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API 7-1 4145&Non-mag Drill Collar
Drill Collar imapangidwa kuchokera ku AISI 4145H yosinthidwa chitsulo chozimitsidwa ndi chotenthedwa ndipo imatenthedwa ndi kutentha kwautali wonse kuti ikhale yolimba komanso yolimba.Mayeso okhwima a metallurgical amachitidwa pazomwe zimapangidwira kuti zitsimikizidwe kuti chithandizo cha kutentha chimapanga kuuma kosasunthika komanso kozama kwambiri mwa kuya kwa bar.
Landrill yopereka makola obowola muyeso komanso ozungulira kuchokera ku 3-1/8” OD mpaka 14” OD molingana ndi API, NS-1 kapena DS-1.
Room 703 Building B, Greenland center, Hi-tech Development zone Xi'an, China
86-13609153141
