Drill String Cross-over Sub uses AISI4145H chromium-molybdenum steel, execute API specification.We can produce the same-dia type, reducers type and L-type three types, the screw can be cold thread rolling, copper or phosphate treatment.
ASTM A671 CJ102 LSAW steel pipeline which is under ASTM A671.as a ASTM A671 CJ102 manufacturer in China, regarding the more information about ASTM A671 CJ102 LSAW steel pipeline
We have high efficiency logistics team who make sure the fast delivery time and shipment. Anyway, if you want to find reliable SAPH400 steel machining parts supplier, please contact us!
The GB/T1591 Q345C is a steel model compared to the Q345A, Q345B steel. Low-temperature impact test has a low test temperature and good performance. Containing harmful substances P, S is lower than Q345A, B.