S220GD Galvalume Steel Coil
The coating on S220GD Galvalume Steel Coil is typically aluminium-zinc (Galvalume), generally comprising 55% aluminium, 43.5% zinc, and 1.5% silicon. This coating endows the steel coil with outstanding atmospheric corrosion resistance, offering 2-4 times the durability of galvanised steel sheets. It also possesses excellent heat resistance, capable of withstanding elevated temperatures.
Classification
Steel Coil

- Product Description -


Base material
CR Full hard steel coils
Standards
GB, ASTM, EN, JIS




Grade
DX51D, DX52D, DX53D, DX54D
S250GD, S280GS, S300GD, S320GD, S350GD, S550GD
CS type A, CS type B, FS, DS, EDDS
Grade 33, Grade37, Grade40, Grade50, Grade80
SGCC, SGCH, SGC340, SGC400, SGC440, SGC570
Thickness
0.25-1.2mm
Width
720-1250mm
Zinc coating
AZ30-AZ150 g/m2
Spangle
Regular spangle
Surface treatment
Chromated, Oiled, AFP (anti-finger print)
Coil weight
3-25MT
Coil ID
508 or 610mm

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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DX53D Galvalume Steel Coil 2

DX52D Galvalume Steel Coil 2

28579

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8.20

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