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Dx51d Z275 Roofing Houses Material Galvanised Steel Coil With High Strength

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City: Wuxi
Province/State: Jiangsu
Country/Region: China
Tel: 86-510-8868-8870
Contact Person:
Mr Gao

Dx51d Z275 Roofing Houses Material Galvanised Steel Coil With High Strength

Brand Name : winfast
Model Number : Dx51d
Certification : ISO
Place of Origin : China
MOQ : 1ton
Price : US $397-516 / Ton
Supply Ability : 6400 Ton/Tons per Day
Delivery Time : Shipped in 20 days after payment
Packaging Details : Dx51d z275 roofing houses material Galvanized Steel Coil Depends on order quantity or as customers requirements.
product name : Dx51d z275 roofing houses material Galvanized Steel Coil
Grade : Hot Rolled
Thickness : 2mm-200mm
Special Use : High-strength Steel Plate
In stock : Yes
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SALES ! Hot Dipped Full Hard Galvanized Steel Coil (GI, roofing material)

Product Description of Galvanized Steel Sheet

1)Aluminum and zinc galvanized steel is the best combination of

components and structure of the alloy coated steel.

2)Alloying elements aluminum, zinc and silicon-containing coating.
3)It combines aluminum corrosion resistance, heat resistance and

zinc electrochemical (sacrificial anode) Performance

Product Feature of Galvanized Steel Sheet

Good corrosion resistance

1)Under various environmental conditions, Galvalume exhibit excellent corrosion resistance

than galvanized steel sheet of the same thickness,and its service life is 2-6 times

that of ordinary galvanized steel.Galvanized parts due to the deformation of

micro-cracks less than galvanizing, thus forming region is much higher than the

corrosion resistance hot dip galvanized.

2)There are examples of the use of the roof for 20 years in North America.
3)It sort of life: rural industrial atmosphere --- --- --- general atmosphere of severe marine

sub-marine atmosphere

Good thermal properties

(1) Heat resistance: general galvanized products typically use temperature does not exceed 230 ℃,

reached 250 ℃ when will change, but long-term use galvanized plate at 315 ℃ environment.

(2) heat-reflective good: its reflection coefficient is hot galvanized plate twice in the summer can

reduce the indoor temperature, reducing air conditioning electricity consumption.
Aluminum (300G / M2): 40H / WATT / M2
Galvalume (150G / M2): 65H / WATT / M2
Galvanized (275G / M2): 120H / WATT / M2
Asbestos / cement: 150H / WATT / M2

Good surface properties

Small and uniform spangle
1.Color is bright silver
2.High surface hardness (scratch is not easy to rub)
3.A plurality of colors may be applied a semipermeable membrane

Good paintable

Galvalume when used as a tablet or other purposes by spray coating, degreasing simply without

the need for pre-treatment or etching treatment, because of its coating and the coating has a

good combination of polarity, and hot-dip galvanizing layerIt is not.

Relatively light weight

Because of galvanized steel plating lighter, in the case of the same coating thickness is greater

than the developed area per ton of galvanized steel, with 0.48MM, plating 40μm (both sides),

for example, its weight and tons of steel per square expand area as follows:
Weight per square meter per ton of steel to expand the area
Substrate thickness AZ150 Z275 AZ150 Z275
0.48mm 3.94kg 4.06kg 254m2 246m2

Corrosion mechanism of Galvanized Steel Sheet

Corrosion mechanism

(1) physical effects
Aluminum zinc coating on the surface of steel sheet, steel plate in contact with the outside blocking

the corrosive medium, the steel sheet eliminating the corrosive effects of corrosive media.

(2) chemical action
Corrosion beginning, zinc portion preferential dissolution (~ -1.05V), followed by aluminum-rich partially

dissolved (-0.9V), between last metal compound is dissolved (-0.75V), are lower than the electrode

potential of iron (-0.44V) Therefore aluminum zinc layer protects the substrate etching priority, called a

sacrificial anode protection.

(3) trivalent aluminum ion doped role
Polarization resistance
Rp (Al-Zn) = 10.5kΩ * cm2
Rp (Zn) = 3.1kΩ * cm2
Thus slowing the corrosion reaction speed

Company Information

Company Information---The Reason Why You Will Choose Us

  • We are an large storage company and have our own factory . We specialize in stainless steel products for 23 years, we can supply Processing services , including cutting ,welding , surface treatment and precision processing.
  • Our product line includes stainless steel sheet/plate/circle/coil/strip/pipe/tube/bar. etc and galvanized steel sheet/plate/coil/strip. etc . More than 200 kinds of products for your choice .
  • We can also supply special stainless steel product , such as Monel / Incoloy / Inconel / Hastelloy .etc
  • we have strict inspection system to ensure the quality, and all processes are carried out according to ISO 9001: 2008.
  • we are nominated as the AAA enterprise by Jiangsu government.
  • We are powerful manufacturer audited by world top inspection company ISO ,SGS, TUV and BV.
  • Our products have been exported to more than 60 countries and regions, including Europe, Middle East, South Asia, South America, Africa, United Arab Emirates .etc.
  • The annual production capacity is 50000 tons stainless steel products.

Product Tags:

galvanised steel sheet


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