Foundation kelly bar for sany rotary drilling rig with length 9~14m
OEM/ODM | Both |
Material | Q345B /Q460D / 35CrMo With Special Heat Treatment /27SiMn |
Manufacture Process | Robot Welding ,Gas Shielded welding , Manual DC Welding |
Tailored | Round /Square |
Specification
OD(MM) | Model | Section | Tube length | Drilling depth | Torque | ¢299/305 | Friction | 3/4/5 | 9—14 | 24—65 | 110—120 | ¢340/343 | Friction | 3/4/5 | 9—14 | 24—65 | 110—120 | ¢355 | Friction | 3/4/5 | 9—14 | 24—65 | 110—120 | ¢368 | Friction | 3/4/5 | 9—14 | 24—65 | 150—180 | ¢377 | Friction | 3/4/5 | 9—14 | 24—65 | 150—180 | ¢394 | Friction | 3/4/5 | 9—15 | 24—70 | 180—200 | ¢406 | Friction | 3/4/5 | 9—15 | 24—70 | 180—200 | ¢419/426 | Friction | 3/4/5 | 9—15 | 24—70 | 220—230 | ¢440/445 | Friction | 3/4/5/6 | 9—18 | 24—85 | 220—260 | ¢470 | Friction | 3/4/5/6 | 9—18 | 24—102 | 220—260 | ¢482 | Friction | 3/4/5/6 | 9—18 | 24—102 | 220—260 | ¢508/510 | Friction | 3/4/5/6 | 9—18 | 24—102 | 260—360 | ¢530 | Friction | 3/4/5/6 | 9—20 | 32—114 | 320—400 | ¢558/560 | Friction | 3/4/5/6 | 9—24 | 32—118 | 360—420 | ¢575/580 | Friction | 3/4/5/6 | 9—24 | 32—118 | 360—420 | ¢630 | Friction | 3/4/5/6 | 9—26 | 32—150 | 400—500 | |





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