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zinc coated aluminium roofing sheets,Galvalume Roofing Sheet 

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zinc coated aluminium roofing sheets,Galvalume Roofing Sheet

Product description

Galvalume steel coil,resistance to corrosion has better performance in corrosion resistance

than hot dip galvanized coil/sheet of the same thickness and its service life is 1-5 times

 longer than general hot dip galvanized coil/sheet ,and thermal resistance can sustain the

 environment at 315°C for long time.

Specification

Commodity Galvalume Steel (55% Al-Zn Coated Steel Coil)
Technical Standard JIS G3321, ASTM A792M / A924M or equivalent
Surface Treatment Galvalumed
Grade SGCC, SGHC,Q195.Q235,ST12,DX51D / DX52D/ DX53D/ S250,S280,S320GD
Types Commercial / Drawing / Deep Drawing / Structural quality
Width 600-1250mm
Thickness 0.12-4.0mm
Coating Mass     AZ30 ~ AZ180
 Surface Finish Regular Spangle
Mechanical Property Chemical Composite and Mechanical Property could meet the requirements of GB/T,ASTM, ENAW, JIS Standard
Hardness FULL HARD/SOFT/HARD
Edge Treatment  FULL HARD/SOFT/HARD
Technique Cold/hot rolled
Zinc coating 30-275g/m2
Surface treatment chromed / skinpass/ oiled/slightly oiled/ dry/ anti-fingerprint
Zero Spangle ZERO SPANGLE/MINIMIZED SPANGLE/REGULAR SPANGLE
Coil ID 508mm or 610mm
Coil weight 3-8 MT per coi

Product show

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Flow chart

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Application

  1. Building Material,

  2. Insulation

  3. construction

  4. Industry material

  5. Decoration material

  6. Automotive Industrial

  7. TV back board

  8. Traffic Sign

  9. Kitchen utensils

  10. PP caps

  11. Cell mask

Color altas

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Tips when using galvalume steel coil

1.Storage
Galvalume coil is supplied passivated or oiled to temporarily limit any risk of black rust

formation. During transport and storage, allnecessary precautions must be taken to

 keep the material dry and to prevent the formation of condensation. Improved

protectioncan be obtained by the application of an Easyfilm coating.
2.Forming and joining
The forming and joining techniques currently used for uncoated steel sheets are also

 suitable for Aluzinc coil.The coating thickness must therefore be compatible with

both the desired degree of corrosion protection and the requirements of the

forming and welding processes envisaged. Forming performance is improved if

Aluzinc is coated with an Easyfilm thin organic coating.
3.Painting
Galvalume coil can be painted after degreasing and surface treatment when delivered

oiled. Aluzinc coated with an Easyfilm thin organic coating can be painted directly,

without any prior surface treatment. However, the paint must be compatible with

 the Easyfilm resin.
4.Weldability
In electrical resistance welding, the welding current must be suitably regulated and

 regularly adjusted. Electrode life can be extended by regularly stepping up the

welding current and periodically dressing the electrodes.

Packing and loading

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Factory

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    Questions?
    Deyang Sunrise International Co.,Ltd
    +86.13228613228

    manager@dysunrise.com
    Skype:yunchuan.xiao

    24 hours every day
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