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ANSWER:SGLCD is a steel grade in Japanese standard JIS G 3321, SGLCD is drawing quality steel material.The base material of SGLCD is cold rolled steel sheet.
+AZ means Application of an Aluminium-zinc coating by immersing the prepared strip in a molten bath of Aluminium-zinc-silicon. The composition of the bath is 55% of aluminium,1.6% of silicon and the balance zinc. So SGLCD means hot dip 55% Aluminium-Zinc alloy coated,drawing quality material.
SGLCD material steel have coil, strip, sheet condition, thickness is from 0.27-1.6mm.
SGLCD steel coating finish is N(Normal spangle) or M(Minimized spangle)
SGLCD steel Surface quality A (As coated surface) , B(Improved surface), C(Best quality surface)
SGLCD steel Surface treatment C (Chromization treatment) , NC (non Chromization treatment) ,M (non treatment) O (oiled), X (non oiled)
SGLCD steel Coating mass are: AZ70,AZ90,AZ120,AZ150
SGLCD steel mechanical property:
Proof strength not specified
Tensile strength should be not less than 270 MPa
Elongation should be not less than 27%
