| Condition: | New |
|---|---|
| Place of Origin: | China (Mainland) |
| Brand Name: | HISIN |
| Model Number: | |
| Voltage: | |
| Power(W): | |
| Weight: | |
| Dimension(L*W*H): | |
| Certification: | OHSA ISO API HSE Q1 |
| Warranty: | |
| After-sales Service Provided: | No overseas service provided |
| Size: | 2-1/2" 2-7/8" 3" 3-1/2" 4-1/4" 5-1/4" |
| Processing Type: | Forging |
| Use: | Well Drilling |
| Material: | carbon steel, AISI 4145H |
Quick Details
Specifications
Specifications
HISIN kelly pipes are made from 4145H modified alloy steel in accordance with API Spec.7-1 latest edition, which are quenched and tempered along full length. A hardness range of 285 to 341 BHN and a minimum impact value of 54 Joules as per ASTM A 370 Charpy-V, these values are guaranteed one inch below the surface. Kelly pipe bars are inspected by an ultrasonic unit over their full length and full section. The wall thickness of each flat of the drive section is verified ultrasonically. All Kelly pipe connections are fitted with pressed steel thread protectors on both ends and each Kelly pipe would be shipped with steel scabbard for marine transportation.
Nom Size | Lengths | Top Upset Joint | Bottom Upset | Bore | Drive Section | Weight | |||||||
Standard | Optional | ||||||||||||
A | B | LH | OD C | LH Connection | OD C | RH Connection | OD D | E | F | G | Standard | Optional | |
(in) | (in) | (in) | (in) | (in) | (in) | ||||||||
2 1/2 | 40 | 37 | 6 5/8 Reg | 7 3/4 | 4 1/2 Reg | 5 3/4 | NC26 | 3 3/8 | 1 1/4 | 3 1/4 | 2 1/2 | 410 | 360 |
3 | 40 | 37 | 6 5/8 Reg | 7 3/4 | 4 1/2 Reg | 5 3/4 | NC31 | 4 1/8 | 1 3/4 | 3 7/8 | 3 | 495 | 450 |
3 1/2 | 404654 | 37 | 6 5/8 Reg | 7 3/4 | 4 1/2 Reg | 5 3/4 | NC38 | 4 3/4 | 2 1/4 | 4 3/7 | 3 1/2 | 600 | 555 |
4 1/4 | 404654 | 37 | 6 5/8 Reg | 7 3/4 | 4 1/2 Reg | 5 3/4 | NC46(4 IF)orNC50(4 1/2 IF) | 6or6 3/8-6 1/2 | 2 4/5 | 5 1/2 | 4 1/4 | 825 | 780 |
5 1/4 | 40 | 37 | 6 5/8 Reg | 7 3/4 | -- | -- | NC50or | 7 | 3 1/4 | 6 3/4 | 5 1/4 | 1250 | -- |
6 | 40 | 37 | 6 5/8 Reg | 7 3/4 | -- | -- | 6 5/8 FH | 8 | 3 1/2 | 7 5/8 | 6 | 1670 | -- |