Drill Pipes
RockSmith supply quality manufactured, friction welded Drill Pipes in a range of API Regular, API I.F. and Mayhew sizes.
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Drill Pipe Sizes
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Size (inch)
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Weight
Designation
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Calculated Plain-End weight
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Outside Diam.
|
Wall Thickness
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|
Lb/ft
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kg/m
|
Inch
|
mm
|
Inch
|
mm
|
|
2-3/8
|
6.65
|
6.26
|
9.32
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2.375
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60.3 mm
|
0.280
|
7.11 mm
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2-7/8
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10.40
|
9.72
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14.48
|
2.875
|
73.0 mm
|
0.362
|
9.19 mm
|
|
3-1/2”
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9.50
|
8.81
|
13.12
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3.500
|
88.9 mm
|
0.254
|
6.45 mm
|
|
3-1/2”
|
13.30
|
12.31
|
18.34
|
3.500
|
88.9 mm
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0.368
|
9.35 mm
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|
3-1/2”
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15.50
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14.63
|
21.79
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3.500
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88.9 mm
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0.449
|
11.40 mm
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|
3-1/2”
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15.50
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14.63
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21.79
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3.500
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88.9 mm
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0.449
|
11.40 mm
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4”
|
14.00
|
12.93
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19.26
|
4.000
|
101.6 mm
|
0.330
|
8.38 mm
|
|
4-1/2”
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13.75
|
12.24
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18.23
|
4.500
|
114.3 mm
|
0.271
|
6.88 mm
|
|
4-1/2”
|
16.60
|
14.98
|
22.31
|
4.500
|
114.3 mm
|
0.337
|
8.56 mm
|
|
4-1/2”
|
20.00
|
18.69
|
27.84
|
4.500
|
114.3 mm
|
0.430
|
10.92 mm
|
|
5”
|
16.25
|
14.87
|
22.15
|
5.000
|
127.0 mm
|
0.296
|
7.52 mm
|
|
5”
|
19.50
|
17.93
|
26.71
|
5.000
|
127.0 mm
|
0.362
|
9.19 mm
|
|
5”
|
19.50
|
17.93
|
26.71
|
5.000
|
127.0 mm
|
0.362
|
9.19 mm
|
|
5”
|
25.60
|
24.03
|
35.79
|
5.000
|
127.0 mm
|
0.500
|
12.70 mm
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|
5”
|
25.60
|
24.03
|
35.79
|
5.000
|
127.0 mm
|
0.500
|
12.70 mm
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|
5-1/2”
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21.90
|
19.81
|
29.51
|
5.500
|
139.7 mm
|
0.361
|
9.17 mm
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|
5-1/2”
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24.70
|
22.54
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33.57
|
5.500
|
139.7 mm
|
0.415
|
10.54 mm
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|
6-5/8”
|
25.20
|
22.19
|
33.05
|
6.625
|
168.3 mm
|
0.330
|
8.38 mm
|
|
6-5/8”
|
27.70
|
24.21
|
36.06
|
6.625
|
168.3 mm
|
0.362
|
9.19 mm
|
|
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