Hot dip galvanized products DC51D+Z, S220GD+Z, H220PD+Z,…

Low-carbon steel

Cold rolled substrate

Grade	Chemical composition%
	C	Si	Mn	P	S	Alt	Ti	Nb
	(≤)	(≤)	(≤)	(≤)	(≤)	(≥)	(≤)	(≤)
DC51D+Z,DC51D+ZF	0.1	—	0.5	0.035	0.035	—	—	—
(St01Z.St02Z.St03Z)	0.1	—	0.5	0.035	0.035	—	—	—
DC52D+Z(St04Z)	0.08	—	0.45	0.03	0.03	—	—	—
DC52D+ZF	0.08	—	0.45	0.03	0.03	—	—	—
DC53D+Z(St05Z)	0.08	—	0.4	0.03	0.03	—	—	—
DC53D+ZF	0.08	—	0.4	0.03	0.03	—	—	—
DC54D+Z(St06Z)	0.01	0.1	0.3	0.025	0.02	0.015	0.1	—
DC54D+ZF	0.01	0.1	0.3	0.025	0.02	0.015	0.1	—
DC56D+Z(St07Z)	0.01	0.1	0.3	0.025	0.02	0.015	0.1	0.1
DC56D+ZF	0.01	0.1	0.3	0.025	0.02	0.015	0.1	0.1

Grade	Mechanical properties
Grade	YS(MPa)	TS(MPa)	EL%
DC51D+Z(St01Z,St02Z,St03Z), DC51D+ZF	—	270~500	≥20
DC52D+Z(St04Z), DC52D+ZF	140~300	270~420	≥24
DC53D+Z(St05Z), DC53D+ZF	140~260	270~380	≥28
DC54D+Z(St06Z), DC54D+ZF	140~220	270~350	≥32

Hot rolled substrate

Grade	Chemical composition%
	C	Si	Mn	P	S	Alt	Ti	Nb
	(≤)	(≤)	(≤)	(≤)	(≤)	(≥)	(≤)	(≤)
DD51D+Z(St01ZR, St02ZR)	0.1	—	0.5	0.035	0.035	—	—	—
DD54D+Z(St06ZR)	0.01	0.1	0.3	0.025	0.02	0.015	0.1	—

Grade	Mechanical properties
Grade	YS(MPa)	TS(MPa)	EL(MPa)
DC56D+Z(St07Z)	120~180	270-350	≥38
DC56D+ZF	120~180	270-350	≥36

Structural steel

Grade	Chemical composition%
	C	Si	Mn	P	S	Alt
	(≤)	(≤)	(≤)	(≤)	(≤)	(≥)
S220GD+Z, S220GD+ZF	0.13	—	0.5	0.035	0.035	0.015
S250GD+Z, S250GD+ZF	0.16	—	0.6	0.035	0.035	0.015
S280GD+Z(StE280-2Z), S280GD+ZF	0.2	—	0.8	0.035	0.035	0.015
S320GD+Z, S320GD+ZF	0.23	—	1	0.035	0.035	0.015
S350GD+Z(StE345-2Z), S350GD+ZF	0.25	—	1.5	0.035	0.035	0.015
S550GD+Z, S550GD+ZF	0.25	—	1.5	0.035	0.035	—

Grade	Mechanical properties
Grade	YS(MPa)	TS(MPa)	EL%
S220GD+Z, S220GD+ZF	≥220	≥300	≥18
S250GD+Z, S250GD+ZF	≥250	≥330	≥17
S280GD+Z(StE280-2Z), S280GD+ZF	≥280	≥360	≥16
S320GD+Z, S320GD+ZF	≥320	≥390	≥15
S350GD+Z(StE345-2Z), S350GD+ZF	≥350	≥420	≥14
S550GD+Z, S550GD+ZF	≥550	≥560	—

High strength cold forming steel

Cold rolled substrate

Grade	Chemical composition%
Grade	C(≤)	Si(≤)	Mn(≤)	P(≤)	S(≤)	Alt(≥)	Ti(≤)	Nb(≤)
H220PD+Z, H220PD+ZF	0.08	0.5	0.7	0.08	0.025	0.015	—	—
H260PD+Z, H260PD+ZF	0.15	0.5	0.7	0.1	0.025	0.01	—	—
H300LAD+Z, H300LAD+ZF	0.1	0.5	1	0.03	0.025	0.015	0.015	0.09
H340LAD+Z(HSA340Z), H340LAD+ZF	0.1	0.5	1	0.03	0.025	0.015	0.015	0.09
H380LAD+Z	0.16	0.5	1.5	0.03	0.025	0.015	0.015	0.09
H420LAD+Z(HSA410Z)	0.16	0.5	1.5	0.03	0.025	0.015	0.015	0.09
H180BD+Z, H180BD+ZF	0.04	0.5	0.7	0.06	0.025	0.02	—	—
H220BD+Z, H220BD+ZF	0.06	0.5	0.7	0.08	0.025	0.02	—	—
H260BD+Z, H260BD+ZF	0.08	0.5	0.7	0.1	0.025	0.02	—	—
H180YD+Z, H180YD+ZF	0.01	0.1	0.7	0.06	0.025	0.02	0.12	—
H220YD+Z, H220YD+ZF	0.01	0.1	0.9	0.08	0.025	0.02	0.12	—
H260YD+Z, H260YD+ZF	0.01	0.1	1.6	0.1	0.025	0.02	0.12	—

