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Condition: New
Place of Origin: China (Mainland)
Brand Name: HISIN
Model Number:
Voltage:
Power(W):
Weight:
Dimension(L*W*H):
Certification: API
Warranty:
After-sales Service Provided:

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
(in)

Lengths
(ft)

Top Upset Joint

Bottom Upset

Bore

Drive Section

Weight
(kg)

Standard

Optional

A

B

LH
Connection

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
46

37
43

6 5/8 Reg

7 3/4

4 1/2 Reg

5 3/4

NC26
(2 3/8 IF)

3 3/8

1 1/4

3 1/4

2 1/2

410
465

360
420

3

40
46

37
43

6 5/8 Reg

7 3/4

4 1/2 Reg

5 3/4

NC31
(2 7/8 IF)

4 1/8

1 3/4

3 7/8

3

495
560

450
515

3 1/2

404654

37
43
51

6 5/8 Reg

7 3/4

4 1/2 Reg

5 3/4

NC38
(3 1/2 IF)

4 3/4

2 1/4

4 3/7

3 1/2

600
670
780

555
630
730

4 1/4

404654

37
43
51

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
940
1070

780
890
1040

5 1/4

40
46
54

37
43
51

6 5/8 Reg

7 3/4

--

--

NC50or 
5 1/2 FH orNC56

7

3 1/4

6 3/4

5 1/4

1250
1430
1670

--

6

40
46
54

37
43
51

6 5/8 Reg

7 3/4

--

--

6 5/8 FH

8

3 1/2

7 5/8

6

1670
1920
2250

--