Non Magnetic Compressive Drill Pipe

The Non-magnetic compressive drill pipes are made of low carbon stainless steel according to API Spec.7 and SY/T5144 . All threads are phosphated , copperized or coldworked. All Connections are equipped with pressed steel thread protectors. All threads ar
Description

The Non-magnetic compressive drill pipes are made of low carbon stainless steel according to API Spec.7 and SY/T5144 . All threads are phosphated , copperized or coldworked. All Connections are equipped with pressed steel thread protectors. All threads are machined with CNC Lathes-Double-shouldered and special threads.


 

 

OD

ID

Connection

Body

Style

OD

Inner&outer thread shoulder chamfer

upset

mm

in

mm

in

mm

in

Center area
(mm)

End area
(mm)

168.3

6 5/8

114.3

4 1/2

6 5/8 FH

209.6

8 1/4

195.7

184.2

176.21

139.7

5 1/2

92.1

3 5/8

5 1/2 FH

177.8

7

152.4

152.4

144.5

127

5

76.2

3

NC 50

168.3

6 5/8

139.7

139.7

130.2

114.3

4 1/2

71.4

2 13/16

NC 46

158.8

6 1/4

127

127

117.5

88.9

3 1/2

52.39

2  1/16

NC 38

120.7

4 3/4

101.6

101.6

92.1

73.03

2 7/8

50.8

2

NC 31

104.8

4 1/8

100.4

84.1

81