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ANSWER:SGLHC is a steel grade in Japanese standard JIS G 3321, SGLHC is general use quality steel material.The base material of SGLHC is hot 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 SGLHC means hot dip 55% Aluminium-Zinc alloy coated, general use quality material.
SGLHC material steel have coil, strip, sheet condition, thickness is from 1.6mm-2.3mm.
SGLHC steel coating finish is N(Normal spangle) or M(Minimized spangle)
SGLHC steel Surface quality A (As coated surface) , B(Improved surface), C(Best quality surface)
SGLHC steel Surface treatment C (Chromization treatment) , NC (non Chromization treatment) ,M (non treatment) O (oiled), X (non oiled)
SGLHC steel Coating mass are: AZ70,AZ90,AZ120,AZ150,AZ170,AZ185,AZ200
SGLHC steel mechanical property:
Proof strength should be not less than 205Mpa
