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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.