Galvanization or galvanizing is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are submerged in a bath of molten zinc.



SPECIFICATION

HOT-DIP GALVANIZED STEEL COIL/SHEETS
	ASTM A792M-06a	EN10327-2004/10326:2004	JIS G 3321:2010	AS-1397-2001
COMMERCIAL QUALITY	CS	DX51D+Z	SGCC	G1+Z
STRUCTURE STEEL	SS GRADE 230	S220GD+Z	SGC340	G250+Z
	SS GRADE 255	S250GD+Z	SGC400	G300+Z
	SS GRADE 275	S280GD+Z	SGC440	G350+Z
	SS GRADE 340	S320GD+Z	SGC490	G450+Z
	SS GRADE 550	S350GD+Z	SGC570	G500+Z
		S550GD+Z		G550+Z
THICKNESS	0.12MM--5.00MM
WIDTH	750MM-1850MM
COATING MASS	20g/m2-400g/m2
SPANGLE	REGULAR SPANGLE,MINIMIZED SPANGLE,ZERO SPANGLE
SURFACE TREATMENT	CHROMATED/NON-CHROMATED,OILED.NON-OILED, ANTI FINGER PRINT
COIL INNER DIAMETER	508MM OR 610MM
*HARD QUALITY GALVANIZED STEEL(HRB75-HRB90) AVAILABLE ON CUSTOMER'S REQUEST（HRB75-HRB90）

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