LONGITUDINALLY STEEL PIPE

MECHANICAL PROPERTY

Process Performance

CHEMICAL COMPOSITION

TENSILEbMPa

YIELDσsMpa

ELONGTIONδ 5%

Cold bending(180°)

PASS

C

Si

S

Mn

P

Cr

Ni

Cu

0.16

0.28

0.007

1.43

0.018

/

/

/

535

375

28

Reverse bending(180°)

PASS