X56 PSL 2

CHEMICAL COMPOSITION
Mass fraction, based upon heat and product analysis % maximum CARBON EQUIVALENT a
% MAXIMUM
Cb Si Mnb P S V Nb Ti Other CEIIW CEPcm
SEAMLESS & WELDED PIPES
L320N or X52N 0.24 0.4 1.2 0.025 0.015 0.07 0.05 0.04 e 0.43 0.25
L320Q or X52Q 0.18 0.45 1.4 0.025 0.015 0.05 0.05 0.04 e 0.43 0.25
WELDED PIPE
L290M OR X52M 0.22 0.45 1.3 0.025 0.015 0.05 0.05 0.04 e 0.43 0.25

 

MECHANICAL REQUIREMENTS
Y.S T.S ELONGATION
Mpa(psi) Mpa(psi)
min min min
390(56 600) 545(79 000) f

 

IMPACT TEST
AVG. ABSORBED ENERGY IND. ABSORBED ENERGY
Min.(joules) Min.(joules)
27 20