String Book - Logan Oil Tools
String Book - Logan Oil Tools
String Book - Logan Oil Tools
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tUBing maKe-Up torQUe<br />
nL AtLAS BRADFoRD IJ- SS MInIMuM MAkE-up toRQuE *<br />
o.D. Weight grade — torque (ft-lb)<br />
(in) (Ib/ft) J-55 C-75 & n-80 p- 05<br />
1.315 1.80 200 300 400<br />
1.660 2.40 400 500 600<br />
1.900 2.90 500 600 800<br />
2.063 3.40 600 800 1000<br />
4.70 1,100 1,300 1,500<br />
5.30 1,300 1,500 1,700<br />
2.375 5.95 1,500 1,700 1,900<br />
6.20 1,700 1,900 2,100<br />
7.70 2,000 2,200 2,400<br />
6.50 1,600 1,800 2,200<br />
7.90 2,200 2,600 3,000<br />
2.875 8.70 2,600 3,000 3,500<br />
9.50 3,000 3,500 4,000<br />
11.00 3,600 4,000 4,400<br />
11.65 4,000 4,500 5,000<br />
9.30 2,200 2,600 3,000<br />
10.30 2,600 3,000 3,500<br />
3.500 12.95 3,000 3,500 4,000<br />
15.80 4,000 4,500 5,000<br />
16.70 4,500 5,000 5,500<br />
11.00 2,400 2,800 3,200<br />
4.000 13.40 3,200 3,600 4,000<br />
22.50 4,000 4,000 5,000<br />
12.75 2,500 3,000 3,500<br />
13.50 3,000 3,500 4,000<br />
4.500 15.50 3,500 4,000 4,500<br />
16.90 4,000 4,500 5,000<br />
19.20 4,500 5,000 5,500<br />
21.60 5,000 5,500 6,000<br />
* Data reprinted from 1983 NL Atlas Bradford Tubular Products Catalog.<br />
6
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