Non-magnetic Drill Collars

Date: 19 Nov 2009
Non-magnetic Drill collars are made from Non-magnetic drill collar materials with low- strength (YDWC20-14) by combining a proprietary chemical analysis and a rotary hammer forging process with low magnetic permeability excellent machine ability.

Each drill collar is fully inspected by internal inspection dept. All data obtained are recorded on the inspection certificate furnished with each drill collar. API monogram, serial number, OD, ID, type and size of connections are stamped on recessed mill flats.

Drill collars are available in lengths from 10 to 31 feet and outside diameter from 31/8" to 11"
Contact information:
Shanxi YIDA Special Steel Group Co. Ltd
100 Yangjia Beicun Taiyuan, Shanxi[030027]
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