Categories | DTH Pipe |
---|---|
Brand Name: | SUPER DRILL |
Model Number: | API 2 3/8"/2-7/8"/3-1/2"/4 1/2" Reg |
Certification: | CE ISO9001 |
Place of Origin: | CHINA |
MOQ: | 1 |
Price: | US$15 |
Payment Terms: | Western Union, L/C, T/T |
Supply Ability: | 1000 Piece/Pieces per Month |
Packaging Details: | Wooden case packing |
Model number: | DTH drill rod |
Type: | Drill Pipe |
Machine Type: | Drilling Tool |
Material: | High Manganese Steel |
Processing Type: | Forging |
Use: | Ore Mining |
Thickness: | 6.45~12.7mm |
Outer diameter: | 76 - 127 mm |
Length: | 3-10m |
General introduction:
Drill pipes that are used in applications such as DTH/ DTHR/ DR
basically comprise of a steel
tube with a pin at one end and a box on the other. The job of the
drill pipe is to transmit rotational torque and thrust from the
drill rig rotary head to down hole drilling tools.
DTH drill tubes are used for connecting DTH hammer and DTH button
bits; they are made from seamless tubes. Tubes play a significant
role in all DTH drilling, regardless of application, rock type,
hole depth or drill rig. The key features of a high quality DTH
tube are durability, accuracy and manageability. According to
different application, different diameters of drill tubes are
needed, basically, smaller DTH hammers need smaller DTH drill
tubes, vice avers. Usually we are offering 50mm, 60mm, 76mm, 89mm,
etc. ALL DTH drill tubes are friction welded, and usually the
threads are standard API connections,like23/8" API REG thread, 3
1/2" API REG thread or API IF thread, etc. According to customers
request, from 1000mm to 5000mm length of tubes are available.
Product features:
According to different application, different diameters of drill tubes are needed, basically, smaller DTH hammers need smaller DTH drill tubes, vice avers. Usually we are offering 50mm, 60mm, 76mm, 89mm, etc.
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 | 0.280 | 7.11 |
2 7/8 | 73.0 | 10.4 | 9.72 | 14.48 | 0.362 | 9.19 |
3 1/2 | 88.9 | 9.50 | 8.81 | 13.12 | 0.254 | 6.45 |
3 1/2 | 88.9 | 13.30 | 12.31 | 18.34 | 0.368 | 9.35 |
3 1/2 | 88.9 | 15.50 | 14.63 | 21.79 | 0.449 | 11.40 |
3 1/2 | 88.9 | 15.50 | 14.63 | 21.79 | 0.449 | 11.40 |
4 | 101.6 | 14.00 | 12.93 | 19.26 | 0.330 | 8.38 |
4 1/2 | 114.3 | 13.75 | 12.24 | 18.23 | 0.271 | 6.88 |
4 1/2 | 114.3 | 16.60 | 14.98 | 22.31 | 0.337 | 8.56 |
4 1/2 | 114.3 | 20.00 | 18.69 | 27.84 | 0.430 | 10.92 |
5 | 127.0 | 16.25 | 14.87 | 22.15 | 0.296 | 7.52 |
5 | 127.0 | 19.50 | 17.93 | 26.71 | 0.362 | 9.19 |
5 | 127.0 | 19.50 | 17.93 | 26.71 | 0.362 | 9.19 |
5 | 127.0 | 25.60 | 24.03 | 35.79 | 0.500 | 12.70 |
5 | 127.0 | 25.60 | 24.03 | 35.79 | 0.500 | 12.70 |
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 |