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ANSWER:A792 SS Grade 37(255) 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 SS Grade 37(255) is Structural steel
Coating composition of A792 SS Grade 37(255) steel: the 55% aluminum-zinc alloy coating composition, by weight is normally 55% aluminum, 1.6% silicon, and the balance zinc.
A792 SS Grade 37(255) steel coating finish is N(Normal spangle) or M(Minimized spangle)
A792 SS Grade 37(255) steel Surface quality A (As coated surface) , B(Improved surface), C(Best quality surface)
A792 SS Grade 37(255) steel Surface treatment: Chemically treated or not chemical treated, oiled or not oiled.
A792 SS Grade 37(255) steel Coating mass are:
AZ30,AZ35,AZ40,AZ50,AZ55,AZ60,AZ70,AZM100,AZM110,AZM120,AZM150,AZM165,AZM180,AZM210
A792 SS Grade 37(255) steel yield strength should be not less than 37Ksi(255MPa)
A792 SS Grade 37(255) steel tensile strength should be not less than 52Ksi(360MPa)
A792 SS Grade 37(255) steel Elongation should be not less than 18%
