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 :

 
DC51D+AZ steel plate mechanical property :

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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