Х56 PSL 1

CHEMICAL COMPOSITION
Mass fraction, based upon heat and product analysis a
SEAMLESS PIPE
C Mn P S V Nb Ti
maxb max.b min. max. max. max. max. max.
0.28 1.40 0.030 0.030 d d d
WELDED PIPE
0.26 1.40 0.030 0.030 d d d

 

MECHANICAL REQUIREMENTS
Y.S T.S ELONGATION
Mpa(psi) Mpa(psi)
min min min
390(56 600) 490(71 100) f