Production line

Product thickness mm

Product width mm

Steel coil weight (t)

Steel coil inner diameter mm

Production capacity
(10,000t/a)

Push-pull pickling unit

1.8-4.0

800-1,250

≤28

610

65

Continuous pickling unit

1.8-4.5

800-1,280

≤28

610

120

No.

Tensile test

Yield strength
Rel (MPa)

Tensile strength
Rm (MPa)

Percentage elongation after fracture A%

1.8～＜2.0

2.0～＜2.5

2.5～＜3.2

3.2～＜4.0

≥4.0

SPHC

≥270

≥29

≥30

≥31

≥32

≥32

SPHD

≥270

≥32

≥33

≥35

≥37

≥39

SPHE

≥270

≥33

≥35

≥37

≥39

≥41

SS330

≥205

330～430

≥26

SS400

≥245

400～510

≥21

SAPH310

≥

SAPH370

≥370

≥255

≥32

SAPH400

≥

SAPH440

≥

Notes: 1. The tensile test specified value in the table is suitable for longitudinal test piece.
2. Tensile test uses sample of L0=50mm, b=25mm, namely P14 sample in GB/T228.

Production line

Mill outlet highest rolling speed m/min

Thickness

Width

Steel coil inner diameter (mm)

Production capacity
(10,000t/a)

1450 eight-roller five-rack tandem cold rolling unit

480

0.25～2.0

800～1250

508

55

1200mm six-roller reversible cold rolling mill

1000

0.15～0.5

800～1050

508～530

20

1450mm six-roller reversible cold rolling mill

900

0.2～1.5

800～1250

610

20

1450 six-roller five-rack tandem cold rolling unit

1200

0.22～2.0

800～1280

610

90