Grade	Mechanical properties
Grade	YS(MPa)	TS(MPa)	EL%(≥)
H220PD+Z, H220PD+ZF	220~320	340~420	32
H260PD+Z, H260PD+ZF	260-340	380~440	28
H300LAD+Z, H300LAD+ZF	300~380	380~480	23
H340LAD+Z(HSA340Z), H340LAD+ZF	340~420	410~510	21
H380LAD+Z	380~480	440-560	19
H420LAD+Z(HSA410Z)	420~520	470-590	17
H180YD+Z, H180YD+ZF	180~240	340~400	34
H220YD+Z, H220YD+ZF	220~280	340~410	32
H260YD+Z, H260YD+ZF	260~320	380~440	30
H180BD+Z, H180BD+ZF	180~240	300-360	34
H220BD+Z, H220BD+ZF	220~280	340~400	32
H260BD+Z, H260BD+ZF	260~320	360~440	28

Hot rolled substrate

Grade	Chemical composition%
Grade	C(≤)	Si(≤)	Mn(≤)	P(≤)	S(≤)	Alt(≥)	Ti(≤)	Nb(≤)
DD51D+Z(St01ZR,St02ZR)	0.1	—	0.5	0.035	0.035	—	—	—
DD54D+Z(St06ZR)	0.01	0.1	0.3	0.025	0.02	0.015	0.01	—
HR340LAD+Z(HSA340ZR)	0.1	0.2	1	0.03	0.025	—	—	0.09
HR420LAD+Z(HSA410ZR)	0.12	0.2	1	0.03	0.025	—	—	0.09

Grade	Mechanical properties
Grade	YS(MPa)	TS(MPa)	EL%(≥)
DD51D+Z(St01ZR,St02ZR)	—	270~500	—
DD54D+Z(St06ZR)	≤260	≤360	36
HR340LAD+Z(HSA340ZR)	≥340	≥410	18
HR410LAD+Z(HSA410ZR)	≥410	≥480	15

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Hot dip galvanized products DC51D+Z, S220GD+Z, H220PD+Z,…

Low-carbon steel

Cold rolled substrate

DC51D+Z,DC51D+ZF

(St01Z.St02Z.St03Z)

DC52D+Z(St04Z)

DC52D+ZF

DC53D+Z(St05Z)

DC53D+ZF

DC54D+Z(St06Z)

DC54D+ZF

DC56D+Z(St07Z)

DC56D+ZF

DC51D+Z(St01Z,St02Z,St03Z), DC51D+ZF

DC52D+Z(St04Z), DC52D+ZF

DC53D+Z(St05Z), DC53D+ZF

DC54D+Z(St06Z), DC54D+ZF

Hot rolled substrate

DD51D+Z(St01ZR, St02ZR)

DD54D+Z(St06ZR)

DC56D+Z(St07Z)

DC56D+ZF

Structural steel

S220GD+Z, S220GD+ZF

S250GD+Z, S250GD+ZF

S280GD+Z(StE280-2Z), S280GD+ZF

S320GD+Z, S320GD+ZF

S350GD+Z(StE345-2Z), S350GD+ZF

S550GD+Z, S550GD+ZF

S220GD+Z, S220GD+ZF

S250GD+Z, S250GD+ZF

S280GD+Z(StE280-2Z), S280GD+ZF

S320GD+Z, S320GD+ZF

S350GD+Z(StE345-2Z), S350GD+ZF

S550GD+Z, S550GD+ZF

High strength cold forming steel

Cold rolled substrate

H220PD+Z, H220PD+ZF

H260PD+Z, H260PD+ZF

H300LAD+Z, H300LAD+ZF

H340LAD+Z(HSA340Z), H340LAD+ZF

H380LAD+Z

H420LAD+Z(HSA410Z)

H180BD+Z, H180BD+ZF

H220BD+Z, H220BD+ZF

H260BD+Z, H260BD+ZF

H180YD+Z, H180YD+ZF

H220YD+Z, H220YD+ZF

H260YD+Z, H260YD+ZF

H220PD+Z, H220PD+ZF

H260PD+Z, H260PD+ZF

H300LAD+Z, H300LAD+ZF

H340LAD+Z(HSA340Z), H340LAD+ZF

H380LAD+Z

H420LAD+Z(HSA410Z)

H180YD+Z, H180YD+ZF

H220YD+Z, H220YD+ZF

H260YD+Z, H260YD+ZF

H180BD+Z, H180BD+ZF

H220BD+Z, H220BD+ZF

H260BD+Z, H260BD+ZF

Hot rolled substrate

DD51D+Z(St01ZR,St02ZR)

DD54D+Z(St06ZR)

HR340LAD+Z(HSA340ZR)

HR420LAD+Z(HSA410ZR)

DD51D+Z(St01ZR,St02ZR)

DD54D+Z(St06ZR)

HR340LAD+Z(HSA340ZR)

HR410LAD+Z(HSA410ZR)

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