BQ NQ HQ PQ drilling pipes for wire-line coring
Product Detailed
drilling pipes for wire-line coring
1.Direct-coupled pipes
2.Bulk heat treatment
3.1200~2000m
4.International Standard
BQ NQ HQ PQ drilling pipes for wire-line coring
Specification : BQ NQ HQ
OuterDiameter(mm) : 55.6 70.15 89
InnerDiameter(mm) : 46 60 77.8
Lenth(m) : 3/2/1.5 3/2/1.5 3/2/1.5
ThreadStandard : INTERNATIONAL STANDARD
MaterialQuality :XJY850
Heat treatment : BULK HEAT TREATMENT
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