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SUNNY TECHNOLOGIES

INCORPORATION LIMITED

Address: #101,No.6 Gaoxin Road,East Lake Hi-Tech Development District,Wuhan,P.R.China
           #2,Guangzhou Road,Tuanchenshan Development District,Huangshi,P.R.China
E-mail:
spt@sunnychina.com.cn
Tel: 156 7177 7755/027-59715061
Fax: 027-59715060

SOLUTION

Continuous galvanized sheet production line (GL)

Hot-dip aluminum-zinc-silicon (GL) products are hot-dipped aluminum (Al55%), zinc (Zn43.5%), and silicon (Si1.5%) alloys on the strip surface, which have excellent corrosion resistance.
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Detailed introduction
  Hot-dip aluminum-zinc-silicon (GL) products are hot-dipped aluminum (Al55%), zinc (Zn43.5%), and silicon (Si1.5%) alloys on the strip surface, which have excellent corrosion resistance.
  The hot-dip aluminum-zinc alloy has been successfully developed on the basis of hot-dip aluminizing and hot-dip galvanizing technology. It has excellent atmospheric corrosion resistance, heat and oxidation resistance, and excellent galvanized steel products. The electrochemical protection makes the incisions and scratches less prone to corrosion and rust.
 
  The main advantages are as follows:
  (1) The surface is smooth, has excellent resistance to atmospheric corrosion, and its corrosion life is 2-6 times higher than that of hot-dip galvanized steel;
  (2) It has good heat and oxidation resistance, long-term constant color at 300 °C, long-term use at around 500 ℃, good water and soil corrosion resistance, and its water corrosion resistance is better than hot-dip galvanized sheet and heat. Aluminized plate, which is better than soil galvanized plate, is an ideal material for making corrosion-resistant devices such as automobile silencer, exhaust pipe, grain dryer, water heater, etc. In addition, the product's heat reflectivity is higher than 75%. 2 times that of galvanized sheet;
  (3) It has excellent coating properties and good processing properties. It has strong bonding ability to organic materials and is the best choice for color organic coated steel substrate. Its processability and weldability are similar to those of hot-dip galvanized sheets, and it can be processed by cold bending, stamping, etc., and has a good appearance.
 
  Main features of the unit:
  Raw materials: cold rolled low carbon steel SPCC, SPCD, 600-1550mmx0.2-1.2 (1.5)mm, in line with JISG3141
  Plating type: GL; weight: 60-300g/m2
  Product quality: in line with Q/BQB425-2004
  Unit speed: inlet 0-260mpm, process section, 0-200mpm, exit section 0-260mpm
  Annual production: 100,000-300,000tpy
  Energy-saving mode: waste heat recovery, SUNNY patent
  Continuous annealing furnace: NOF+ radiant tube heating RTF, full radiant tube heating (RTF), vertical, horizontal or L-shaped furnace
  Fuel type: natural gas, liquefied petroleum gas, mixed gas, coke oven gas and electricity
  Welding equipment: narrow lap seam welder
  Degreased form: chemical degreasing + electrolytic degreasing + tertiary water rinsing, vertical or horizontal
  Zinc pot type: ceramic induction zinc pot: pre-melting pot + main pot
  Air knife: SUNNY patent
  Finishing machine: four-roll wet finishing, maximum rolling force 4,000KN
  Straightening machine: two bends, one bend, two bends and two corrections
  Passivation / fingerprint resistance: roll coating
  Oiling method: electrostatic oiling
  Electrical system: SIMENS/ABBPLC, AC variable frequency automatic control system
  Automation instrument: SIMENS/ABBPLC, intelligent automatic control system
 
  The main process flow of the unit:
 
Unwinding
 
  Unwinding, welding, degreasing, annealing reduction, aluminum-zinc plating, controlled cooling, finishing, tensioning, passivation/fingerprint resistance coating, etc.
Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待