DC53D + AZ steel is hot dipped galvanized steel under the standard Q/BQB 420-2003. It is used for stamping. It is widely used for the production of automobile, construction, household appliances and other industries both inside and outside covering parts and components.
DC53D+AZ steel sheet mechanical property :
STEEL GRADE |
Tensile Strength
(MPa) |
Yield Strength
(Mpa) |
n90
|
r90
|
Elongation% min
(Lo=80mm b=20mm) |
The coating adhesion
(The heart bending diameter ) | |||
min
|
min
|
<0.7mm
|
>0.7mm
|
<140/140
|
>140/140-175/175
|
>175/175
| |||
DC53D+AZ
|
270-380
|
140-260
|
-
|
-
|
28
|
30
|
0a
|
1a
|
2a
|
a . means when the thickness is more than 1.5mm, the minimum value r90 can lower 0.2.
b . means when the thickness not more than 0.7mm, the minimum value r90 can lower 0.2, n90 can lower 0.01.
c . means For difference thickness of coating products, thick coating surface as the outer surface of the bending test.
b . means when the thickness not more than 0.7mm, the minimum value r90 can lower 0.2, n90 can lower 0.01.
c . means For difference thickness of coating products, thick coating surface as the outer surface of the bending test.
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