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The top drive main shaft is the core transmission component of the oil drilling top drive system (Top Drive).
Product Description:
The top drive main shaft is the core transmission component of the oil drilling top drive system (Top Drive). It is responsible for transmitting high torque, bearing the drill string weight, and withstanding dynamic loads. Its performance directly impacts drilling efficiency and equipment reliability. The product complies with API Spec 8C standards.
Material: AISI 4140, 4340, 30CrNiMo8, 4145H, etc.
Specifications: Customizable upon request.
| Material | Tensile Strength (MPa) | Yield strength (MPa) | Elongation (%) | Application Scenario |
| 30CrNiMo8 | 980-1180 | ≥835 | ≥12 |
Deep-sea drilling
|
| 4140 Mod | 860-1000 | ≥730 | ≥15 | Conventional land drilling |
| 4145H | 950-1100 | ≥800 | ≥13 | H₂S-Service |
B-2007,Chuanmei Building,Taishan Street,Taian City，Shandong, China
+86 0538 6368027
Sales@tiptopforging.com
Email :Sales@tiptopforging.com
86-538-6368027