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API 7-1 4145&Non-mag Drill Collar
Drill Collar e entsoe ka tšepe ea AISI 4145H e fetotsoeng e timisitsoeng le e halefileng 'me e tšoaroa mocheso ka bolelele bohle bakeng sa ho tiea le ho tšoarella ho tšoanang. Liteko tse thata tsa metallurgical li etsoa ka litlhaloso ho netefatsa hore phekolo ea mocheso e hlahisa boima bo tsitsitseng le bo boholo ka botebo ba bar.
Landrill e fana ka li-collars tsa ho cheka ka mokhoa o tloaelehileng le ho tloha ho 3-1/8 "OD ho fihla ho 14" OD ho latela litlhaloso tsa API, NS-1 kapa DS-1.
Room 703 Building B, Greenland center, Hi-tech development zone Xi'an, China
86-13609153141
