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Related products : DC54D+AZ steel , DC53D+AZ steel , DC52D+AZ steel
DC51D+AZ steel is a kind of hot dipped galvanized steel under the standard Q/BQB 420-2003 and it is a kind of low carton steel. The products are widely used in the automotive, appliance, construction, machinery manufacturing and other industries.
DC51D+AZ steel sheet Chemical composition :
|
Grade |
Chemical composition % |
|||||||
|
C |
Si |
Mn |
P |
S |
Alt |
Ti |
Nb |
|
|
DC51D+AZ |
0.10 |
--- |
0.5 |
0.035 |
0.035 |
--- |
--- |
--- |
DC51D+AZ steel plate mechanical property :
|
STEEL GRADE |
Tensile Strength |
Yield Strength |
n90 |
r90 |
Elongation% min |
The coating adhesion |
|||
|
min |
min |
<0.7mm |
>0.7mm |
<140/140 |
>140/140-175/175 |
>175/175 |
|||
|
DC51D+AZ |
270-550 |
- |
- |
- |
20 |
22 |
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.
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