JSC270C~JSC270F

Advanced High Strengh Cold Rolled Steel

With excellent mechanical and processing properties, it is widely used in automobiles, household appliances, mechanical parts and so on. Its manufacturing process is mainly cold rolling, which can make the surface of steel more smooth, and improve the surface quality including dimensional accuracy of steel.

Grade	C	Si	Mn	P	S	AI	Cu	Ti+Nb	Cr+Mo	B
Grade	Max %	Max %	Max %	Max %	Max %	Range %	Max %	Max %	Max %	Max %
DPC290Y490T	0.14	0.50	1.8	0.080	0.015	0.01-1.0	0.20	0.15	1.00	0.005
DPC340Y590T	0.15	0.75	2.5	0.080	0.015	0.01-1.5	0.20	0.15	1.40	0.005
DPC420Y780T	0.18	0.80	2.5	0.080	0.015	0.01-2.0	0.20	0.15	1.40	0.005
DPC420Y780T HF	0.18	1.00	2.5	0.080	0.015	0.01-2.0	0.20	0.15	1.40	0.005
DPC550Y980T	0.20	1.00	2.9	0.080	0.015	0.01-2.0	0.20	0.15	1.40	0.005
DPC700Y980T	0.23	1.00	2.9	0.080	0.015	0.01-2.0	0.20	0.15	1.40	0.005
DPC950Y1180T	0.23	0.40	2.9	0.080	0.015	0.01-2.0	-	0.15	1.40	0.005
DPH330Y580T	0.14	1.00	2.2	0.085	0.015	0.015-1.0	0.40	0.15	1.40	0.005

NOTE 1: In addition to requirements shown in the table, %Ni+%Cr+%Mo < 1.5.

NOTE 2: All DP grades with C% <0.015 must have a minimum of 0.0003% (3 ppm) Boron.

NOTE 4: Ceq. max. 0.86 – Ceq. = C+(Mn+Si)/6.

NOTE 5: Si + Al max. 2.0.

Dual Phase CR Grade	YS Range (MPa)	TS (MPa) min	A₅₀ % min	A₈₀ % min	n _4-6% min	n_10%-UE min	BH2 min
DPC290Y490T	290-380	490	26	24	0.19	0.15	30
DPC340Y590T	340-440	590	21	20	0.18	0.14	30
DPC420Y780T	420-550	780	15	14	0.15 0.12⁽¹⁾	0.11	30
DPC420Y780T HF⁽²⁾	420-560	780	18	17	0.17	0.14	30
DPC550Y980T	550-730	980	9	8	0.08	N/A	30
DPC700Y980T	700-850	980	8	7	N/A	N/A	30
DPC950Y1180T	830-1130	1180	5	4	N/A	N/A	30

NOTE 1 : Valid only for NA production.

NOTE 2 : High Formability quality of DP780 grade.

Dual Phase CR Grade	YS Range (MPa)	TS (MPa) min	A₅₀ % min	A₈₀ % min	n _4-6% min	n_10%-UE min	BH2 min
DPH330Y580T	330-450	580	21	19	0.16	0.13	30