Galvalume steel coil is a type of steel that is coated with zinc for protection by an electroplating process. The galvanized layer is applied to cold rolled steel at low temperatures. So it is also known as cold galvanized steel.
PRODUCTS INTRODUCTION
SOFTWARE
Product Parameters
Product Name
Galvalume Steel Coil
Thickness
0.12mm-6.00mm
Width
600mm-1500mm
Length
1m-12m, Support Customization
Standard
AISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc.
Thickness of Aluminum Zinc Coating
30-185g/m²
Content of Al-Zn Coating
Al: 55%, Zn: 43.5%, Si: 1.5%
Chemical Composition
Al
Zn
Si
Fe
Cu
Cd
Pb
Sn
Ni
Close Cr
55-58
41-43
1.5-2
0.25
0.03
0.05
0.01
0.05
0.05
0.05
Mechanical Properties
Grade
Yield Strength MPa≥
Tensile Strength MPa≥
Elongation A%≥
DX51D Z/ZM/AZ/AM
240-380
270-500
22
DX52D Z/ZM/AZ/AM
140-300
270-420
26
DX53D Z/ZM/AZ/AM
140-260
270-380
30
DX54D Z/ZM/AZ/AM
120-220
260-350
36
S220GD Z/ZM/AM
220
300
20
S250GD Z/ZM/AZ/AM
250
330
19
S280GD Z/ZM/AM
280
360
18
S300GD A/AM
300
380
18
S320GD Z/ZM/AM
320
390
17
S350GD Z/ZM/AZ/AM
350
420
16
S450GD A/AM
450
480
15
S550GD Z/ZM/AZ/AM
550
550
-
Galvanized Surface Selection
Zero Spangle
Minimized Spangle
Normal Spangle
Large Spangle
Type of Coating
Recommended Coating Weight
Aluminum-zinc Alloy
30/40/50/60/75/90/100/150
A: Coating quality50g/㎡,approximately equal to the coating thickness13.3pm