HDD Drill Pipe - Horizontal Directional Drilling Pipe for Trenchless Applications
The trenchless drilling pipe serves as the core component in horizontal directional drilling operations. Designed for underground pipeline installation in urban areas, oil/gas pipeline crossings, and other trenchless projects, these pipes offer exceptional strength and fatigue resistance.
Technical Specifications
Dimensions and Specifications
Available in metric outer diameters from 50mm to 168.28mm (including the commonly used 89mm municipal model), with wall thickness ranging from 6.0mm to 12.7mm. Single rod lengths extend up to 12 meters.
Mechanical Properties
Standard steel grades include G105 (yield strength 724 MPa) and S135 (931 MPa), with S135 grade achieving maximum tensile strength of 1138 MPa.
Torque Capacity
The 89mm drill rod delivers maximum torque of 24 kN·m, with typical municipal project requirements ranging between 6-24 kN·m.
Construction Guidelines
- Use thickened drill pipes for depths exceeding 756 meters
- Immediate replacement required for surface scratches deeper than 1mm
- Construction hole curvature radius must be smaller than the drill pipe's minimum curvature radius
Detailed Specifications
| Diameter (mm) |
Wall Thickness (in) |
Length (m) |
Weight (Kg) |
Tool Joint OD (mm) |
Thread |
Steel Grade |
Torque Limit (KN.m) |
Min.Bend Radius (m) |
| 50 |
0.256 |
2 |
17 |
53 |
ZX50 |
G |
2.9 |
38 |
| 60 |
0.28 |
2 |
23 |
68 |
ZX60 |
G |
6 |
42 |
| 73 |
0.315 |
3 |
43 |
78 |
NC23 |
G |
12 |
58 |
| 76 |
0.354 |
3 |
56 |
88 |
NC26 |
G |
14 |
62 |
| 83 |
0.354 |
3 |
57 |
92 |
D80 NC26 |
G |
16.8 |
73 |
| 89 |
0.368 |
4.5 |
99 |
105 |
NC31 |
G |
22.3 |
80 |
| 102 |
0.394 |
6 |
160 |
123 |
NC38 |
G |
38 |
90 |
| 114 |
0.394 |
6 |
162 |
127 |
NC38 NC40 |
G |
50 |
98 |
Brand Compatibility
| Brand |
Model |
Length |
Outside Diameter |
Tool Joint OD |
Wall Thickness |
Steel Grade |
| CASE |
Case6010 |
120"±0.5" |
1.9"±0.031" |
2.25*±0.16" |
0.24" |
S135 |
| VERMEER |
D10X15 |
120"±0.5" |
1.66"±0.31" |
1.88"±0.16" |
0.24" |
S135 |
| DITCH WITCH |
JT1720/1720V |
118"±0.5" |
2.063"±0.31" |
2.5" |
0.27" |
S135 |
Frequently Asked Questions
What is your delivery time?
Standard production time is approximately 20 days. In-stock items ship within 3 business days.
How do you ensure product quality?
Each drill rod undergoes rigorous quality inspections and performance testing before shipment.
Do you accept sample orders?
Yes, we encourage sample orders to evaluate our product quality before larger purchases.
Are your drill pipes heat-treated?
All pipes and casings receive professional heat treatment to enhance structural strength.
Do your drill pipes have anti-rust protection?
Each unit receives anti-rust paint or anti-corrosion oil coating. Galvanized options are available.
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