Kateri so glavni materiali standardne cevi API 5L?
Glavni materiali standardne cevi API 5L so:
1, ocena PSL1: A / A210, B / L245, X42 / L290, X46 / L320, X52 / L360, X56 / L390, X60 / L415, X65 / L450, X70 / L485, x80 / L555, x80 / L555
2, PSL2 grade: BN/L245N, X42N/L290N, X46N/L320N, X52N/L360N, X56N/L390N, X60N/L415N, X65Q/L450Q, X70Q/L485Q, X80Q/L555Q, X42Q/L290Q, X46Q/L320Q, X52Q/L360Q, X56Q/L390Q, X60Q/L415Q.
3,Acid line pipe material: BNS/L245NS, X42NS/L290NS, X46NS/L320NS, X52NS/L360NS, X56NS/L390NS, X60NS/L415NS, X65QS/L450QS, X70QS/L485SQ, X80QS/L555QS, X42QS/L290QS, X60Q/L415Q, X60Q/L415Q, X65QS/L450QS, X70QS/L485SQ, X80QS/L555QS, X42QS/L290QS, X42QS/L290QS, X60Q/L415Q/L290QS, X46QS/L320QS, X52QS/L360QS, X56QS/L390QS, X60QS/L415QS
4, acid / or service pipeline pipe material: BNO / L245NO, X42NO / L290NO, X46NO / L320NO, X52NO / L360NO, X56NO / L390NO, X60NO / L415NO, X65QO / L450QO, X70QO / L485QO, X80QO /L555QO, X42QO/L290QO, X46QO/L320QO, X52QO/L360QO, X56QO/L390QO, X60QO/L415QO
