76mm API Reg Thread DTH Drilling Pipes ...or handling. Metallography detection, hardness test, magnaflux inspection, ultrasonic flaw detection, tensile test and impact test ensure products quality.
D... ... DTH Drill pipe is made of high quality material detected by spectrograph, impact and tension test. With fully digitized processing line introduced from Jap... ...h fully digitized processing line introduced from Japan with integral heat treatment equipment. Anti adhesion thread with nitrogen treatment on surface make it... ...gitized processing line introduced from Japan with integral heat treatment equipment. Anti adhesion thread with nitrogen treatment on surface make it easier fo... Posted on: 2017-12-26 from China - Shandong
Most popular in alibaba Friction Welding DTH Drill Pipe ...or handling. Metallography detection, hardness test, magnaflux inspection, ultrasonic flaw detection, tensile test and impact test ensure products quality.
D... ... DTH Drill pipe is made of high quality material detected by spectrograph, impact and tension test. With fully digitized processing line introduced from Jap... ...h fully digitized processing line introduced from Japan with integral heat treatment equipment. Anti adhesion thread with nitrogen treatment on surface make it... ...gitized processing line introduced from Japan with integral heat treatment equipment. Anti adhesion thread with nitrogen treatment on surface make it easier fo... Posted on: 2017-12-26 from China - Shandong
Ultrasonic impact treatment equipment ... welded specimens showed that the UIT/UP is the most efficient improvement treatment as compared with traditional techniques such as heat treatment, TIG-dressi... Posted on: 2014-06-17 from China - Hebei
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