Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of cold rolled dx51d+z galvanized steel coils in China. Welcome to wholesale customized cold rolled dx51d+z galvanized steel coils at low price from our factory. If you have any enquiry about free sample and cheap products, please feel free to email us.
DX51D+Z Galvanized Steel Coils:
What is steel grade DX51D+Z?
DX51D+Z is called hot-dip galvanizing, and 275 represents 275 grams of zinc plated. That is to say, a layer of zinc is plated on the hot-dip galvanizing. In general, N refers to the fingerprint-resistant coating on the surface. A refers to the A-level surface.
Galvanized steel coils production process:
1.Uncoiler
2.Welder
3.Entry Looper
4.Pre-treatment
5.Annealing Furnace
6.Zinc Pot
7.Cooling Tower
8.Water Quench Tank
9.Skin Pass
10.Tension Leveler
11.Passivation Coater
12.Exit Looper
13.Recoiler
The production and processing of galvanized steel coils can be divided into three steps: first, the entire coil is pickled to remove rust and dirt, so that the surface of the galvanized steel strip can achieve a bright and clean effect; after pickling, pass ammonium chloride or zinc chloride It is cleaned in an aqueous solution or a mixed aqueous solution of ammonium chloride and zinc chloride, and then sent to the hot-dip plating tank for the galvanizing process; after the galvanizing process is completed, it can be put into storage and packaged.
Product Specification
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Other Products
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Cold Rolled DX51D Galvanized Steel Coils | |||
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Brand
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Gnee Steel
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Grade
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Thickness
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0.12-2.0mm or Customized
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Width
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600-1219mm or Customized
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Zinc Coating
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40-180g/㎡ or Customized
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Certificate
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ISO9001:2008/SGS/BV
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Coil ID
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508mm/610mm
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Weight Per Pallet
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2-3Ton
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Color
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Ral No. or as customer’s requirement
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Application
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Steel plant, Car showrooms, Steel structure office, Construction, Roofing
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Delivery Time
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20-45 days depending on processing requirement & business season
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Package
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Standard seaworthy package
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Surface Treatment Of Galvanized Steel Coil
| Surface treatment type | Code | Feature |
| Chromic acid treatment | C | Good corrosion resistance, suitable for bare state |
| Chromic acid treatment + oiling | S | Good corrosion resistance |
| Phosphoric acid treatment (including sealing treatment) | P | A certain degree of corrosion resistance, good paint performance |
| Phosphoric acid treatment (including sealing treatment) + oiling | Q | It has certain corrosion resistance, good paint performance, and prevents rust during transportation and storage |
| Phosphoric acid treatment (excluding sealing treatment) | T | A certain degree of corrosion resistance, good paint performance |
| Phosphoric acid treatment (excluding sealing treatment) + oiling | V | Have certain corrosion resistance, good paint performance, and prevent rust |
| Oiled | O | Prevent rust during transportation and storage |
| No treatment | M | Suitable for immediate painting |
DX51D+Z Galvanized Steel Coils:
Cold Rolled Galvanized Steel Coils Surface:
Galvanized steel coil sheet application:
Galvanized Steel Coils And Sheet:
GNEE Company customer case:
About GNEE:
FAQ:
Q1: Could you provide the DX51D+Z Galvanized Steel Coils samples?
A1: Yes, we could provide the free samples on condition that it is available in stocks, however, the transportation fee is borne by buyer.
Q2: Can we visit your factory?
A2: Sure, we welcome you to visit our factory , check our production lines and know more about our strength and quality.
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