DTH Tubes

DTH drill rod/drill pipe high pressure for quarrying, water well drilling, mining.

 

 

Products Details

Product overview导航栏 A drill pipe is a high-strength steel pipe used in drilling. Depending on the drilling method and purpose of drilling, pipes come in different thickness and lengths, with the most common lengths being 3-10 meters. Drill pipes are joined together one by one as the drill progresses deeper into the bedrock. Together, the pipes form a drill string, which can extend several kilometers down into the ground.  Raw Material:Hot rolled seeamless pipe,from BAO STEEL/TPCO/BAO GANG and so on,Strictly in accordance with the relevant standards inspection, through the production plant, processing plant two inspection, to ensure the quality of raw materials.   Productive Process:Upsetting-----Heat Treating----Straightening----NDT----Paint Spraying----Packing 图片-2 图片-4图片-1   Specification导航栏
  Size Nominal mass Lb/ft Calculated weight type Wall thickness
in. mm lb/ft kg/m in. mm
2 3/8 60.3 6.65 6.26 9.32 0.28 7.11
2 7/8 73 10.4 9.72 14.48 0.362 9.19
3 1/2 88.9 9.5 8.81 13.12 0.254 6.45
3 1/2 88.9 13.3 12.31 18.34 0.368 9.35
3 1/2 88.9 15.5 14.63 21.79 0.449 11.4
3 1/2 88.9 15.5 14.63 21.79 0.449 11.4
4 101.6 14 12.93 19.26 0.33 8.38
4 1/2 114.3 13.75 12.24 18.23 0.271 6.88
4 1/2 114.3 16.6 14.98 22.31 0.337 8.56
4 1/2 114.3 20 18.69 27.84 0.43 10.92
5 127 16.25 14.87 22.15 0.296 7.52
5 127 19.5 17.93 26.71 0.362 9.19
5 127 19.5 17.93 26.71 0.362 9.19
5 127 25.6 24.03 35.79 0.5 12.7
5 127 25.6 24.03 35.79 0.5 12.7
  5 1/2    139.7             21.90    19.81   29.51   0.361  9.17
    5 1/2    139.7                       24.70     22.54   33.57    0.415    10.54

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