ALFUN a.s.

Cold rolling steel sheets and strips varnished by organic coated

Steel sheets with organic coatings are suitable for an applications, where the corrosion resistance has basic importance in this application.

 

Standards:

 

Technical terms of deliveries

EN 10346

Dimensional and shape deviation tolerances

EN 10143

Application: For roof covering in the building industry, bent profiles, parts for building panel and architectural elements.

Material for varnishing: The basic material for the varnished strips are steel sheets, treated by zinc dipping, drawn and structural qualities or cold rolled sheets without surface treatment.

 

Steel mark EN 10346Mechanical properties
Contractual Yield limit  - Rp0,2 min./ max. MPaStrength limit - Rm min./ max. MPaElongation - A80 min. %
DX51D+Z - 270 - 500 22
DX52D+Z 140 - 300 270 - 420 26
DX53D+Z 140 - 260 270 - 380 30

 

Steel mark according to EN 10346Mechanical properties
Contractual Yield limit - Rp0,2 max. MPaStrength limit - Rm min. MPaElongation - A80 min. %
S220GD+Z 220 300 20
S250GD+Z 250 330 19
S280GD+Z 280 360 18
S320GD+Z 320 390 17

 

Dimensions in mm:Sheets / trimmingCoil / strip
Thickness 0,6 - 2,0 0,6 - 2,0
Width 100 - 1 550 20 - 1 550
Length 100 - 6000 -
Coil´s inner diameter - 508 / 650
Coil´s outer diameter - max. 1 800

 

Varnish surface layer:

Front side: 18 – 25 microns
Back side: protective coat 7 – 10 microns

Zinc surface layer:

Z100 / Z140 / Z200 / Z275

Coating materials:

  • polyester
  • PVDF (polyvinyldenfluorid)

 

Type of coating:

  • one-side
  • both-sides

 

Colour shades:

shades according to RAL scale with correction in compliance with the manuracturer´s scale of colour shades, in version:

  • gloss
  • semi-matt
  • matt

 

We deliver them in strips and sheets in the thickness from 0,6 do 2,0 mm, when we can split them longitudinally or transversally, in various dimensions.



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