Gold Member Since 2007
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Changzhou Dingang Metal Material Co., Ltd.

Galvalume Steel Coil, Al-Zinc Coated Steel, Gl manufacturer / supplier in China, offering Dx51d Roof Galvalume Steel Coil, Embossed Prepainted Steel Coil, Galvanized Steel Sheet with No Spangle and so on.

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Supplier Homepage Product Galvanized Steel Dx51d Roof Galvalume Steel Coil

Dx51d Roof Galvalume Steel Coil

Purchase Qty.:
25-199 200+
FOB Unit Price: US $700 US $560
Purchase Qty. (Tons) FOB Unit Price
25-199 US $700
200+ US $560
Get Latest Price
Port: Shanghai, China
Production Capacity: 3, 000, 000ton per year
Payment Terms: L/C, T/T, D/P, Paypal

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Basic Info
  • Model NO.: SGCC, DX51D, A653, SGCH, Q235B, G550
  • Certification: ISO
  • Technique: Cold Rolled
  • Edge: Mill
  • Coating: Zinc Coated
  • Width: 600-1250mm
  • Surface Finish: Regular Spangle
  • Approved Certificate: BV, SGS, ISO
  • Surface: Chromated ,Dry/Oiled, Anti-Finger
  • Trademark: Dingang
  • Specification: JIS G3002, EN 10142
  • HS Code: 72104900
  • Standard: ASTM, JIS, GB, AISI, DIN, BS
  • Surface Treatment: Galvanized
  • Application: Building and Construction
  • Stock: Not Stock
  • Thickness: 0.15-3.0mm
  • Length: 600-1250mm
  • Trade Mark: Dingang
  • Grade: SGCC, Dx51d, A792, Sgch, Q235B,G550
  • Sample: Available
  • Transport Package: standard export packing
  • Origin: china
Product Description
1. Profile of Galvalume steel coil

The plating coat of Aluminium-zinc alloy armor plate is Zn-Al alloy, and its composition is 55% Al, 43.3% Zn and 1.6% Si. The plate is of smooth surface and excellent corrosion resistance of the atmosphere, which is 2 to 6 times higher than hot-dip galvanized sheet of the same thickness of plating coat. After through three processes, including payoff reel, crop shear and welding, enter into the continuous annealing furnace. During the annealing process, strips are heated closer to the recrystallizing temperature, and then heated to 20~50ºC above the recrystallizing temperature in the reducing furnace. After keeping the same temperature for 170s, strips are naturally cooled to the normal temperature in the slow cooling process. Afterward, strips enter into the zinc pot through the elephant's trunk and begin in the hot-dip coating process. The optimum temperature range of the plating coat is 630ºC~660ºC. Coated with aluminium-zinc alloy, strips enter into the cooling tower by the steady roll and air knife. After fast cooled with wind or water, they are directly produced into Al-Zn armor plates. The general rate of cooling is 30ºC/s or so, and strips are cooled to about 60ºC.
1. Production Grade: SGCC, DX51D, Q195
2. Thickness:  0.18-1.5mm
3. Width: 914mm, 1000mm, 1200mm, 1250mm mainly
4. Coating Type: 55%Al,43.5%Zn and 1.5%Si
5. Coating Thickness (both side, g/sqm): 50-150
6. Surface Finish: Regular Spangle,
Small Spangle
7. Surface Treatment: Oring or Anti-finger print
8. Inside diameters: 508mm
Outside diameters: as per customers' requirements

Dx51d Roof Galvalume Steel Coil

3. Chemial requirements
Chemical Requiremetns for structure steel
Composition, %-Heat Analysis Element, maximum, unless otherwise Shown

4. Production line
Dx51d Roof Galvalume Steel Coil

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