Hot-dip galvanized products and similar grades and standard comparison

Product	Product name	Grade
Hot-dip galvanized sheet	Continuous hot-dip galvanized sheet/coil for cold forming
		DX51D+Z/ZF、DX52D+Z/ZF、DX53D+Z/ZF、DX54D+Z/ZF、DX56D+Z/ZF、DX57D+Z/ZF
		CS-A/B、FS-A/B、DDS-A/C、EDDS
		APFC 340、APFC 390、APFC 440
	Cold rolled structural steel continuous hot dip galvanized sheet/coil	S220GD+Z/ZF、S250GD+Z/ZF、S280GD+Z/ZF、S320GD+Z/ZF、S350GD+Z/ZF、S410GD+Z(ZF)
		SGHC+Z、SGH340+Z、SGH440+Z
		SS230/255/275/340
Hot-dip Al-Zn/Zn-Al Sheet	Hot-dip Al-Zn/Zn-Al alloy coated steel sheets and strips	DX51D+AZ/ZA、DX52D+AZ/ZA、DX53D+AZ/ZA、DX54D+AZ/ZA、DX56D+AZ/ZA、DX57D+AZ/ZA
Hot-dip Al-Zn/Zn-Al Sheet	Hot-dip Al-Zn/Zn-Al alloy coated steel sheets and strips	S220GD+AZ/ZA、S250GD+AZ/ZA、S280GD+AZ/ZA、S320GD+AZ/ZA、S350GD+AZ/ZA

Product name		Product size (mm)				application
		Nominal thickness	Nominal width	Nominal length
				steel plate	steel belt
Continuous hot dip galvanized sheet/coil	Ordinary grade	0.25～2.5	800～2080	1000～4000	Inner diameter of roll 510/610	For simple forming operations and hand formed parts.
	Stamping grade
	deep drawing	0.50～2.0
	Extra deep drawing					For extruded and complex shaped molded parts.
	super deep drawing					For deep drawing and more complex shaped parts.
	structural level	0.35～2.5	800～2080	1000～4000	Inner diameter of roll 510/610	For roof panels, wall panels, etc.

category	steel grade	grade	Type of coating	Supply standard	Usage
High for cold forming Yield Strength Steel	High strength IF steel	H180YD、H220YD、H260YD	+Z	Q/WG(LZ)04.1-2009	It is suitable for the manufacture of deep-drawn parts with complex deformation and high strength requirements.
			+ZF
	High yield strength steel for cold forming	H180BD、H220BD	+Z	WJX（LZ）220-2006	The stamping performance is excellent, and the strength is improved to a certain extent after painting and baking. It is suitable for the manufacture of exterior and interior parts of automobiles.
			+ZF	WJX（LZ）242-2006
		GMW3032MCR180B2、GMW3032MCR210B2		Delivery according to technical agreement
	low alloy high strength steel	H260LAD、H300LAD、H340LAD、H380LAD、H420LAD	+Z	WJX(LZ)240-2009	It is used to manufacture various structural parts and reinforcements, such as car seats, beams, etc.
		GMW3032M CR240LA、GMW3032M CR270LA、GMW3032M CR300LA、GMW3032M CR340LA、GMW3032M CR420LA	+ZF	Delivery according to technical agreement
multiphase steel	Duplex steel	HT500DPD	+Z	WJX(LZ)223-2006	It is used to manufacture high-strength stamping parts for automobiles.
		HT600DPD	+ZF	WJX(LZ)244-2006
	TRIP Steel	HT600TD	+Z	WJX(LZ)234-2006	It is used to manufacture stamping parts with high energy absorption such as automobile crash beams.
		HT700TD	+ZF	WJX(LZ)261-2007
		HT800TD		WJX(LZ)264-2007
Other	热轧钢带热镀锌结构钢(直镀料)	SGHC	Z	WJS(LZ)75-2009A	Hot-rolled steel strip, hot-dip galvanized structural steel (direct plating material)
		SGH340			structure.
		SGH440