NRQ HRQ PRQ PHD drill rods wireline Drill pipes

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2022年07月18日

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Remet, Metzke, Faber thread reverse circulation drill pipe for sandvik RC hammer drilling

NRQ HRQ PRQ PHD drill rods wireline Drill pipes


Specifications

drilling rod

1. Whole heat treatment

2. Screw thread heat treatment.

3. Hard chromed on pin end


Geological steel pipe-entire length thermal treatment, NC lathe with former cutters 


Material: 30CrMnSiA or 45MnMoB(A grade), XJY850 or BG850( B grade)



QB series Rod parameter-geological steel pipe-entire length thermal treatment, NC lathe with former cutters
Spec.UnitBQBNQBHQBPQB
OD/IDmm55.6/4671/6089/77.8114.3/101.6
Thicknessmm4.85.55.66.35
Lengthm1.5 or 31.5 or 31.5 or 31.5 or 3
Weightkg/m6.018.811.5117.3
thread lengthmm44.4544.4544.4563.5
thread pitchthread/inch3332.5
box thread tooth heightmm0.760.760.761.17
pin thread tooth heightmm0.880.880.881.27
thread tooth angle.29292929
tensile resistance(A series)kn400530510565
tensile resistance(B series)kn450615625660
bore depthm12001000900800




RQ series Rod parameter-geological steel pipe-entire length thermal treatment, NC lathe with former cutters
Spec.UnitBRQNRQHRQPRQ
OD/IDmm55.6/4669.9/60.388.9/77.8114.3/101.6
Lengthm1.5 or 31.5 or 31.5 or 31.5 or 3
Weightkg/m6.018.811.5117.3
thread lengthmm424241.9163.5
thread pitchthread/inch3332.5
box thread tooth heightmm0.760.760.761.17
pin thread tooth heightmm0.880.880.881.27
thread tooth negative angle.5555
tensile resistance(A)kn450525545565
tensile resistance(B)kn530625.5602660
bore depthm12001000900800


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