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ADD: No.35, Tangyan Road, High-Tech Zone, Xi'an, China

Post Code: 710075

TEL: 0086 29 89584808

E-mail: sales@xoosc.com, info@xoosc.com

Kelly

Kelly

Hex Kelly
Material: AISI 4142H-4145H
Size: 3" - 6"
Length: 12190mm(Standard), 16460(Optional)
Square Kelly
Material: AISI 4142H-4145H
Size:2 1/2" - 5 1/4"
Length: 12190mm(Standard), 16460(Optional)

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Product Details

Kellys 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 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 kellys’ connectons are fitted with pressed steel thread protectors on both ends and each kellys would be shipped with steel scabbard for marine transportation.

 

Specification for Square Kelly

Nom   SizeLengthsTop Upset JointBottom UpsetBoreDrive SectionWeight
(ft)StandardOptional(kg)
ABLHOD   CLH   ConnectionOD   CRH   ConnectionOD   DEFGStandardOptional
(in) Connection(in)(in)(in)(in)(in)(in)
2 1/240376 5/8   Reg7 3/44 1/2   Reg5 3/4NC26
   (2 3/8 IF)
3 3/81 1/43 1/42 1/2410360
4643465420
340376 5/8   Reg7 3/44 1/2   Reg5 3/4NC31
   (2 7/8 IF)
4 1/81 3/43 7/83495450
4643560515
3 1/240
   
376 5/8   Reg7 3/44 1/2   Reg5 3/4NC38   
  (3 1/2 IF)
4 3/42 1/44 3/73 1/2600555
4643670630
5451780730
4 1/440376 5/8   Reg7 3/44 1/2   Reg5 3/4NC46(4 IF)
   or NC50
   (4 1/2 IF)

6

or 
6 3/8- 

6 1/2

2 4/55 1/24 1/4825780
4643940890
545110701040
5 1/440376 5/8   Reg7 3/4----

NC50 or   
 5 1/2 FH

or  NC56

73 1/46 3/45 1/41250--
46431430
54511670
640376 5/8   Reg7 3/4----6 5/8 FH83 1/27 5/861670--
46431920
54512250


Specification for hex kellys

Nom   SizeLengthsTop Upset JointBottom UpsetBoreDrive SectionWeight
(ft)StandardOptional(kg)
ABLHOD   CLH   ConnectionOD   CRH   ConnectionOD   DEFGStandardOptional
(in) Connection(in)(in)(in)(in)(in)(in)
340376 5/8   Reg7 3/44 1/2   Reg5 3/4NC26   
(2 3/8 IF)
3 3/81 1/43.3753450400
4643500555
3 1/240376 5/8   Reg7 3/44 1/2   Reg5 3/4

NC31

(2 7/8 IF)

4 1/81 3/43.9373 1/2580535
4643670620
5451780730
4 1/440376 5/8   Reg7 3/44 1/2   Reg5 3/4NC38
   (3 1/2 IF)
4 3/42 1/44.7814 1/4750700
4643840800
5451980940
5 1/440376 5/8   Reg7 3/4----

NC46(4 IF)
    or NC50
   (4 1/2 IF)

6 or 

6 3/8-

6 1/2

2   13/16
    or 3 1/4
5.95 1/41020--
46431170
54511350
640376 5/8   Reg7 3/4----

NC50 or   
 5 1/2 FH

or NC56

73 1/26.81261320--
46431500
54511770

 

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