Essential details
Shipping:Express Delivery, Air freight, Land freight, Ocean freight
Product Introduction
Steel Grade：H40, J55, K55, N80-1, N80-Q, L80-1,L80-9Cr, L80-13Cr, P110, Q125 etc
SIZE：OD: 42.16 MM-508 MM(1.66"-20")
Standard：API 5CT, GB, ISO11960, GOST
Type：STC, LTC, BTC, XC and Premium connection
Service：NDT etc related rules of API 5CT and 5B
