DC53D+Z, DC53D+ZF Hot-dip galvanized steel

2014/4/29 23:28:40

DC53D+Z, DC53D+ZF is the material for hot dipped galvanization under the standard Q/BQB 420-2003. The old grade for DC53D+Z is St05Z, but it is not used now. If need grade St05Z, DC53D+Z can also meet your need.
DC53D+Z, DC53D+ZF Chemical composition:

Grade	Chemical composition %
Grade	C max	Si max	Mn max	P max	S max	Alt min	Ti max	Nb max
DC53D+ Z. DC53D+ZF	0.08	-	0.40	0.030	0.030	-	-	-

DC53D+Z, DC53D+ZF 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 )
STEEL GRADE	Tensile Strength (MPa)	Yield Strength (Mpa)	min	min	<0.7mm	>0.7mm	<140/140	>140/140-175/175	>175/175
DC53D+ Z DC53D+ZF	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.

Our company, BEBON is engaged in the Galvanized industry for more than ten years. We have export to the material DC53D+ Z DC53D+ZF to many countries and get the customer’s consistent high praise. If you want to get high quality and competitive price for DC53D+ Z DC53D+ZF, please contact with us.