Nipple for casing pipes 73
To increase the service life of threaded joints of casing pipes used nipple. Because the nipple is subjected to significant loads it is made from seamless pipes of steel grade D, K, and with a greater wall thickness than the casing. On both ends of the nipple cut external trapezoidal thread, length 40 mm.
The outer diameter - 73 mm
Inner diameter - 61mm
Wall thickness - 6 mm
Mark steel - 45
Thread 40/40
Length - 130 mm
