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ANSWER:A792 DS is a steel grade in American standard ASTM A792/A792M, this specification covers 55% aluminum-zinc alloy-coated steel sheet in coils and cut lengths. A792 DS is Drawing quality steel
Coating composition of A792 DS steel: the 55% aluminum-zinc alloy coating composition, by weight is normally 55% aluminum, 1.6% silicon, and the balance zinc.
A792 DS steel coating finish is N(Normal spangle) or M(Minimized spangle)
A792 DS steel Surface quality A (As coated surface) , B(Improved surface), C(Best quality surface)
A792 DS steel Surface treatment: Chemically treated or not chemical treated, oiled or not oiled.
A792 DS steel Coating mass are:
AZ30,AZ35,AZ40,AZ50,AZ55,AZ60,AZ70,AZM100,AZM110,AZM120,AZM150,AZM165,AZM180,AZM210
A792 DS steel yield strength should be 140-240 MPa
A792 DS steel Elongation should be not less than 30%
R value should be 1.3-1.7
N value should be 0.18-0.22
