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  • DX51D/SGCC Galvanized Roofing Sheet
  • DX51D/SGCC Galvanized Roofing Sheet
  • DX51D/SGCC Galvanized Roofing Sheet

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DX51D/SGCC Galvanized Roofing Sheet
Roof panels are panels that can directly withstand roof loads. After the roof panels are assembled on the sloping beams of the gable walls on the top floor of the house, the wing panels are overlapped to cover multiple individual box shaped roof panels without visible vertical joints, forming a well integrated sloping roof.
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PRODUCT DETAILS

Parameter

Galvanized Roofing Sheet
Width500-1250mm
Thickness0.12-3.0mm
ToleranceThickness& Width:+/-0.02mm
Zinc coating20-275g/m2
Package weight3.5 -9 ton per coil
Grade AvailableSGCC,  SGCH,  SGHC,  DX51/52/53D,  ST12,  CS/FS,  SGC340/400/440,  SGH340/400/440,  S220/250/280/320/350GD,  SS33/40/50,  etc
Standard RelatedJIS G3302,  GB T2518,  ASTM A653,  EN 10346,  etc.
Spangle Type
Zero spangle,  Mini/Small spangle,  Regular spangle, Big spangle.
Surface TreatmentOiled, Chromated,  Skin-pass,  Matt/Bright,  etc.
Material HardnessFull Hard(HRB＞85),  Medium Hard(HRB60-85),  Soft(HRB＜60)
Production ApplicationRaw material for PPGI,  Pipe-making,  C/Z Purlins,  Decking sheet,  Corrugated sheet,  Household appliance,  Furniture,  Transportation facility,  etc.

Chemical Composition

bse metal typeGradeCHEMICAL COMPOSITION %
CSiMnP
cold rolled steel sheetDC51D+Z (St01Z, St02Z, St03Z) , DC51D+ZF≤0.10-≤0.50≤0.035
DC52D+Z (St04Z), DC52D+ZF≤0.08-≤0.45≤0.030
DC53D+Z (St05Z), DC53D+ZF≤0.08-≤0.40≤0.030
DC54D+Z (St06Z), DC54D+ZF≤0.01≤0.10≤0.30≤0.025
DC56D+Z (St07Z), DC56D+ZF≤0.01≤0.10≤0.30≤0.025
hot rolled steel sheetDD51D+Z (St01ZR, St02ZR)≤0.10-≤0.50≤0.035
DD54D+Z (St06ZR)≤0.01≤0.10≤0.30≤0.025

Mechanical Properties

UsageGradeYield Strength (MPA)Tensile Strength (MPA)Elongation rate %
Punching galvanized steelDX51D+Z~270-500>=20
DX52D+Z140-300270-420>=22
DX53D+Z140-260270-380>=26
DX54D+Z140-220270-350>=30
Structure galvanized steelS220GD+Z>=220>=300>=18
S250GD+Z>=250>=330>=17
S280GD+Z>=280>=360>=16
S320GD+Z>=320>=390>=15
S350GD+Z>=350>=420>=14
S400GD+Z>=400>=470~
S500GD+Z>=500>=530~
S550GD+Z>=550>=560~

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