X70 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
L485Q or X70Q 0.18f 0.45f 1.8f 0.025 0.015 g g g h 0.43 0.25
WELDED PIPE
L485M OR X70M 0.12f 0.45f 1.7f 0.025 0.015 g g g h 0.43f 0.25

 

MECHANICAL REQUIREMENTS
Y.S T.S ELONGATION
Mpa(psi) Mpa(psi)
min min min
485(70 300) 635(92 100) f

 

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

 

  • Unless otherwise agreed, the sum of th niobium & vanadum concentrations shall be = 0.06%
  • Unless otherwise agreed, 0.50% maximum for copper, 0.30% maximum for nickel, 0.30% maximum for chromium, & 0.15% maximum for molybdenum.
  • The sum of th niobium & vanadum & titanium concentrations shall be =0.15%
  • Unless otherwise agreed, 0.50% maximum for copper, 0.30% maximum for nickel, 0.30% maximum for chromium, & 0.15% maximum for molybdenum.
  • Unless otherwise agreed g unless otheriwse agreed the sum of th niobium & vanadum & titanium concentrations shall be =0.15%