Quins són els principals materials de la canonada estàndard API 5L?
Els principals materials de la canonada estàndard API 5L són:
1, grau PSL1: A / A210, B / L245, X42 / L290, X46 / L320, X52 / L360, X56 / L390, X60 / L415, X65 / L450, X70 / L485, X80 / L555
2, grau PSL2: 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, Material de canonades de línia àcida: 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, x70q/l485sq, x80qs/l555qs, x42qs/l290qs, x42qs/l290Qs, X60Q/L415Q/L290QS, X46QS/L320QS, X52QS/L360QS, X56QS/L390QS, X60QS/L415QS
4, àcid / o servei de canonades 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
