|
|
Drill prospecting pipes and couplings for them
Dimensions, mm
Outside Diameter
D
|
Wall Thickness
s
|
Upset
|
Length
of thread
G
| Length
of thread L | Theoretical weight in kg (density 7,85) | Inside Diameter
by
butt-end
d1' | Inside Diameter
by end of upset
d1 | Length
till to
transition
part
not less
than
l1 | Length
of
transition
part
not less
than
l2 |
Nominal
|
Extreme deviation
| 1 meter length of the pipe plain part | Increase of 1 pipe mass due to the both ends upset |
42±0.45
| +0,6
5,0
-0,5 |
25
|
22
|
100
|
20
|
50
| 1500
3000
4500 |
+100
-50
|
4,56
|
0,65
| | 50±0.45 | +0,66
5,5
-0,55 |
32
|
28
|
110
|
25
|
55
| 1500
3000
4500 |
6,04
|
0,96
| | 63,5±0.65 | +0,72
6,0
-0,6 |
45
|
40
|
120
|
30
|
60
| 3000
4500
6000 |
8,51
|
1,57
|
Dimensions, mm
Outside Diameter
D
|
Outside Diameter
of coupling
Dм
|
thread inner diameter
in the coupling
butt-end (frontal) plane
dт
| Diameter
of recess d0
| Depth
of recess l0 |
Widht
of the butt-end (frontal) plane
β
| Pipe length L |
Weight
coupling
kg
|
Nominal
|
Extreme deviation
| | |
Nominal
|
Extreme deviation
|
42
| +0,9
57
-0,6 |
39,667
|
44
|
+0,5
|
3
|
+2
|
4
|
130
|
±3
|
1,4
| | 50 | +1,0 65
-0,7 |
47,667
|
52
|
+0,5
|
3
|
+2
|
4
|
140
|
±3
|
1,7
| | 63,5 | +1,2
83
-0,8 |
60,421
|
65
|
+0,5
|
5
|
+2
|
6
|
150
|
±3
|
2,9
|
|
|
|
|
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