Essential details
Shipping:Express Delivery, Air freight, Land freight, Ocean freight
Product Introduction
Couplings include casing couplings and tubing couplings.As oil‑field drilling components, casing couplings serve for casing connection. Tubing couplings effectively prevent fatigue fracture resulting from stress concentration.
OD：42.16 MM-508 MM(1.66"--20")
Steel Grade:H40, J55, K55, N80-1, N80-Q, L80-1,L80-9Cr, L80-13Cr, P110, Q125
Standard:API 5CT, GB, ISO11960, GOST
Thread Type:STC, LTC, BTC, XC and Premium connection
Test：NDT etc related rules of API 5CT and 5B
Type: Seamless
