Drill pipes are made from alloy steel according to Spec.5D. All threads are phosphatization, copperized or cold worked. All connections are equipped with pressed steel thread protectors. All threads are machined with CNC lathes –Double-shouldered and special threads.

 

Sizes:       OD 2 3/8"~6 5/8"

 

Length :     9500mm/12000mm

 

Steel Grade:  E75, X95, G105, S135

 

Upset Style:  IU, EU, IEU