Description

♦ The details of Integral Heavy Weight Drill Pipe as follows, 1. Material: AISI ***5H Alloy steel, Non magnetic steel, etc. 2. Use: It is mainly used between dill collar and dill pipe to ease transition stress concentration and reduce the rate between contact area and outer wall wear, which can effectively prevent the pressure sticking. 3. Standard: API Spec **1 or SY/T ***6 Standard. 4. Traceability: When producing, traceability are maintained from the receipt of raw material to completion of final products, and serial numbers are die-stamped on each workpiece body. 5.Inspection and test:During each manufacturing process, inspection and test are performed