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HEAVY WEIGHT - INTEGRAL

HEAVY WEIGHT - INTEGRAL


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DESIGN FEATURES:

Integral heavy weight Drill Pipe is made from aisi 4145 Alloy Steel
and fully heat treated. Every drill pipe is fully inspected by an ultrasonic
unit (at full length and over the full section).
All physical properties conform with API Spec 7 of the latest revised
edition. The standard hard banding is on the pipe connections
and center upset.
It consists of 4 inch-wide hard metal on the pin end and the box
end and 3 inch-wide hard metal on the center upset. The hard
banding is completely flushed on either side of the connection.
The thickness of the hard banding is not more than 3.2 Mm (1/8
in.) Compared to that of the adjacent pipe surface. The thickness
may be specified by the customers.



DIMENSIONS OF STANDARD INTEGRAL HW DRILL PIPE



NOM.
SIZE

LENGTH

PIPE BODY

TOOL JOINT

WEIGHT

in.

m
ft

ID
mm
in.

WALL
THICKNESS
mm
in.

AREA
cm2
in.2

CENTER
UPSET
OD
mm
in.

CENTER
UPSET
LENGTH
mm
in.

ELEVATOR
UPSET
mm
in.

JOINT
THREAD
TYPE &
SIZE

OD
mm
in.

ID
mm
in.

PIN & BOX
LENGTH
mm
in.

kg/m
lb/ft

kg/
9.14m
lb/
30ft

3 1/2

9.3

57

16

36.3

102

610

86

NC38(3 1/21,F)

121

57

635/584

34.5

316

3 1/2

30.5

2 1/4

0.625

5.625

4

24

3 5/8

NC38(3 1/21,F)

4 3/4

2 1/4

25/23

23.2

695

4

9.3

57

16

42.8

114

610

105

NC40(41F)

133

57

635/584

40.5

370

4

30.5

2 1/4

0.625

6.627

4 1/2

24

4 1/8

NC40(41F)

5 1/4

2 1/4

25/23

27.2

815

4 1/2

9.3

57

22

64.3

127

610

117

NC46(41F)

159

57

635/584

61

558

4 1/2

30.5

2 1/4

0.875

9.965

5

24

4 5/8

NC46(41F)

6 1/4

2 1/4

25/23

41.0

1230

5

9.3

76

25.4

81

140

610

130

NC50(4 1/21 F)

171

76

635/584

70

672

5

30.5

3

1.000

12.586

5 1/2

24

5 1/8

NC50(4 1/21 F)

6 3/4

3

25/23

49.7

1491

5 1/2

9.3

89

27

95.6

152

610

144

5 1/2 FH

178

89

635/584

84.9

776

5 1/2

30.5

3 1/2

1.063

14.812

6

24

5 11/16

5 1/2 FH

7

3 1/2

25/23

57.0

1710

6 5/8

9.3

114

27

120

181

610

171

6 5/8 FH

203

114

635/584

105

1006

6 5/8

30.5

4 1/2

1.063

18.567

7 1/8

24

6 3/4

6 5/8 FH

8

4 1/2

25/23

70.8

2215

 


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