Product Series	Executive Standard	Grade	Class	Thickness (mm)	Delivery State	Remarks
Carbon structural steel	GB/T 700-2007 GB/T 3274-2007	Q195	-	6～150	AR	Products can be delivered according to standards or standards + customers’ technical agreement.
		Q215	A,B	6～150	AR
		Q235 Q275	A,B	6～150	AR
			C,D	6～150	CR
	EN 10025-2:2004	S235	JR/J0/J2	6～150	AR
		S275	JR/J0/J2	6～150	CR
		S355	JR/J0/J2/K2	6～150	CR
	ASTM A36/A 36M-08	A36	-	6~150	AR
	JIS G3101:2010	SS330	-	6~150	AR
		SS440	-	6~150	AR
		SS490	-	6~150	AR
		SS540	-	6~150	CR
	JIS G4051:2009	S10C～S58C	-	6~280	AR
Low-alloy Structural steel	GB/T 1591-2008 GB/T 3274-2007	Q345	A,B	6～150	AR	○1Products can be delivered according to standards or standards + customers’ technical agreement. ○2Z-directional performances can be improved according to GB/T 5313 or customers’ technical agreement.
			C,D	6～150	CR
			E	6～150	TMCP
		Q390	A,B,C,D,E	6～150	CR
		Q420		6～150	TMCP
		Q500		6～100	TMCP
		Q550		6～100
		Q620		6～80
		Q690		6～80
	GB/T 28410-2012	Q235FT	B,C,D,E	5～150	AR,CR
		Q275FT	C,D,E,F	5～150	AR,CR
		Q345FT	C,D,E,F	5～150	AR,CR
		Q420FT	C,D,E,F	5～150	AR,CR
		Q460FT	C,D,E,F	5～150	AR,CR
	EN 10025-4:2004	S275M/ML	-	6~60	TMCP
		S355M/ML
		S420M/ML
		S460M/ML
	JIS G3106:2008	SM400 SM490	A,B,C	6～150	AR
			A,B,C	6～150	CR
			YA,YB
		SM520	B,C	6～100	TMCP
		SM570	-	6～100
	ASTM A572/A572M-12	Gr42	-	6～150	AR
		Gr50	-	6～100	CR
		Gr55	-	6～100
		Gr60	-	6～80	TMCP
		Gr65	-	6～80
Bridge steel	GB/T 714-2008 TB 10002.2-2005 （J 461-2005）	Q235q	C、D、E	6～100	CR
		Q345q		6～100	TMCP
		Q370q		6～100	TMCP
		Q420q		6～80	TMCP
		Q460q		6～60	TMCP
		Q500q		6～60	TMCP
		Q550q	D,E	6～50	TMCP
		Q620q	D,E	6～40	TMCP
		Q690q	D,E	6～40	TMCP
Construction steel	GB/T 19879-2005 GB/T 5313-2010 YB 4104-2000	Q235GJZ15/Z25/Z35 Q345GJZ15 Z25/Z35	B,C	6～100	CR
			D,E	6～100	TMCP
		Q420GJZ15/Z25/Z35	C	6～80	CR/TMCP
			D,E	6～80	TMCP
	JIS G3136:2012	SN400	A,B,C	6～150	CR
		SN490	A,B,C	6～150	TMCP
	GB/T 28905-2012	LY100、LY160、LY225	-	5～100	AR,CR

Re:
AR—as rolled, CR—controlled rolling, TMCP—thermo mechanical controlled process.