Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of cold rolled hot dipped galvanised steel coil in China. Welcome to wholesale customized cold rolled hot dipped galvanised steel coil at low price from our factory. If you have any enquiry about free sample and cheap products, please feel free to email us.
Hot Dipped Galvanized Steel Coil:
Galvanized coil is a very useful metal material. It has good anti-corrosion properties and is lightweight, so it is widely used in construction, manufacturing and other industries. If you are looking for a metal material with good anti-corrosion properties, then galvanized coil may be your choice.Hot-dip galvanized sheet is a thin steel sheet that is immersed in a molten zinc bath so that a layer of zinc adheres to the surface.
Cold rolling refers to the process of processing metal materials at normal temperature, usually below room temperature.
The cold rolling process includes: raw material preparation, processing, cooling, annealing, inspection and packaging.
Specifically, the raw materials are first cut, weighed, etc., and then put into a cold rolling mill for processing. The cold rolling mill usually consists of multiple rolls, and the raw materials are pressed into a blank of a certain shape and size through multiple rollings.
It is then cooled and annealed to achieve higher accuracy and surface quality.
After inspection and packaging, the finished product can be used to manufacture parts for automobiles, electrical appliances, aerospace and other fields.
Cold rolling uses hot-rolled steel coils as raw materials, which are pickled to remove scale and then cold rolled continuously. The finished product is hard rolled coils. Due to the cold work hardening caused by continuous cold deformation, the strength, hardness, and toughness of the hard rolled coils increase. The index drops, the stamping performance deteriorates, and it can only be used for parts with simple deformation. Cold-rolled coils can be used as raw materials for hot-dip galvanizing plants because hot-dip galvanizing units are equipped with annealing lines. The weight of hard-rolled coils is generally 6 to 13.5 tons, and the inner diameter of the steel coil is 610mm. Generally, cold-rolled plates and coils should undergo continuous annealing (CAPL unit) or bell-type furnace de-annealing to eliminate cold work hardening and rolling stress, and achieve the mechanical performance indicators specified in the standard.
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Warranty |
More than 5 years |
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After-sale Service |
Online technical support, Onsite Installation, Onsite Training, Onsite Inspection, Free spare parts, Return and Replacement, Other |
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Weight |
20tons |
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Chemical Composition |
c si mn |
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Alloy Or Not |
Non-Alloy |
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Secondary Or Not |
Non-secondary |
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Project Solution Capability |
graphic design, 3D model design, total solution for projects, Cross Categories Consolidation, NONE, Others |
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Application |
Other |
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Product name |
Steel coil |
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Material |
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Surface treatment |
galvanized |
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Color |
as requirment |
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Thickness |
0.2-6mm |
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Width |
30-1250mm |
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Length |
Custom Length |
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Packing |
Packing |
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Keyword |
coli |
The 6.0 mm ultra-thick hot-based galvanizing products SGH340 and DX51D+Z produced by GNEE Group are very popular. The zinc layer thickness of the products is uniform, and the surface quality, yield strength and other indicators are excellent. They will be used to manufacture light steel keels. This thickness fills the gap in the domestic field of ultra-thick hot-based galvanized sheets.
Hot dipped galvanised coil details:
Differences between Galvanized vs. Galvalume vs. Zinc-Aluminum-Magnesium Steel：
Galvanized Steel has been around for centuries. To put it simply, it is made by coating zinc onto the steel substrate to protect it from rusting.
Galvalume is a relatively newer product. On top of the zinc coating, it also has aluminum to make the steel last longer.
Zinc-Aluminum-Magnesium, the order of the elements is in correspondence to its respective amount in the coating, uses the state-of-the-art alloy technology and has the best performance among the three, and it is paramount to stainless steel in some occasions for only a fraction of its price.
Cold Rolled Galvanized Steel Coil Application：
Galvanized coils packing：
Hot dipped galvanized steel coils manufacturers:GNEE
FAQ：
Q: How About The Quality Of Products In Your Company?
A: We have high and best quality products and our products get some good feedbacks from clients all over the world.
Once you got our products with some questions under guarantee, we will provide helps at first place. At the usual time, we keep our records about products complaints as low as 1% .
Q: What Is Your MOQ?
A: Any quantity is acceptable, and when the quantity is less than 5 tons per size, we'll supply from our stock.
Q: Can galvanized steel panels accept the third inspection?
Answer: Yes. All are acceptable.
Q: Do You Attend Any Exhibition?
A: Yes. We attend exhibition in the South America, Africa, and Southeast Asia every year.
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