Hot dip galvanized steel sheet

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Hot dip galvanized steel sheet

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Hot-dip galvanizing is the reaction of molten metal with an iron substrate to produce an alloy layer, thereby combining the substrate and the plating layer. Hot-dip galvanizing is to pickle iron and steel parts first. In order to remove iron oxide on the surface of iron and steel parts, after pickling, it is cleaned in an ammonium chloride or zinc chloride aqueous solution or a mixed solution of ammonium chloride and zinc chloride.And then sent to the hot-dip plating bath. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.

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PRODUCT DETAILS

Echnical Standard	EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653 JIS G3302,ASTM A653M,EN10327,DIN17162,EN 10142,EN10292,
Steel Grade	Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490,SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer’s Requirement
Type	Coil/Sheet/Plate/Strip
Thickness	0.12-6.00mm,or customer's requirement
Width	600mm-1500mm, according to customer's requirement
Type of Coating	Hot Dipped Galvanized Steel(HDGI)
Zinc Coating	30-275g/m2
Surface Treatment	Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U) galvanized，PVC，black and color painting，transparent oil，anti rust oil
Surface Structure	Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS)
Package	Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by seven steel belt.or according to customer's requirement

Stamping steel

Q/BQB 420-2003	Q/BQB 420-2001	Q/BQB 422-2000
DC51D+Z(St01Z,St02Z,St03Z)	St01Z,St02Z,St03Z	DC51D+Z
DC51D+ZF	-	DC51D+ZF
DC52D+Z(St04Z)	St04Z	DC52D+Z
DC52D+ZF	-	DC52D+ZF
DC53D+Z(St05Z)	St05Z	DC53D+Z
DC53D+ZF	-	DC53D+ZF
DC54D+Z(St06Z)	St06Z	DC54D+Z
DC54D+ZF	-	DC54D+ZF
DC56D+Z(St07Z)	St07Z	DC56D+Z
DC56D+ZF	St07Z	DC56D+ZF
DD51D+Z(St01ZR,St02ZR)	St01ZR,St02ZR	-
DD54D+ZF(St06ZR)	-	-

Structural steel

Q/BQB 420-2003	Q/BQB 420-2001	Q/BQB 422-2000
S220GD+Z,S220GD+ZF	-	S220GD+Z,S220GD+ZF
S250GD+Z,S250GD+ZF	-	S250GD+Z,S250GD+ZF
S280GD+Z(StE280-2Z)	StE280-2Z	S280GD+Z
S280GD+ZF	-	S280GD+ZF
S320GD+Z,S320GD+ZF	-	S320GD+Z,S320GD+ZF
S350GD+Z(StE345-2Z)	StE345-2Z	S350GD+Z
S350GD+ZF	-	S350GD+ZF
S550GD+Z,S550GD+ZF	-	S550GD+Z,S550GD+ZF

High strength steel for cold forming

Q/BQB 420-2003	Q/BQB 420-2001	Q/BQB 422-2000
H220PD+Z,H220PD+ZF	-	H220PD+Z,H220PD+ZF
H260PD+Z,H260PD+ZF	-	H260PD+Z,H260PD+ZF
H300LAD+Z,H300LAD+ZF	-	H300LAD+Z,H300LAD+ZF
H340LAD+Z(HSA340Z)	HSA340Z	H340LAD+Z
H340LAD+ZF	-	H340LAD+ZF
H380LAD+Z	-	H380LAD+Z
H420LAD+Z(HSA410Z)	HSA410Z	H420LAD+Z
H180YD+Z,H180YD+ZF	-	H180YD+Z,H180YD+ZF
H220YD+Z,H220YD+ZF	-	-
H260YD+Z,H260YD+ZF	-	-
H180BD+Z,H180BD+ZF	-	H180BD+Z,H180BD+ZF
H220BD+Z,H220BD+ZF	-	-
H260BD+Z,H260BD+ZF	-	H260BD+Z,H260BD+ZF
HR340LAD+Z(HSA340ZR)	HSA340ZR	-
HR410LAD+Z(HSA410ZR)	HSA410ZR	-

bse metal type	Grade	CHEMICAL COMPOSITION %
bse metal type	Grade	C	Si	Mn	P
cold rolled steel sheet	DC51D+Z (St01Z, St02Z, St03Z) , DC51D+ZF	≤0.10	-	≤0.50	≤0.035
	DC52D+Z (St04Z), DC52D+ZF	≤0.08	-	≤0.45	≤0.030
	DC53D+Z (St05Z), DC53D+ZF	≤0.08	-	≤0.40	≤0.030
	DC54D+Z (St06Z), DC54D+ZF	≤0.01	≤0.10	≤0.30	≤0.025
	DC56D+Z (St07Z), DC56D+ZF	≤0.01	≤0.10	≤0.30	≤0.025
hot rolled steel sheet	DD51D+Z (St01ZR, St02ZR)	≤0.10	-	≤0.50	≤0.035
hot rolled steel sheet	DD54D+Z (St06ZR)	≤0.01	≤0.10	≤0.30	≤0.025

Project	Characteristic
Coating types	Pure zinc
	Zn-Fe alloy
Surface structure	Zero zinc flower (coating without lead)
	Minimized Spangle
Coating forms	Pure zinc equal thickness coating 40/40-225/225 g/m2
	Pure zinc differential thickness coating 30-150 (per side) g/m2
	Zinc iron alloy coating (equal thickness) 30/30-90/90g/m2
Size range	Cold rolled substrate: thickness of 0.3-3.0mm
	Width is 800-1830 - mm
	Hot rolled substrate: 1.8-2.8mm thick
	Width is 900-1500 - mm
Grade	Steel for stamping: general use, stamping, deep punching, super deep punching, super deep punching
	Structural steel: 220-550 mpa (yield strength)
	High strength steel for cold forming: 180-420mpa (yield strength)