BQ NQ HQ PQ geological core drilling pipe for wire-line coring
Product Detailed
BQ NQ HQ PQ geological core drilling pipe
1.Direct-coupled pipes
2.Bulk heat treatment
3.Internationa standard
BQ NQ HQ PQ geological core drilling pipe 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