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Hot-dip Aluminum-zinc/Zinc-Aluminum coated steel SGCC SGC400 SGC440 SGC490 SGC570

Oct 09, 2025

Hot-dip Aluminum-zinc/Zinc-Aluminum coated steel

 

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  • Hot-dip zinc-aluminium coating (ZA) : application of a zinc-aluminum coating by immersing the prepared strip in a molten bath of zinc-aluminum. The composition of the bath is approximately 5% aluminium, small amounts of mischmetal and the balance zinc.
  • Hot-dip aluminium-zinc alloy coating (AZ): application of a aluminium-zinc coating by immersing the prepared strip in a molten bath of zinc-aluminum-silicon. The composition of the bath is 55% aluminium, 1.6% of silicon and the balance zinc.

 


Grade

Standard

T (mm)

Surface Treatment

Coating mass

DX53D+ZA,DX51D+ZA,DX52D+ZA,
DX54D+ZA,DX56D+ZA,DX57D+ZA,
DX51D+AZ,DX52D+AZ,DX53D+AZ,
DX54D+AZ,DX56D+AZ,DX57D+AZ

EN10346

0.2-3.0

C ,
O,
CO,
S ,
P,
U

ZA095,
ZA130,
ZA185,
ZA200,
ZA255,
ZA300
AZ100,
AZ150,
AZ185

S220GD+ZA, S250GD+ZA,
S280GD+ZA, S320GD+ZA,
S350GD+ZA,S390GD+ZA,
S420GD+ZA,S450GD+ZA,
S550GD+ZA,S220GD+AZ,
S250GD+AZ,S280GD+AZ,
S320GD+AZ,S350GD+AZ,
S390GD+AZ,S420GD+AZ,
S450GD+AZ,S550GD+AZ

HX260BD+AZ,HX220BD+AZ,
HX260YD+AZ,HX260LAD+AZ,
HX220YD+AZ,HX180YD+AZ,
HX180BD+AZ,HX160YD+AZ,
HX300BD+AZ,HX340LAD+AZ,
HX300LAD+AZ,HX380LAD+AZ,
HX340BD+AZ,HX300YD+AZ,
HX460LAD+AZ,HX500LAD+AZ,
HX420LAD+AZ,HCT600C+ZA,
HCT780T+ZA,HCT980XG+ZA,
HCT980X+ZA,HCT490X+ZA,
HCT450X+ZA,HCT980C+ZA,
HCT590X+ZA,HCT690T+ZA,
HCT780C+ZA,HCT780X+ZA,
HX180BD+ZA,HX180YD+ZA,
HX220BD+ZA,HX220YD+ZA,
HX260BD+ZA,HX260LAD+ZA,
HX260YD+ZA,HX300BD+ZA,
HX300LAD+ZA,HX300YD+ZA,
HX340BD+ZA,HX340LAD+ZA,
HX380LAD+ZA,HX420LAD+ZA,
HX460LAD+ZA,HX500LAD+ZA,
HX160YD+ZA

SGLHC,SGLH400,SGLH440,
SGLH490,SGLH540

JIS G3321

1.6-2.3

C ,O ,X, NC, M

AZ70, AZ90, AZ120, AZ150, AZ170, AZ185, AZ200

SGLCC, SGLCD, SGLCDD, SGLC400, SGLC440, SGLC490, SGLC570

0.25-2.3

A792 CS, A792 DS, A792 FS, A792 THS,
A792 Grade 33(230), A792 Grade 37(255),
A792 Grade 40(275), A792 Grade 50(340),
A792 Grade 60(410), A792 Grade 70(480),
A792 Grade 80(550)

ASTM A792/A792M

0.25-3

 

AZ30(AZM100), AZ35(AZM110), AZ40(AZM120), AZ50(AZM150), AZ50(AZM165), AZ60(AZM180), AZ70(AZM210)

 

Hot-Dip Aluminum-Zinc/Zinc-Aluminum Coated Steel

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