized Steel Sheet：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Sheet Images:

Supply Hot-Dip Galvanized Steel Sheet/Coil

4.Hot-Dip Galvanized Steel Sheet Specification：

Standard: ASTM, JIS,EN

Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570

Thickness: 0.1mm~5mm

Width: max 2000mm

Coil weight:3-12 MT

Coil ID:508/610mm

Surface structure: zero spangle, regular spangle or minimum spangle

Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed

Packing: Standard seaworthy export package

Technology test results:

Supply Hot-Dip Galvanized Steel Sheet/Coil

5.FAQ of Hot-Dip Galvanized Steel Sheet：

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2.How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-30 days, but the shipment will depend on the vessel situation.

Q: How can I tell the wear resistance, strength, ect from the name of the steel?how could I tell the difference between 420 and 440 steel. what does the HC in 420 HC steel mean? what do the numbers and letters in s30v steel mean?: If your question implies how to tell the differences just by looking at the actual knife then I'd say there is no real way to do that. Just about all high carbon steel's look alike. You should be able to tell the difference between a stainless steel, but which one is anybodies guess, and a carbon steel however.

Q: I know this is an alloy, but can it be mixed to form a superior steel? Therefore less likely to stain?: In general, the austenitic stainless steels are considered to have the best overall corrosion resistance of all the stainless steels and to be the most resistant to industrial atmospheres and acid media. As the corrosion conditions become more severe (e.g. higher temperatures and stronger acids), more alloy content above that in type 304 is required. The addition of over 2% Mo to austenitic stainless steels increases resistance to pitting. Type 316 is a popular alloy in this class and contains 2.5% Mo.

Q: What are the main applications of steel coils?: The main applications of steel coils include manufacturing of automobiles, construction materials, appliances, furniture, and packaging materials. They are also used in various industries such as oil and gas, aerospace, and shipbuilding.

Q: I need help! Please help, I'm in Chemistry, and me and my friend Lucy are making a presentation on steel and iron, so how is steel manufactured? Thank you. :D: The steel consists of ( Iron ) and another matter... but the popular one is iron+carbon / iron+silver - When iron is smelted from its ore by commercial processes, it contains more carbon than is desirable. To become steel, it must be melted and reprocessed to reduce the carbon to the correct amount, at which point other elements can be added. This liquid is then continuously cast into long slabs or cast into ingots. Approximately 96% of steel is continuously cast, while only 4% is produced as cast steel ingots. The ingots are then heated in a soaking pit and hot rolled into slabs, blooms, or billets. Slabs are hot or cold rolled into sheet metal or plates. Billets are hot or cold rolled into bars, rods, and wire. Blooms are hot or cold rolled into structural steel, such as I-beams and rails. In modern foundries these processes often occur in one assembly line, with ore coming in and finished steel coming out. Sometimes after a steel's final rolling it is heat treated for strength, however this is relatively rare.

Q: What are the common coil thicknesses available for steel coils?: The available thicknesses for steel coils, which are commonly used in different industries and applications, can vary depending on specific requirements. The range of coil thicknesses for steel typically falls between 0.5mm and 3mm. In lightweight applications or situations where flexibility is necessary, thinner steel coils with thicknesses ranging from 0.5mm to 1.5mm are often preferred. These thinner coils find suitability in automotive body panels, roofing, and general sheet metal fabrication. On the other hand, for applications that demand higher strength and durability, thicker steel coils with thicknesses ranging from 1.5mm to 3mm are frequently employed. These thicker coils are commonly seen in heavy-duty construction, structural components, and industrial equipment manufacturing. It is important to keep in mind that these mentioned ranges are general and can be subject to variation depending on specific project requirements or customer preferences. Steel coil thicknesses can be tailored to meet specific needs, providing greater flexibility across various industries.

Q: a picture of the atomic structure of carbon steel: This is actually a quite complex question... The atomic arrangement in steels can be controlled over a pretty wide range of different structures. This is really the fundamental reason why steel is such a commonly used material. The different atomic structures produce different physical properties so metallurgists have developed many different processes to control the atomic structure to get the properties they want. One simple answer is that Fe is BCC, body centered cubic at room temperature at equilibrium conditions. When you heat Fe up, it transforms to FCC, face centered cubic. If you continue heating Fe, it goes back to BCC, then it melts. The addition of C makes these structures (and the transformation temperatures) different. Deviating from equilibrium conditions by, for example, cooling very quickly (quenching) creates different atomic structures (one of the most important is known as martensite). Depending on how much C is in the steel, you can also have two different atomic structures (two different phases) present in equilibirum, for example, pearlite which is a mix of alpha Fe (BCC) and iron carbide Fe3C (orthorombic crystal structure). So... you need to think a little more about exactly what you want a picture of. I hope this helps

Q: If steel can rust with saltwater... then why are ships made of steel? can't we just use other metals like aluminium etc?: Ships are made of steel and also aluminum. Some minesweepers are made from fiberglass. Steel is a comparatively cheap and easily used material. But don't be confused with the type of steel that is used. Plates do not have to be replaced every year. In fact ship s can go for years with no major steel work, and this can be extended with proper maintenance like sand blasting and painting. There are many different steel alloys with different properties. Some of them resist rusting and instead of flaking they just form a powder like barrier. Check out this link.

Q: How are steel coils used in the production of metal doors and windows?: Steel coils are used in the production of metal doors and windows as they are the primary raw material. The coils are processed through various manufacturing techniques such as cutting, bending, and shaping to create the frames and panels of the doors and windows. The steel coils provide strength, durability, and structural integrity to the final products, ensuring long-lasting and secure doors and windows.

Q: What are the different methods of skin pass rolling for steel coils?: There are several methods of skin pass rolling for steel coils, including dry skin pass, wet skin pass, and temper rolling. Dry skin pass involves using a roller with a specific surface texture to improve the appearance and flatness of the steel coil. Wet skin pass, on the other hand, involves applying a thin layer of oil or water during the rolling process to enhance the surface finish and prevent oxidation. Temper rolling is a method used to improve the mechanical properties of the steel coil by subjecting it to a controlled amount of cold deformation. Each method is employed based on the desired outcome and specific requirements of the steel product.

Q: I have a knife with 154cm steel on it and I always here that you should put oil on it to keep it from rusting but I am just wondering what kind of oil? And how do I apply it and do I just leave it on there?: It's stainless steel so it doesn't really need to be oiled. Anything will do for oil if you want to wipe it down. Just put a little on a paper towel and give it a once-over.

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