API 5L standart quvur quvurining asosiy materiallari qanday?
API 5L standart quvur quvurining asosiy materiallari:
1, psist1 sinf: A / A210, X42 / L320, X46 / L310, X60 / L485, X60 / L485, X70 / L485, X70 / L485, X70 / L485, X70 / L485, X70 / L485
2, psist2 sinf: bn / l245n, X46N / L320N, X60 / L415N, X60Q / L485Q, X40Q / L555Q, X42Q / L890Q, x42q / l290q, x42q / l290Q, X46Q / L320Q, X52Q / L360Q, X56Q / L390Q, X60Q / L415Q.
3, kislotali quvuri materiallari: bNs / l245ns, x46ns / l320ns, x60ns / l315ns, x60s / l315ns, x65qs / l350ns, x70qs / l485sQ, X80QS / L555QS, X42QS / L2915Q, X60Q / L415Q, X655SQ, X42QS / L890QS, X42QS / L890QS, x42qs / l290qs, X60q / l415q / l290qs, x46qs / l320q, x56qs / l390qs, x60qs / l415qs
4, kislota / yoki xizmat quvuri quvuri: bno / l245no, x42no / l320no, x60no / l30no, x60no / l30no, x65Qo / L485QO, X80QO / L555QO, X42QO / L890QO, X46QO / L360QO, X56QO / L390QO, X60QO / L415QO
